physics

posted by .

An object is dropped from a cliff and reaches a velocity of 47.5 m/s at the time of impact. a) How high is the cliff? b)How long did it take to hit the river below?

Similar Questions

1. Physics

Ball is thrown horizontally off a cliff with an initial speed of 20m/s. a) how long does it take the ball to hit the ground 20m below. b)how long would it take to hit the ground if it was dropped from the cliff?
2. Physics

A stone is dropped from the top of a cliff. It is seen to hit the ground below after 3.90 s. How high is the cliff?
3. General Physic

The time it takes for an object dropped from the top of cliff A to hit the water in the lake below is twice the time it takes for another object dropped from the top of cliff B to reach the lake. If it takes 2.30 s for the object to …
4. physics

An object is thrown straight down off of a cliff with a velocity of 18m/s. a) What is the object's velocity after 15s?
5. Physics

An object is dropped from a cliff and reaches a velocity of 47.5 m/s at the time of impact. a) How high is the cliff?
6. Physics

Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises …
7. Physics

Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises …
8. Physics

A boy wishes to throw a rock into the river below the cliff where he is standing. The cliff is 50 M high and he can throw with a horizontal velocity of 30 m/s. how long does it take for the rock to reach the water?
9. Physics

A cannon ball is fired horizontally with velocity of 15m from the top of a cliff 90m high.after how many seconds will it hit the foot of the cliff(a)time (b)at what distance from the foot of the cliff will it strike.
10. AP physics

A store is dropped from the top of a Cliff. It is seen to hit the ground below after 3.55s.How high is the cliff?

More Similar Questions