Question

A golfer prints an initial velocity of 30 m / s on a ball when hitting...

A golfer prints an initial velocity of 30 m / s on a ball when hitting it with his club.
If the launch angle was 30 degrees. Determine the speed with which the ball hits the ground.

A.30 m/s

B.25 m/s

C.24 m/s

D.20 m/s

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Homework Answers

Answer #1

Given,

initial velocity is  

angle of projection is  

time taken for the whole flight is

initial velocity in the horizontal direction is

initial velocity in the vertical direction is  

acceleration in the horizontal direction is  

acceleration in the vertical direction is  

Horizontal velocity at any time is

Vertical velocity at any time is

therefore, the speed with which the ball hits the ground

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