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At the top of the trajectory of a projec...

At the top of the trajectory of a projectile, the directions of its velocity and acceleration are

A

parallel to each other

B

antiparallel to each other

C

inclined to each other at an angle of `45^(@)`

D

perpendicular to each other

Text Solution

Verified by Experts

The correct Answer is:
D
Velocity is horizontal and acceleration is vertical download. Therefore, the direction of its velocity and acceleration are perpendicular to each other.
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Knowledge Check

  • At the top of the trajectory of projectile the

    A
    Acceleration is minimum
    B
    Velocity is zero
    C
    Acceleration is maximum
    D
    Acceleration is g

  • When a projectile is at the highest point of its trajectory, the directions of its velocity and acceleration are

    A
    Parallel to each other
    B
    anti-parallel to each other
    C
    inclined to each other at an angle of 45 degree
    D
    perpendicular to each other

  • STATEMENT-1: A body is projected from the ground with kinetic energy K at an angle of 60° with the horizontal. If air resistance is neglected, its K.E. When it is at the highest point of its trajectory will be K/4 because STATEMENT-2: At the highest point of the trajectory, the direction of velocity and acceleration of the body are perpendicular to each other

    A
    Statement-1 is True, Statement-2 is True, Statement -2 is a correct explanation for
    Statement-1.
    B
    Statement-1 is True, Statement-2 is True, Statement -2 is NOT a correct explanation for
    Statement-1
    C
    Statement - 1 is True, Statement-2 is False.
    D
    Statement-1 is False, Statement-2 is True.

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