Solution-Which way is the pebble going when it hits the lake

Which way is the pebble going when it hits the lake

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Reference no: EM131436066

Problem 1: You and a friend are sitting on a cliff, tossing pebbles over the edge, either straight up or straightdown, so that they land in the lake below. Your pebble is in free fall for 5 seconds, with a final speed of 30m/s.

a) Which way is the pebble going when it hits the lake?

b) How fast and in what direction did you throw the pebble?

c) When was the pebble at its maximum height, assuming it left your hand at t = 0?

d) What was the pebble's maximum height?

e) How high is the cliff?

f) How much work did the Earth (meaning, the Earth's gravitational force) do on the pebble? Assume thepebble's mass is 0.05kg

Reference no: EM131436066

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Which way is the pebble going when it hits the lake

Reference no: EM131436066

Reference no: EM131436066

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