A Child Throws a Ball with an Initial Speed of

question 37

Short Answer

A child throws a ball with an initial speed of at an angle of 40.0° above the horizontal.The ball leaves her hand above the ground and experience negligible air resistance.
(a)How far from where the child is standing does the ball hit the ground?
(b)How long is the ball in flight before it hits the ground?

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Definitions:

Power-Assisted Steering

A system that uses hydraulic or electric power to assist the driver in steering, reducing effort needed to turn the wheels.

Rack And Pinion

A type of linear actuator that involves a circular gear (the pinion) engaging a linear gear (the rack) to create linear motion from rotational motion.

Fifth Wheel

A pivoting platform attached to a tractor or truck chassis that provides a coupling point for a semi-trailer.

Axle

A rod or bar on which wheels turn or the housing that supports wheel assemblies. Also used to describe the shaft that transmits drive torque to the drive wheels.