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Asked Sep 28, 2019
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suppose you throw a ball vertically downward with a speed of 10 m/s. neglecting air friction what would be the speed of the ball one second later

 

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Expert Answer

Step 1

Given:

Initial velocity of the ball = 10 m/s (Downward)

Step 2

Calculating the velocity of the bal...

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Initial velocity of the ball, u = 10 m/s Acceleration of the ball, a = g = 9.8 m/s2 Calculating the velocity of ball after t 1 s, using first eq. of motion, v=uat Substitute u= 10 m/s, a g, t=1s v 10m/s(9.8m/s'(ls) v 19.8m s

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Physics

Kinematics

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