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Questions  

A particle is projected from a trolley car with a velocity v. If the trolley car moves with an acceleration a towards right, which of the following remain unchanged relative to both ground and trolley car?

a
Range
b
Maximum range
c
Time of flight
d
horizontal velocity

detailed solution

Correct option is C

Vertical component of projectile relative to trolley,vyT = v sin θAnd vertical component of projectile relative to groundvyG = v sin θVertical component is unchanged relative to trolley and ground.Now time of flight = 2u sinθgTime of flight remains unchanged relative to trolley & ground.

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