Sunday, July 8, 2012

Surfing For A Car Moving At 50 Km H?

Steven asks…PHYSICS HELP!!! A place-kicker must kick a football from a point 36.0 m (about 40 yards)?A place-kicker must kick a football from a point 36.0 m (about 40 yards) from the goal. Half the crowd hopes the ball will clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 23.8 m/s at an angle of 47.0° to the horizontal.

(a) By how much does the ball clear or fall short (vertically) of clearing the crossbar?


2.) A car is parked on a cliff

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