Question

Suppose a tourist threw a rock with an initial velocity of 8.0
m/s (down). Determine the velocity at 4.0 s. The acceleration of gravity is 9.81 m/s

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Answer 1

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So if it's velocity is 8 m/s

Then per second it travels 8 m

Then at 4s the. it travels 32m

So velocity = 32× 9.81 = 313.92 m/s

Answer 2

Answer:

the answer is 313.92 m/s

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