An arrow is released vertically upwards attains the maximum height of 5 m from the level it is released. If the mass of the arrow is 250 g, work done by the bow on the arrow is greater than _______.

40 J

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20 J

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10 J

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30 J

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Solution

The correct option is C 10 J
Work done by the bow is equal to the P.E. achieved by the arrow at maximum height.
So P.E. of the arrow at maximum height $= 0.250 \times 10 \times 5 = 12.5 J$

From the given options, it is greater than 10 J.

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An arrow is released vertically upwards attains the maximum height of 5m from the level it is released. If the mass of the arrow is 500 grams, work done by the bow on arrow is greater than which of the following? (Assume, g = 10 $m / s^{2}$ )

An arrow fired from a bow attains a maximum height of 5 m from the level it is released. If the mass of the arrow is 500 g, work done by the bow on the arrow is greater than which of the following? Assume $g = 10 m / s^{2}$

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An arrow is released vertically upwards attains the maximum height of 5 m from the level it is released. If the mass of the arrow is 250 g, work done by the bow on the arrow is greater than _______.

The correct option is C 10 JWork done by the bow is equal to the P.E. achieved by the arrow at maximum height. So P.E. of the arrow at maximum height =0.250×10×5=12.5 J From the given options, it is greater than 10 J.

The correct option is C 10 J
Work done by the bow is equal to the P.E. achieved by the arrow at maximum height.
So P.E. of the arrow at maximum height $= 0.250 \times 10 \times 5 = 12.5 J$

From the given options, it is greater than 10 J.