A car slows down from 32 m/s to a stop in 12 sec. How far did the car travel in the negative acceleration?
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A car slows down from 32 m/s to a stop in 12 sec. How far did the car travel in the negative acceleration?
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- A motorist traveling at 25.0 m/s passes a stationary police car. The police car gives chase 7.0 s later, accelerating at 3.0 m/s. How long (in seconds) after giving chase will the police car catch the motorist?A VW Beetle goes from 0 to 42.0 mi/h with an acceleration of +2.35 m/s2. (a) How much time does it take for the Beetle to reach this speed? (b) A top-fuel dragster can go from 0 to 42.0 mi/h in 0.750 s. Find the acceleration (in m/s2) of the dragster.A motorcycle has a constant acceleration of 4.41 m/s2. Both the velocity and acceleration of the motorcycle point in the same direction. How much time, in seconds, is required for the motorcycle to change its speed from 46.2 to 56.2 m/s?
- A baseball pitcher delivers a fast ball. During the throw, the speed of the ball increases from 0 to 30.0 m/s over a time of 0.100 seconds. The average acceleration of the baseball is m/s?.A car traveling at 16.8 m/s is 20.7 m from a barrier when the driver slams on the brakes. The car hits the barrier 2.54 s later. What was the acceleration of the car? Be careful to get the sign correct! Express your answer in m/s? to 3 significant figures.A car is traveling at 28.0 m/s when the driver suddenly applies the brakes, giving the car a constant deceleration. The car comes to a stop in a distance of 120.0 m. How fast was the car moving when it was 60.0 m past the point where the brakes were applied?
- A police car waits in hiding slightly off the highway. A speeding car is spotted by the police car doing 40 m/s. At the instant the speeding car passes the police car, the police car accelerates from rest at 4 m/s² to catch the speeding car. How long does it take the police car to catch the speeding car?How long does it take to accelerate from 8.0 m/s to 20.0 m/s at a rate of acceleration of 3.0 m/s2?A blue car travels down a straight road at a constant speed of 19.1 m/s. As they pass a red car, initially stopped on the side of the road, the red car speeds up at a rate of 2.02 m/s2. How much distance (in m) does the red car travel before it overtakes the blue car?