Question

An arrow is launched straight up with a velocity of 15.0 m/s. How long before the arrow returned to the ground?

Answer 1

Answer:

v=u-at

v=0

u=15

a=9.8

up time t = 15/9.8=1.53 sec

up time = down time = 1.53 sec

total time = 3.06 sec approx

Answer 2

Explanation:

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