Question1if you drop a rock from a height of 71 m it

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Reference no: EM13350557

Question1

If you drop a rock from a height of 7.1 m, it accelerates at g and strikes ground 1.20374 s later.

If you drop the similar rock from half that height, what will be its acceleration? The acceleration of gravity is 9.8 m/s^2.

Question2

A 400g lemming waddles horizontally off a small 4.9m high cliff with a horizontal velocity of 0.5m/s.

a. How far from base of the cliff will the lemming land?

b. What will be lemming's speed just before landing?

c. What is lemming's kinetic energy just before landing?

Reference no: EM13350557

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