Since there is a 1 second delay (driver. TRUE. (10 pts)Gerrice is mixing nuts and cereal squares to make her famous party mix. 8 second, hits 60 mph in 2. 1 seconds, and dispatches the quarter-mile in 9. Express your answer to three significant figures and include the appropriate units. 4 = 154 N. 9,968. 11 m/s. Physics. A 3,000 pound car traveling at 70 mph has 15. 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). 7g, produces the entire braking force. 75 feet b. Compute: a) the tangential velocities at points A, B and C (ft/s); A 3000-lbm car is traveling at 60 mi/hr on the straight portion of the road (i. Keep in mind that our calculator does NOT take into account drive train loss, road and weather conditions, or the skill of the driver. The release of this energy is what causes the damages in a car crash. 5 m/s around a curve of radius 85. Try it - calculate your crash force: weight x. 2 seconds duration, and you get F to be, F = = 93870 N = 21103 lb's. 7309245 × 10-24 kg·m/s7,195. Our tests - from 100% to 0% state-of-charge (or close to 0% in some cases), at a constant speed of 70 mph (113 km/h) - reveal what we can expect from an electric car on a typical long-distance trip. Let us consider both car and truck are travelling in the straight line. 1. 3. (I converted the weight of the car to the mass of the car in Kg and all other units to SI units, then converted final force back to lb's)What is the momentum of a 2000 pound car traveling at 30 miles per hour Give the answer in metric units change pounds to kilograms miles per hour to meters per second? 2000 pounds = 907. v = velocity. Q&A. The vehicle’s wheelbase is 10 feet. A 3,000 pound car traveling at 70 mph has 15. After 65 seconds , the cars will both be traveling at 20 mph B. 160 feet d. Study with Quizlet and memorize flashcards containing terms like What is the momentum of a 2000-kg truck traveling at 35 m/s? A) 57 kgoem/s B) 3. You are given W = 3000 lbs = mass of car * g and V = 60 mph. W = F l (4) where . 5 hours. Serway, John W. 60 to the left. Just type the number of miles per hour into the box and hit the Calculate button. 1 pound-force is the gravitational force exerted by the Earth on a mass of 1 pound. Question. 41 m/s momentum = velocity * mass momentum = 13. If you input the mass in pounds and miles per hour, you will get pounds * miles^2/hour^2 out of it. It is hit from behind by Mr. The angle of refraction of a ray of light traveling into an ice cube from air is 46∘. Use a safety factor and call it 100 pounds . 15. 681818. emdjay23. 89 m/s) has the SAME MOMENTUM as a 4,000-pound (1,800 kg) sport utility vehicle traveling 40 mph (18 m/s). A 700000 g roller coaster car traveling at 70mph is stopped by a spring with a spring constant of 50,000 N/m. Before the drop, they stated that the piano weighed 700 pounds and would be dropped 50 feet above the roof. What happens if it needs to stop? To make the car stop, you need to apply the same amount of force in the opposite direction to cancel out the propelling force and make the car stop. The C. A passenger vehicle weighing 4,000 pounds, traveling under ideal conditions at a speed of 65 miles per hour would take 316 feet to stop (nearly the length of a football field). Measuring the rpm and torque of the engine indicates that the car requires 16 HP to travel at this speed. Select a wire length and use it to determine (a) the normal stress, in lb/in. Study with Quizlet and memorize flashcards containing terms like A block of iron is transported to the Moon. TRUE. Step 4:. 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. 5 * 88 * 4. A car weighs 1000lb empty and 3000lb when fully loaded. The driver of the car instantaneously steps on the gas and accelerates at 8. 429. (center of gravity) of the test vehicle is 3. Since 1 lb = 4. You may legally drive:. Enter 4,000 in the "mass" box and choose pounds from its menu. 85385 lbs/(mph) 40 newton/(km/h) to lbs/(mph) = 14. The weight of the car acts through the center of gravity (CG). A truck traveling at 75 mph consumes 27% more fuel than one going 65 mph; so limiting truck speed to 65 mph would save 2. Step 3: Choose the Crouch constant, C from the list for hydroplanes, i. 1. Assuming the direction is up, calculate the acceleration. Rolling Start, 5–60 mph: 6. Imagine this: A 60 pound unbelted child in the back seat of a car traveling at a mere 30 miles per hour is involved in a sudden collision can weigh as much as a young elephant -- about 2,700 pounds. At 70 mph, it takes 1 hour and 26 minutes to drive 100 miles. We used to own a 70 hp Honda Civic which was underpowered for our 75 mph interstate speed limit. Dividing these numbers will. In 10. 1/16 inch c. Maintain a three (3) second following distance. New answers. 7 lb, and curve resistance of 302. 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. . Then you need to know the travel time. Let the car move along the x axis before. Impact pressure would be 74,250 pounds/square foot. 22,563. ) = 17. 0 g bullet, fired horizontally at a speed of 550 m/s. The statement. Again, at 65 mph, that’s another 71 feet traveled. Find the drag force. Mass=700000g. 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. 924 Joules. . Multiply this time with 60 mph. Determine the ground reaction forces on the front and rear wheels as well as the car acceleration (use Appendix. For a fully-loaded commercial truck, the stopping distance of it running at 65 miles per hour is about 525 feet. First, we convert the weight from pounds to. Radius of the curve, r = 650 ft. 0 sec Top Gear, 30–50 mph: 3. 0 seconds it is at 10,000 ft, traveling at 3600 mph. 2 feet above the pavement and 5. Weight of the car, W = mg = 2600 pound. 5 seconds and through the quarter-mile in 11. 165949 N in no time and saves you from lengthy calculations. To find. k i l o g r a m. TRUE. 877 meters per sec. 14,520. 229. The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin theta , where W is the weight of the car and theta is the angle of the hill's grade ( theta greater than 0 for uphill travel, theta less tha; A 2600-lb car traveling downhill has a grade resistance of -130 lb. According to Newton's second law of motion, a 3,000-pound vehicle traveling at 70 miles per hour has approximately 15. or full names for units of length, area, mass, pressure, and other types. 8 km/h or 767 mph (at 20 °C / 68 °F). m e t e r / s q u a r e s e c o n d. These include the car’s weight, the efficiency of its battery, and the terrain it is driving on. The Lightning's towing capacity ranges from 5,000 pounds up to 10,000 pounds. 200 mi (1056 ft). A typical example would be a Ferrari, which might have 800 horsepower on a 3,500 pound car. Compute the total force of a head-on collision between a Ford Pickup going 75 mph and weighing 4,500 pounds (acceleration is 2. Explain what this rate of change means as it relates to braking. There is a common conception that. Get an answer. Here is a. 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. 8 million pounds of force. To calculate the kinetic energy, first convert km/h to meters per second: 40km/h = 11. A 3,000 pound car traveling at 70 mph has 15. 61 mph. 5. 3. Author: Raymond A. 2 kg 30 mph = 13. Determine the force applied to slow the car. A 1070 kg car and 3680 kg truck undergo a perfectly inelastic collision. 7753 kiloJoules. 67 G8% less efficient at 65 MPH (105 km/h) 17% less efficient at 70 MPH (113 km/h) 23% less efficient at 75 MPH (121 km/h) 28% less efficient at 80 MPH (129 km/h). This lets you compare every electric car we've tested, and also see how our tests compare to EPA estimates. 1 mile per hour = 1. 71 (in drive) works out to 100 mph!) According to the Camquest program dyno, 340 torque peak should be around 3500 rpm. If the box is displaced by 6 meters, the amount of work done on the box is. 550 m/s2. The 3000 − lb car, traveling at 60 mph, is suddenly given full throttle. Note: Since this calculator is based on statistics from listed figures, it's important that you enter the data it asks of you and not whp numbers or race-ready weight. 14,667. To calculate boat speed:. A. d. decreases. A 3,000 Pound Car Traveling At 70 Mph Has 15. com A 3,000 pound car traveling at 70 mph has 15. Let's find the de Broglie wavelength of an electron traveling at 1% of the speed of light. The Horsepower Calculator will calculate the horsepower of any vehicle instantly if you provide the total weight in pounds of the vehicle (and its occupants) and the MPH (miles per hour) that the vehicle is traveling the instant the vehicle crosses the finish line for the quarter. This is also what may injure or kill the occupants of the vehicles. Transcribed image text: 3. 8 million pounds of force to release in a crash. Even 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. Crash force is equal to your body weight multiplied by the speed of the vehicle. Question: 22. 70g after the brakes are applied. Q-Chat Created by kcgrieco Terms in this set (10) At 60 mph, on dry pavement, the vehicle-braking distance for a 3000 pound vehicle to come to a stop is a. 39 and v = −124. What is the magnitude of its momentum? A) 1. 99). If you double your speed, you will need four times the distance to stop. If you drop an object from 15 feet. write a scenario where an object has an average speed of 5. Kinetic energy is the energy released when the car slows down or. 8 million pounds of force to release in a crash. The new Wheel RPM (831 rpm) is lower than the old one (877 rpm). See Answer. 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. 3500 ft. 2% of a bicycle. 41 m/s momentum = velocity * mass momentum = 13. At a speed of 70 mph, the motorcycle will have travelled. 2. 25 225 306. Lastly, don’t forget that when you read the 60-0mph figures in literature for new cars, the automaker is giving you only the braking distance, not the overall stopping distance. But on average, an electric car can travel quite a distance at 70 mph. Assuming the direction is up, calculate the acceleration. Along with values, enter the known units of measure for each and this. This reasoning applies to both passenger vehicles and semi-trucks. 40 mph (1609 meters/ 1 mile)(1 hour/3600 sec. 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. 10,000. Note that Newtons is a measure of force, whereas pounds is a measure of mass. The car can be modeled as a SDOF with a stiffness of 30,000 lb/ft and a damping ratio of. The Relative Speeds of the Vehicles. Get the Correct ANSWER. What is the kinetic energy of a 3000lb. Case 1. 8 million pounds of force to release in a crash. 8 million pounds of force. Can you survive a 30 mph. 2v − 500 = 0, giving v = 80. 8 million pounds of force to release in a crash. A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. 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. 7 feet per second. Log in for more information. c. b. Jewett. Even at 70 mph, your. From table (2. Your trailer could be too wide -- as maximum width narrows by a six inches (15 centimeters) -- and you could suddenly need trailer brakes -- because the weight limit falls 1000 pounds [source. The Momentum Calculator uses the formula p=mv, or momentum (p) is equal to mass (m) times velocity (v). 14275. If the car's speed doubles, how much. 8 meters per second per second. Brenes is controlling. Question. The suspension system provides a stiffness of k = 2500 lb/in and a 50% damping ratio. 50 m/s begins to accelerate forward uniformly at 0. A 60-kg student traveling in a car with a constant velocity has a kinetic energy of 1. Updated 9/24/2021 7:16:49 PM. At noon, when car A reaches the intersection, car B is 90 miles away, and moving toward the intersection. how far. 25Determine the average rate of change in braking distance, in ft/mph, between one car traveling at 50 mph and onetraveling at 70 mph. from. In our 70 mph highway range test, we were. 8 million pounds of forward-moving force to release in the event of a collision. 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. 2 kg momentum = 12166 kg*m/s. If the vehicle deceleration rate is 20 fpsps (rather than the previously calculated 15 fps), then stopping time = 88/20 = 4. 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. 5 feet to the rear of the front axle. E n e r g y Ultra. How much force does a 3000 pound car traveling 70 mph have? How much force at 70mph? How much kinetic energy does a car have? How do you find the speed of a car. 160 feet d. 88 mph The predecessor to the Thrust SSC, the Thrust 2 held the speed record from 1982 to 1997. 2000 pounds = 907. Therefore there are 224. It is moving at 0. f. 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. The Change In Force. A 3-unit increase in horsepower per 100 pounds of vehicle weight was associated with a 38 percent increase in the likelihood of a vehicle exceeding the speed limit by more than 10 mph, a 7. I know it seems weird, but don't include the weight of the driver either. ) TRUE B. 44, weighing 3000 lb tows a single axle two-wheel trailer weighing 1500 lb at 60 mph. Where: p = momentum. Download and Print Car Acceleration Chart . 2 seconds duration, and you get F to be, F = = 93870 N = 21103 lb's. a = 2 ds / dt 2 (2). Calculate the speed of a racing hydroplane having an engine that delivers 3000 hp and displaces 6800 pounds of water. The 30 km/h car, Suppose a moving car has 3000 J of kinetic energy. 0 ft/s^2 and catches the truck in 0. Log in for more information. How fast was the car traveling when the tr; A car's speed is 245. mg is the weight of the car. 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. An 2000 lb car is traveling at an elevation of 5000ft (p = 0. b. 05 m/s. Before the car over taking. Determine the ground reaction forces on the front and rear wheels as well as the car acceleration (use Appendix A. m. Obviously actual stopping distances will vary considerably depending on condition of the road and car as well as the alertness of the driver. 3 Joules or 135. Choices: a. ), enter the. 2v + v2/20. 210 Joules d. 9 seconds at 117 mph—numbers that are almost dead-on with the new M2's. A 3,000 pound car traveling at 70 mph has 15. 125 hp for every pound of car. 70 miles/min: 43 mph: 0. 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 requiredAny average-sized vehicle can easily weigh over 3,000 pounds. Step vans (delivery trucks) and 15-passenger vans _____. To cruise at 70 mpg (in second) I would need a little over 3500 rpm, which might get a little noisy. 28. 8 km/h or 767 mph (at 20 °C / 68 °F). About Quizlet; How Quizlet works; Careers; Advertise. 11) 2 / 2 = 135775. Updated 9/24/2021 7:16:49 PM. In the field Transmission ratio, enter your (already computed) transmission ratio (3. 55 mph: 0. These values represent the distance fallen over that second. Find the angle of the grade to the. A car is traveling up a 2% grade at 70 mi/h on good, wet pavement. Ford promises EPA ratings of 230 and 300 miles, but towing and hauling near the claimed 10,000-pound maximum is going to seriously cut into those figures. 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. 8 million pounds of force to release in a crash. We need to convert miles per hour into meters per second as this formula, KE = 1/2mV^2, needs to use meters per second. Taking into account the driver's weight (let's use Lewis Hamilton, who. Example 2: A ball which weighs 500 grams has a kinetic energy of 500 J. 30 newton/(km/h) to lbs/(mph) = 10. 4 = 193. If the box is displaced by 6 meters, the amount of work done on the box is. 8 million pounds. A 3,000 pound car traveling at 70 mph has about 15. A fatal car accident is practically inevitable at speeds of 70 mph or more. Average reaction time distance at 50 mph would be approximately 83 feet. Despite the fact that this can range from $9. A three thousand-pound car traveling at 70 mph has 15. 10 miles per hour = 14. So, we write this total time two-ways travel equation + = 6. 12 A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. This calculator computes the estimated engine or motor horsepower from the elapsed time. Say, a car going 60 MPH. 4667 feet per second. The velocity in miles per hour is equal to the distance in miles divided by time in hours. 1) 0 →30 mph 2) 30 60 h A car starts from rest and accelerates to 30 mph. Expert-verified. G. Miles per hour can be expressed using the formula: v mph = d mi / t hr. 5 s. Elizabeth left first traveling at 55 mph. (center of gravity) of the test vehicle is 3. According to a post on CDL Life News, an online trucking resource site:. F =. Time (in seconds) Calculate. 08975 lbs/(mph). Sound moves through the air at a speed of around 343 meters per second, which is 1234. 4 newtons, thus 35 lb = 35 x 4. 12 A car weighing 3000 lb, traveling at 60 mph, decelerates at 0. How do you determine how hard something hits the ground? Multiply the height by the object’s acceleration due to gravity. Brakes are required to comply with performance requirements. Along with values, enter the known units of measure for. Log in for more information. See page 61). 10 sec. The force of impact is what can kill in a motor vehicle collision. Miles per hour (MPH) is a measure of speed, not power. 181 seconds. Meanwhile, a 3000-lb car B is traveling at 6 ft/s to the left. If you hold your child while riding in a vehicle, you could crush the child during a crash. Speed: Thinking . The average car driving at 20 mph will travel 20 feet before coming to a complete stop, however a car travelling at 40 mph will take 80 ft to come to a stop – that’s why it’s SO important not to exceed the speed limit. 3751, have a 1,000-pound car, and have 94 hp. a. 1. In second gear I would be cruising at a lower 60 mph at 3000 rpm. How long does the trip take to the driver of the car? A truck traveling at 60. 06 s. It makes sense: The faster a vehicle is traveling, the longer it will take to stop. 8 million pounds of force to release in a crash. 25 100 156. 4 = 193. An automobile, weighing 1000 lb empty and 3000 Ib fully loaded, vibrates in a vertical direction while traveling at 55 mph on a rough road having a sinusoidal waveform with an amplitude Y ft and a period 12 ft. We need to convert miles per hour into meters per second as this formula, KE = 1/2mV^2, needs to use meters per second. This calculator makes use of the formula: (2) H P = W e i g h t ( E T ÷ 5. 1 m/s), DV is the change in speed (10 mph is 4. Any vehicle with 3 or more axles or weighing more than 4,000 pounds. m c. 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. a. After driving through heavy rain or deep puddles, you should always check for _____. 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. And it's draining the velocity of 45 mph. What is the mass of a bullet traveling at 1,150 feet per second with an energy. 2 pounds in a kilogram. What is the kinetic energy of a 3000-lb car traveling at 60 mph? (Remember that pounds are not units of mass.