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6 fJJDPJJAdvanced Physics Ap 2 rev 3
1. A car can accelerate from 12 m/s to 25 m/s om 5.0 s. a) What was its acceleration? B) How far did it travel?
2. A car decelerates from 25 m/s to rest in 120 m. What is its acceleration?
3. A jt liner must reach a speed of 80 m/s for takeoff. If the runway is 1500 m long, what acceleration will be needed?
4. A car decelerates from a speed of 30.0 m/s to rest in 6.00s. How far did it travel?
5. In coming to a stop a car leaves skid marks for 320 m. Assuming a deceleration of 10.0 m/s2 what was the speed of the car before hitting the brakes?
6. A car traveling at 90.0 km/hr decelerates at 1.60 m/s2. a) What distance does the car travel before stopping? B) How long does it take to stop? C) What distance does it travel during the 1st and 3rd second?
7. A stone is thrown upward at 20.0 m/s. a) How fast is it moving at a height of 16.0 m? b) How long does it take to reach that height? C) Why can there be two answers?
8. A stone is thrown upward at 20.0 m/s from the top of a cliff that is 65.0 m high. A) How long does it take to reach the bottom of the cliff? b) What velocity will it have as it hits the ground? C) What total distance did the stone travel?
9. A bullet leaves at 1.20 m gun barrel at 1250 ft/s. a) What acceleration does the bullet experience in the barrel?b) if the gun is aimed on the horizontal what distance does the bullet travel before it hits the ground if the gun is 1.44 m of the ground? (assume the bullet travels at a constant velocity in the air)
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