Q149 / 180 · KCET 2021 · Physics

For a projectile motion, the angle between the velocity and acceleration is minimum and acute at

  • Correct answer
    A
    only one point
  • B
    two points
  • C
    three points
  • D
    four points

Solution

In projectile motion, centre of acceleration is directed towards the centre of earth and at peak point, the angle between velocity and acceleration is $90^{\circ}$. because at peak point the vertical component of velocity is zero. Thus, it is minimum and acute at only one point (i.e. at heighest point)

Hence, the correct answer is option: 'A'.

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