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Applied Mechanics

Q1: A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

A vertical component of velocity remains constant

B horizontal component of velocity remains constant

C speed of the ball remains constant

D kinetic energy of the ball remains constant.

ANS:B - horizontal component of velocity remains constant

Because vertical component Vsin (theta) is affected by gravitational acceleration (g) where as the horizontal component V cos (theta) remains constant as it is unaffected by gravity.



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