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Two particles are projected simultaneous...

Two particles are projected simultaneously from the same point, with the same speed, in the same vertical plane, and at different angles with the horizontal in a uniform gravitational field acting vertically downwards. A frame of reference is fixed to one particle. The position vector of the other particle , as observed from this frame, is `vecr`. Which of the following statement is correct?

A

The direction of ` vecr` changes with time

B

The magnitude of ` vecr` remains constant with time

C

The magnitude of `vecr` remains same , with time

D

The magnitude of ` vecr` increases linearly with time

Text Solution

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The correct Answer is:
C, D
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Knowledge Check

  • Two projectiles are fired from the same point with the same speed at angles of projection 60^(@) and 30^(@) respectively. Which one of the following is true?

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