SOLUTION: A robot probe drops a camera off the rim of a 239 m high cliff on Mars, where the free fall acceleration is -3.7m/s^2. a.Find the velocity with which the camera hits the ground.

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Question 1127484: A robot probe drops a camera off the rim of a 239 m high cliff on Mars, where the free fall acceleration is -3.7m/s^2.
a.Find the velocity with which the camera hits the ground.
b.Find the time required for it to hit the ground.
Answer by ikleyn(52799) About Me  (Show Source):
You can put this solution on YOUR website!
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A robot probe drops a camera off the rim of a 239 m high cliff on Mars, where the free fall acceleration is -3.7m/s^2.

a. Find the velocity with which the camera hits the ground.
b. Find the time required for it to hit the ground.
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I solve it as Physics problems, using formulas from Physics. 

    a) Velocity   V = sqrt%282%2Ag%2AH%29 = sqrt%282%2A3.7%2A239%29 = 42.05 m/s.



    b) From  H = %28gt%5E2%29%2F2,  the time  t = sqrt%28%282%2AH%29%2Fg%29 = sqrt%28%282%2A239%29%2F3.7%29 = 11.37 seconds.

Answered and solved.