Engineering Mechanics
The time of flight of a projectile on downward inclined plane depends upon

Angle of inclination of the plane
Angle of projection
None of these
Both (A) and (B)

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Engineering Mechanics
A lead ball with a certain velocity is made to strike a wall, it falls down, but rubber ball of same mass and with same velocity strikes the same wall, it rebounds. Select the correct reason from the following:

The change in momentum suffered by rubber ball is more than the lead ball
The change in momentum suffered by rubber ball is less than the lead ball
None of these
Both the balls undergo an equal change in momentum

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