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Two bodies A and, B are projected upwards such that the velocity of A is double the velocity of B. Then, the ratio of heights to which body A and body B will rise is

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HPCL Engineer Mechanical 12 Aug 2021 Official Paper (Shift 2)
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  1. 4
  2. 8
  3. 6
  4. 2

Answer (Detailed Solution Below)

Option 1 : 4
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Detailed Solution

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Concept :

Maximum height: it the maximum height from point of projection that the projectile can reach.

Let, VA = Velocity of body A

VB = Velocity of the ball B

Given VB = u and VA = 2u

The maximum height reached by a body is given by, 

Or H ∝ u2

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