I need HELP with a physics problem?

Posted on 2015-09-29 07:11:00 in Chemistry by MATHEW

A youngster bounces straight up and down on a trampoline. Suppose she quintuples her initial speed from 2.3 m/s to 11.5 m/s.

(a) By what factor does her time in the air increase?

?

(b) By what factor does her maximum height increase?

?

(c) Verify your answer to part (a) with explicit calculations.

s (initially)

s (after initial speed quintuples)

Verify your answer to part (b) with explicit calculations.

m (initially)

m (after initial speed quintuples)

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