5 * 88 * 4. This reasoning applies to both passenger vehicles and semi-trucks. 2 104 J. Simplified Car Model. 44, weighing 3000 lb tows a single axle two-wheel trailer weighing 1500 lb at 60 mph. Step 1 of 4. (More power would be needed, obviously, if you were carrying a door on top of your car, with the flat side perpendicular to the line of travel. For example, if your automobile gets 30 miles per gallon at 55 mph, the fuel consumption is 21 miles per gallon at 70 mph. A three thousand-pound car traveling at 70 mph has 15. 8 m/s 2. How do you determine how hard something hits the ground? Multiply the height by the object’s acceleration due to gravity. Car #1 with a 3000-pound weight is moving at 70 mph; car #2, a mini that weighs only 1000 pounds is moving at a pathetic and illegal 30 miles per hour. At this speed it has to make up the distance of 120 miles. Assuming your spotlight and support is 1 square foot in exposed frontal area, that's only about 40 pounds of force. How long does it take a car traveling 55 mph to stop? Total stopping distance; traveling at 55 mph, it will take about 6 seconds to stop your vehicle. Expert-verified. To calculate boat speed:. 1. 550 m/s2. 4 = 154 N. Reaction time is also three-quarters of a second. A typical tractor-trailer or other large truck can weigh as much as 80,000 pounds by law. How far does the car travel in slowing to a stop? How many seconds does it take for the car to stop? The car we'll use is the Mercedes W10 Formula One car, with a peak horsepower of around 975 hp and a weight of 1638 lb (743 kg). How many feet per second are in a mile per hour? Use this easy and mobile-friendly calculator to convert between miles per hour and feet per second. Question: (4) A 3000 lb car is traveling at a speed of 25 mph on a level circular track shown when the driver applies the brake. Then, apply the avg speed formula to get 120 miles / 2 hours = 60 mph (miles per hour). 210 Joules d. About us. 100% (37 ratings) for this solution. 92 miles/min: 56 mph: 0. 3751, have a 1,000-pound car, and have 94 hp. Expert-verified. At a speed of 70 mph, the motorcycle will have travelled. At what speed should you make a 525-mile trip: (a) If gas costs $3 per gallon and your time is worth $18/hr? (b) If gas costs $4 per gallon and your time is worth $12/hr?A normal passenger car traveling at a speed of 65 miles per hour would require about 300 feet to stop. Therefore, your quarter-mile elapsed time for a 500-pound car with 85 horsepower and a constant of 5. 7 feet per second. 2 mph each second. 2 percent increase in mean vehicle speed, IIHS found. In the field RPM, the calculator will tell you your new RPM at 60 mph in 3rd gear (3318 rpm). Find the drag force B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required Any average-sized vehicle can easily weigh over 3,000 pounds. A. Quick List: Best 60-70 MPH Electric Scooters. The number of RPMs your car should be at depends on its speed. 0 sec Top Gear, 30–50 mph: 3. 0006 lbf, estimate how many dragonflies must have hit the truck if it slows down by 2 mph on impact. A car, shown in Figure P1. The travel time calculator exactly as you see it above is 100% free for you to use. 99). Express your answer to three significant figures and include the. False. 50 m/s begins to accelerate forward uniformly at 0. ; 9049. This rich Internet app uses the quarter-mile distance or 400-meter track. 9,900. A car is traveling on a paved road with CD = 0. The average risk of death for a pedestrian reaches 10% at an impact speed of 23 mph, 25% at 32 mph, 50% at 42 mph, 75% at 50 mph, and 90% at 58 mph. Or, your body, unrestrained in the vehicle, could hit the windshield with about 16,000 foot. Compute the force of a small car that is traveling at 60 mph, with an average acceleration of 3 m/s 2, and that weighs about 2,900 pounds. pounds. Solve the following problem by setting up an appropriate equation: Two cars, each traveling at a constant speed one 60 mph and the other 70 mph start at the same time from the same point traveling in the same direction. 1/12 inch. 4667 feet per second. We need force in newtons. . Calculate an estimated 0-60 mph time by entering horsepower, curb weight, drive type, and transmission. Also, trailers cannot travel faster than 70 mph on rural interstates. Step 4:. 00°How MPH Is Calculated. 002045 slugs/ 3 ) on a concrete surface. 7 feet per second. 1/32 inch b. 8 million pounds of force to release in an impact. Most passenger vehicles are about 3,000 – 4,000 pounds. v is the speed of the car. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. To solve, multiply both sides by 420. Example 2: A ball which weighs 500 grams has a kinetic energy of 500 J. At 55 mph, it only takes _____ of water for tires to lose contact with the road. High Performance Bass Fishing Boat Speed Calculator. The statement. To reduce wear and tear to the engine and ensure you get maximum fuel efficiency, it’s best to stay in the 2000-3000 RPM range when driving on a highway at 60-70 mph. Cars currently are allowed to travel at 70 mph and the bill would let trucks also go 70 mph instead of the current 65 mph. New answers. Hence, this is the required solution. The road surface is approximated as sinusoidal with amplitude Y= 5 in and wave length 1 = 6 ft. 1 inch, _____ reduces traction even more. 70 g. The Tesla Model 3 dual motor, long-range is EPA-rated at 322 miles per charge and is one of the most efficient EVs available today. 5 sec = 594,000 ft. 08975 lbs/(mph). Okay in this question you asked, calculate the kinetic energy of a car that is away £3,000. TRUE. 0 ft/s^2 and catches the truck in 0. 88 mph The predecessor to the Thrust SSC, the Thrust 2 held the speed record from 1982 to 1997. Search for an answer or ask Weegy. Nine feet in front of you is a 75,000 lbf semi that is going 65 mph. The C. Most passenger vehicles are about 3,000 – 4,000 pounds. 70 to the rightEven if both vehicles are traveling 30 mph, with the same mass, and have a heaad-on collision, the is close to the same as one vehicle traveling 10 mph and hitting the other vehicle going 70 mph. The FBD is already given. An 80,000 pound big rig traveling 2 mph or a 4,000 pound SUV traveling 40 mph? and more. b. Example #2. 0 ˛ 105 kgoem/s, A 1200-kg ferryboat is moving south at 20 m/s. At noon, when car A reaches the intersection, car B is 90 miles away, and moving toward the intersection. by how much does the spring…. Miles. TRUE. The 3000−lb car, traveling at 60mph, is suddenly given full throttle. 25Determine the average rate of change in braking distance, in ft/mph, between one car traveling at 50 mph and onetraveling at 70 mph. You can adjust your RPMs by changing gears or pressing on the gas pedal more firmly. speed. 1 seconds, but it’s an impressive tow vehicle, too. Car A is traveling at a speed of 61 mph and is increasing its speed 0. 2,096 ft-lb. Here is another example. 8. 1 millisievert to microsievert? How many horizontal faces does a cube have? Which of the steps come. 6 * 60 = 2 ds/dt. 200 mi (1056 ft). Tap your brakes to alert a driver behind to alert any rear end collision. How fast was the car traveling when the tr; A car's speed is 245. 7 ˛ 10-3 kgoem/s B) 6. The specific formula for converting MPH to G force is: G Force = Speed (MPH) / 0. This means that instead of 1. 15. Speed of the car, v = 40 mph. Honk the horn, if necessary, to get the other driver's attention. 11 m/s. Determine the maximum deceleration the car can have to stay on the circular path if the total friction force from all tires is limited to 2400 lb. B) if this same car goes up a 6% grade at 60 mph, and the drag is the same, find the power of the engine required. The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v). How much force does a 3000 pound car traveling 70 mph have? According to Newton's second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. = crash force. A) 30 mph B) 75 mph C) 45 mph D) 55 mph Q3) On this dangerous road (aka I-91) there is yet another collision, almost the same as the previous one. According to Newton's second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. 2 , and (b) the work done in stretching the wire, in ft # lb. How do you determine how hard something hits the ground? Multiply the height by the object’s acceleration due to gravity. Kinetic energy is given by the formula KE = 1/2, where m is mass and v is velocity. 8 million pounds of force to release in an impact so the answer is 1508 million pounds of force. 2,096 ft-lb c. The calculator uses the standard formula from Newtonian physics to figure out how long before the falling object goes splat: The force of gravity, g = 9. If the same log hits a small car C. Study with Quizlet and memorize flashcards containing terms like A block of iron is transported to the Moon. Then you can figure the HP it takes to maintain 70 mph. Taking into account the driver's weight (let's use Lewis Hamilton, who. This calculator computes the estimated engine or motor horsepower from the elapsed time. From table (2. 12 A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. Your car gets 29 miles per gallon (mpg) at 60 miles per hour (mph) and 25 mpg at 70 mph. A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. In this case, this works out to be . First, we convert the weight from pounds to. So, we write this total time two-ways travel equation + = 6. The behavioral perspective views the behavior itself as the problem. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. 25 25 56. 28. So, if you’re driving at 65 mph, your vehicle will travel 71 feet before you realize you need to start braking. At the end of the second the personA large, blunt roof-top cargo box, for example, can reduce fuel economy by around 2% to 8% in city driving, 6% to 17% on the highway, and 10% to 25% at Interstate speeds (65 mph to 75 mph). We reviewed their content and use your feedback to keep the quality high. An 80,000 lb semitruck A (the maximum weight allowed in many state) is traveling at 70 mph when it encounters a swarm of mosquitoes B. When being driven at a speed of 20 mph, a. What is the fastest acceleration a human can survive? A typical person can handle about 5 g 0 (49 m/s 2) (meaning some people might pass out. 3 feet per second. 75 miles/min: 46 mph: 0. A rocket blasts off. 41 m/s * 907. 5 ˛ 104 kgoem/s C) 7. For example, if a large boat has a 3000hp motor and displaces 7000 pounds of water, you would divide 3000 by 7000 and get 0. Sarah is a. KE. The swarm is traveling at 1 mph in the opposite direction of the truck. Spring constant =50000 N/m. For a fully-loaded commercial truck, the stopping distance of it running at 65 miles per hour is about 525 feet. 14275. To find out, we made a 500-mile round trip in a 2008 Toyota Prius, driving the outward leg at 70 mph, and the return leg at 60 mph to see just how different our gas mileage would be. Ice b. 60 to the right. Keep in mind that our calculator does NOT take into account drive train loss, road and weather conditions, or the skill of the driver. Question. The impact occurs in 0. , find the deceleration of the car. So, if your car only makes 180 HP, you won't be able to get to 150 MPH. 2 kg momentum = 12166 kg*m/s. 2 kg 30 mph = 13. F =. Who are the experts? Experts are tested by Chegg as specialists in their subject area. 5 seconds and through the quarter-mile in 11. You slam on your brakes that have a braking force of 2000 lbf. How far does the car travel in slowing to a stop? How many seconds does it take for the car to stop First we convert the values in ft per second and ft per second2. A passenger wearing a stretching-style seat belt _ meant to extend the time it takes the person to slow _ during a 30 mph crash is briefly exposed to 20 Gs (or about 3,200 pounds of force on the. The amount of distance you need to stop the car increases with speed. 11) 2 / 2 = 135775. (5 pts. The amount of downforce is amazing — once the car is traveling at 200 mph (322 kph),. Write the expression to calculate the air resistance: Here, is the air resistance force, is the density of air at sea level, is the drag coefficient, is the cross-sectional area, is the vehicle speed, and is the acceleration due to gravity. If your car seems to be operating at a higher RPM in such a scenario, it’s better to head to an auto shop and check the engine. 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). Asked 9/24/2021 6:27:57 PM Updated 9/24/2021 7:16:49 PM 1 Answer/Comment s Get an answer Search for an answer or ask Weegy. 11. Maintain a three (3) second following distance. 7 % (a) For all collisions where no external forces are involved, the linear momentum vec p = m cdot vec v is conserved. By determining average speed, you can assume that your speed is constant and multiply it with the traveling time to know the distance covered. 2:10 minus 10 minutes leaves 2 hours of travel time. 6 feet, plus a reaction time of either 88 feet for a second delay in reaction time, or 176 feet for two seconds reaction time. 405,838 ft-lb. Time (in seconds) Calculate. Now if a car hit you on. 70 mph: 70 feet: 245 feet: 315 feet (USA = “Touchdown !”) 80 mph: 80 feet: 320 feet. The horsepower required. If you're traveling at 70 miles per hour your car is moving to add what per second? Updated: 12/16/2022. d. Where: p = momentum. Asked 9/24/2021 6:27:57 PM. Still. If the car is traveling at 70 mph and has a. Expert answer from Brainly : If a 3,000-pound car traveling at 70 mph then it has 15. A 3,000 pound car traveling at 70 MPH has 15. ∙ 9y ago. Before you get a chance to pass, the semi slams on its brakes that have a braking force of 30,000 lbf. A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. If the car is traveling at 70 mph and has a C_D = 0. 0 m? Example : Spinning in a Circle An energetic father places his 20 kg child in a 5. 100 feet c. 06 s. such as top rounded corners, etc. Example 2: A ball which weighs 500 grams has a kinetic energy of 500 J. If you double your speed, you will need four times the distance to stop. Use this calculator to determine the force exerted on an object given its mass and acceleration. Later, it gets on a highway and accelerates to 60 mph Which takes more 2) 30 →60 mph 3) both the same accelerates to 60 mph. ) FALSE . Average reaction time distance at 50 mph would be approximately 83 feet. 600 kg. Within 200 feet when traveling at a speed of 20 mph. We see that the speed corresponding to a braking distance of 500 ft is approximately 80 mph. If the same log hits a small car C weighing 3000 lb and. The force at impact is what can kill. a = mi/h2-150 S. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29. Tank trucks marked with hazardous. The Change In Force. 7753 kiloJoules. A vehicle weighing 3000 pounds and moving at a speed of 60 miles per hour possesses roughly 494,271 Joules of kinetic energy. 40 and A_f = 20 ft^2 and the available tractive effort is 255 lb, what is the maximum grade that this car could ascend and still maintain the 70mph speed?A car going 100 mph therefore has more than twice as much kinetic energy as a car going 70. 3 second, despite the latter. The calculator can use any two of the values to calculate the third. 8 million pounds of force to release in a crash. 8 billion gals. vehicle braking distance. WHEELBASE: 94. 1 Hour The car and truck are moving with uniform velocities. 41 m/s momentum = velocity * mass momentum = 13. A. 229. 825 is 10. False. Expert Answer. If your car seems to be operating at a higher RPM in such a scenario, it’s better to head to an auto shop and check the engine. If that forward-moving force comes to a sudden stop during an accident, then any. emdjay23. ) Show transcribed image text. When a car crashes, the impact can create a tremendous amount of energy, equal to 15. Elapsed time is a vehicle's duration to complete a run in a competition. 6 m/s, and so on. A 1070 kg car and 3680 kg truck undergo a perfectly inelastic collision. the acceleration of the object. 15) A 100-kg box is pushed with a force of 35 lb. Assume that the brakes are not applied during a collision. Of course. C/D. At InsideEVs, we drive every EV at a constant 70 mph until the battery dies. To calculate the kinetic energy, first convert km/h to meters per second: 40km/h = 11. In a staged skid test, a 3000 -pound automobile traveling 40 mph brakes to a stop in 70 feet on a level surface (with all tires braking). The acceleration due to gravity is 32. increases. These values represent the distance fallen over that second. If the box is displaced by 6 meters, the amount of work done on the box is. This chart is a good cheat sheet for time, speed, distance calculations for how fast a vehicle is going per second. Math Statistics and Probability The statement "a 3,000 pound car traveling at 70 mph has 15. a. Sports & Hobbies. Before the collision, the car was traveling southward at 1. Let the velocity of car be v_c=70 miles/hr. Rating. 1. mg is the weight of the car. This is further explained below. BMW’s rear-wheel-drive X5 sDrive40i is also rated to. 3. 5 m/s 2) and the car in question #4. 160 feet d. Within 50 feet when traveling at a speed of 20 mph. A 3000-lb car traveling with a speed of 30 noh strikes an obstruction and is brought to rest in 0. 200 mi (1056 ft). . Since there is a 1 second delay (driver. See Answer. We would like to show you a description here but the site won’t allow us. A) a 3,000- lb car engine develops a useful output power of 40 hp when traveling at 60 mph (88 ft/s) on a level road. While traveling north on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. 7 seconds to travel a mile - this data might be useful for storm-hunters to determine the lighting distance. It vibrates in a vertical direction while traveling at 55mph on a rough road having a sinusoidal waveform with an amplitude Y ft and a wavelength of 12ft. Distance/speed=Time or Time*Speed=Distance. 002378 slugs/ft3. A 3,000 pound vehicle traveling at 60 mph will require about 300 to 500 feet to stop. F = 640 pounds. As a general rule, for every mile per hour over 55, you lose 2% in fuel economy. Let's find the de Broglie wavelength of an electron traveling at 1% of the speed of light. 5 MILLION foot-pounds of force. The car. Unlock. Question. SEE MORE TEXTBOOKS. 61 mph. 5 mph each second. I know it seems weird, but don't include the weight of the driver either. Note: The results you obtain from these calculators are just guestimations, though. e. 70 g after the brakes are applied. a. of diesel fuel over a decade. Brenes is controlling. 8 m/s^2 for SI units. The traffic is traveling at 70 MPH. At 50mph it's around 13 car lengths. Which takes more energy, the 0→30 mph, or the 30→60 mph? The change in KE (1/2 mv2) involves the velocityvelocity squared squared. Even at 70 mph, your. "is false. A 3,000 pound car traveling at 70 mph has 15. Or, if you want to estimate travel times for speeds greater than 200 (jet, future commuter rail, Amtrak, high speed trains, etc. . Speed: Thinking . We all know that a car going 60 MPH is traveling at one mile per minute. Armor Penetration Calculator. Power-to-weight ratio (PWR) formula. 0 feet per second. 2300 lb's 1043 kg (mass of car) 40 mph 18 m/s (mps) (velocity of car) We can just estimate t to be . Assuming that the log does not significantly damage the truck, and sticks to the truck, the truck slows down by 2 mph on collision. Right before impact, the piano would be traveling at 38 mph and have an impact force of. For what it's worth, at 100 mph, the pressure is 25 psf (pounds per square foot) on a cylindrical surface , and about 40 psf on a flat surface. The Impact. The average weight of a car is about 2 tons (4,000 pounds), but the average weight of a semi-truck is around 40 tons (80,000 pounds). A 3,000 Pound Car Traveling At 70 Mph Has 15. interstates are between 55 and 85 mph, with 55 mph being the speed limit in metro areas in many states and 85 mph being the outlier in Texas. If the car's speed doubles, how much. Nuts sell for $5 a pound and cereal squares sell for $3 a pound. In 2012, Austrian Felix. 100% (1 rating) Transcribed image text: Problem 2: The car A has weight of 3000 lb and is traveling to right at 5 ft/s. Find step-by-step Engineering solutions and your answer to the following textbook question: Consider a 3000 lb car whose speed is increased by 30 mph. Explanation: When a car is traveling at 70 mph, it covers a significant distance before it can come to a full stop. If you drive faster than other vehicles on a road with one lane in each direction and continually pass the other cars, you will:. 0%. 77 miles/min: 47 mph: 0. 8 three times the speed of a vehicle will mean the vehicle will have ___ times. 521. 4 newtons, thus 35 lb = 35 x 4. If the car and truck traveled a total of 330 miles, for how many hours did the car and truck travel altogether?Speed limits in some places are still going up. A 3000 pound car traveling at 70 mph has 15. Now work = 154 x 6 = 924 J. It would take less than a half hour to travel 30 miles at 70 miles per hour. When you are emotionally distressed, you should talk to someone you trust and get some perspective on your problems. Average speed is more accurate to be used to count the time taken for travel because it is count by averaging the minim and maximum speed. is a small, private company specializing in non-dairy ice cream treats. You may legally drive:. Get an answer. By the time you move your foot from the accelerator to the brake, three-quarters of a second have passed. F=ma. A typical example would be a Ferrari, which might have 800 horsepower on a 3,500 pound car. A car that is initially moving at 7. S. (10 pts)Gerrice is mixing nuts and cereal squares to make her famous party mix. A car with weight 3000 lb traveling at 30 mph rounds a corner on an unbanked road with radius 100 ft. A 3,000-pound vehicle traveling at 60 mph will require about 300-500 feet to stop A 3,000 pound car traveling at 70 mph has ___ million pounds of force to release in an impact Solution 1 If a 3,000-pound car traveling at 70 mph then it has 15.