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19 Nov 2019
In a game of American football, a placekicker must kick a footballfrom a point 36.0 m (about 40 yards) from the goal, and half thecrowd hopes the ball will clear the crossbar, which is 3.05 m high.When kicked, the ball leaves the ground with a speed of 24.0 m/s atan angle of 48.0° to the horizontal.
(a) By how much does the ball clear or fall short of clearing orfall short of clearing the crossbar? (Enter a negative answer if itfalls short.)
(b) Does the ball approach the crossbar while still rising or whilefalling?
In a game of American football, a placekicker must kick a footballfrom a point 36.0 m (about 40 yards) from the goal, and half thecrowd hopes the ball will clear the crossbar, which is 3.05 m high.When kicked, the ball leaves the ground with a speed of 24.0 m/s atan angle of 48.0° to the horizontal.
(a) By how much does the ball clear or fall short of clearing orfall short of clearing the crossbar? (Enter a negative answer if itfalls short.)
(b) Does the ball approach the crossbar while still rising or whilefalling?
Patrina SchowalterLv2
13 Aug 2019
