Abatter hits a homerun in which the ball travels 110m horizontally with no appreciable air resistance. if the ball left the bat at 50 degrees above the horizontal just above ground level, how fast was it hit?

The initial velocity of the ball is required.

The initial velocity of the ball was 33.1 m/s when it was hit.

= Horizontal displacement = 110 m

= Angle of hit =

= Initial velocity of the ball

= Acceleration due to gravity =

Range of projectile or horizontal displacement is given by

The initial velocity of the ball was 33.1 m/s when it was hit.

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If you know the formula for horizontal range, then finding the solution is immediate:

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explanation: