February 27, 2017

Homework Help: physics

Posted by Elisa on Monday, June 2, 2008 at 8:40pm.

A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At that instant, the receiver is 12 m from the quarterback. In what direction and with what constant speed should the receiver run in order to catch the football at the level at which it was thrown?

I keep getting 14.58, but it's incorrect.

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