- #1
jimlee4262
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1.A stone is thrown vertically upward with a speed of 11.0 m/s from the edge of a cliff 79.0 m high (Fig. 2-32).
(a) How much later does it reach the bottom of the cliff?
(b) What is its speed just before hitting?
(c) What total distance did it travel?
2.If a car rolls gently (v0 = 0) off a vertical cliff, how long does it take it to reach 74 km/h?
3.A sports car accelerates from rest to 99 km/h in 6.2 s. What is its average acceleration in m/s2?
(a) How much later does it reach the bottom of the cliff?
(b) What is its speed just before hitting?
(c) What total distance did it travel?
2.If a car rolls gently (v0 = 0) off a vertical cliff, how long does it take it to reach 74 km/h?
3.A sports car accelerates from rest to 99 km/h in 6.2 s. What is its average acceleration in m/s2?