Posted by **Brianna** on Thursday, September 29, 2011 at 8:24pm.

Two children are playing on two trampolines. The first child can bounce 1.4 times higher than the second child. The initial speed up of the second child is 4.8 m/s. The maximum height of the second child is 1.17m and the initial speed of the first child is 5.66 m/s. How long was the first child in the air?

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