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01-09-2019
Physics

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A rock falls from rest. Ignoring air resistance. It’s velocity and distance fallen after 5 seconds. Choose wisely

A rock falls from rest Ignoring air resistance Its velocity and distance fallen after 5 seconds Choose wisely class=

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smartypants7458 smartypants7458

01-09-2019

Answer:

C

v=-50m/s

S=-125m

Explanation:

v=u+at

v=0+(-10)(5)

v=-50 m/s

S=ut +0.5at^2

S=0(5)+0.5(-10)(5^2)

S=-125m

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