A ball is dropped from the top of a building. Find out the acceleration of the ball immediately after it is dropped?
[Unless otherwise noted, use $g = 10 m / s^{2}$ and neglect air resistance ]

zero

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5 m / s^{2}

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10 m / s^{2}

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20 m / s^{2}

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30 m / s^{2}

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Solution

The correct option is B $10 m / s^{2}$
A body in air always experience a gravitational force in the downward direction. Thus the acceleration of the body is always in the downward direction with constant magnitude.
$∴$ $a = g = 10$ $m / s^{2}$ (downward)

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A ball is dropped from the top of a building. Find out the acceleration of the ball immediately after it is dropped?[Unless otherwise noted, use g=10m/s2 and neglect air resistance ]

The correct option is B 10m/s2A body in air always experience a gravitational force in the downward direction. Thus the acceleration of the body is always in the downward direction with constant magnitude.∴ a=g=10 m/s2 (downward)

A ball is dropped from the top of a building. Find out the acceleration of the ball immediately after it is dropped?
[Unless otherwise noted, use $g = 10 m / s^{2}$ and neglect air resistance ]

The correct option is B $10 m / s^{2}$
A body in air always experience a gravitational force in the downward direction. Thus the acceleration of the body is always in the downward direction with constant magnitude.
$∴$ $a = g = 10$ $m / s^{2}$ (downward)