In throwing a ball upward, discuss the velocity and acceleration at the following?

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KuRt G

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a. upon release of the ball
b. when the ball reaches its maximum height
c. when the ball returns to the thrower's hand


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depends.

are you on the moon?

are you standing on the top of a moving train?

is it windy?

are you standing in a magnetic field and throwing a steel ball?

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a upon release of the ball: The ball will have velocity upwards, with magnitude at which it was thrown. Acceleration will be 9.8m/s² downwards.

b. when the ball reaches its maximum height: The velocity will be zero. The acceleration will be 9.8m/s² downwards.

c. when the ball returns to the thrower's hand: The ball will have the same magnitude of velocity with which it was thrown, but the direction is downwards. Acceleration is 9.8m/s² downwards.

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Acceleration is ALWAYS DOWNWARDS AND EQUAL TO 'g'
a. velocity is maximum
b. velocity is zero
c. same as when it was thrown (i.e maximum)=a

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