Take upwards as positive, when a ball is thrown upwards, the acceleration due to gravity is during the upward motion and during the downward motion.

negative

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negative

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positive

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positive

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Solution

The correct option is B negative
Gravity acts in the downward direction in both cases, that's why it is negative in both cases.

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Q. Take upwards as positive, when a ball is thrown upwards, the acceleration due to gravity is during the upward motion and during the downward motion.

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Take upwards as positive, when a ball is thrown upwards, the acceleration due to gravity is during the upward motion and during the downward motion.

The correct option is B negativeGravity acts in the downward direction in both cases, that's why it is negative in both cases.

The correct option is B negative
Gravity acts in the downward direction in both cases, that's why it is negative in both cases.