Science is just too tough.

An impala is an African antelope capable of a remarkable vertical leap. In one recorded leap, a 45 kg impala went into a deep crouch, pushed straight up for 0.21 s, and reached a height of 2.5 m above the ground. Part A To achieve this vertical leap, with what force did the impala push down on the ground? Express your answer to two significant figures and include the appropriate units.

Fnet =

What is the ratio of this force to the antelope’s weight?

Express your answer using two significant figures.

Fnet / W

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