1. A uniformly accelerated car takes 5.0 s to cover 250 m and another 3.0 s to cover the next 250 m. Find the acceleration of the car.
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Q: a) What is his velocity at 8.0 s?
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Q: 1. A train leaves the station on a 50 km commute. The train must make a 60-second stop every 1.0 km…
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Q: 4. Starting from rest, a boat increases its speed to 4.12 ml s with constant acceleration. (a) What…
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A: Acceleration of motorcycle (a) = 2 ms2Initial speed of motorcycle (u) = 0 msdistance moved (d) = 60…
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- 4. A car company claims that its car can accelerate from rest to a speed of 28.0 m/s in 20.0 s. Find the average acceleration of the car and the distance it goes in this time.A Ferrari traveling well over the posted speed limit, passes a parked Tennessee State Trooper who decided to give chase. It takes the trooper 4.6 seconds to turn on the 'blue lights' and get the 'at rest' PW5000 powered Dodge interceptor moving. Then 8.3 seconds more to accelerate to its top speed and 63 seconds more to catch up with the speeder 3.5 km down the highway from the trooper's parking spot. Determine the average speed of the Ferrari over this distance in km/hrA truck starts from rest. It accelerates for 10 s at 5.0 m/s2. Then it immediately decelerates for 2.0 s at -10 m/s2. How far does it travel, in meters?
- A load of bricks is lowered by a crane at a steady velocity of 5.0 m/s when one brick falls off 20.0 m above the ground. 9. What is its speed just before it hits the ground? 10. How long does it take to reach the ground? (Assume acceleration due to gravity is 9.81 m/s²)An object is accelerated from rest at a constant rate of 5.00 m/s2. What will be its speed after 8.00 seconds?During a walk on the Moon, an astronaut accidentally drops his camera over a cliff. It leaves his hands with zero speed, and after 2.00 s it attains a velocity of 7.00 m/s downward. How far has the camera fallen after 4.40 s? in M
- 5. Kathy tests her new sports car by racing with Stan. Both start from rest, but Kathyleaves the starting line 1.00 s after Stan does. Stan moves with a constant acceleration of 3.50m/s2, while Kathy maintains an acceleration of 4.90 m/s2.(a.) Find the time at which Kathy overtakes Stan.(b.) Find the distance Kathy travels before she catches him.(c.} Find the speeds of both cars at the instant Kathy overtakes Stan.If a car comes to a full stop over a distance of 484 m using a constant acceleration of -8.0 m/s2, then what was its initial velocity?a runner, from rest, in a 150m race accelerates uniformly for the first 23m then runs with constant velocity. If the runner's time for the first 23m is 5.4 seconds. what is:1. acceleration? 2. final velocity? 3. time on the race?