Two cannons shoots cannonballs simultaneously as shown in the figure. The mass and speed of the the cannonball at ground level is half that of the cannonball at height H. Each cannonball is in air for more than two seconds.
Which of the following quantities reduces for the cannonball projected from height H?

Kinetic energy

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Potential energy

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Momentum

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Speed

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Mass

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Solution

The correct option is B Potential energy
Since the cannonball at height H constantly drops down, it loses its gravitational potential energy which converts in to kinetic energy, due to which the projectile gains speed in vertical direction.

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The correct option is B Potential energySince the cannonball at height H constantly drops down, it loses its gravitational potential energy which converts in to kinetic energy, due to which the projectile gains speed in vertical direction.

The correct option is B Potential energy
Since the cannonball at height H constantly drops down, it loses its gravitational potential energy which converts in to kinetic energy, due to which the projectile gains speed in vertical direction.