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March 29, 2015

Homework Help: physics

Posted by Physics Student need help on Thursday, November 12, 2009 at 9:12pm.

A plane flying horizontally above Earth’s surface at
150. meters per second drops a crate. The crate strikes
the ground 30.0 seconds later. What is the magnitude of
the horizontal component of the crate’s velocity just
before it strikes the ground?

I know the answer is 150 m/s but why?

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