Acceleration of a particle changes when

  • A
    Direction of velocity changes
  • B
    Magnitude of velocity changes
  • C
    Both of above
  • D
    Speed changes

Similar Questions

The velocity time graph of a body is shown in Figure. It implies that at point $B$ :-

A man goes $10\,m $ towards North, then $ 20\,m$ towards east then displacement is........$m$

A dancer moves counterclockwise at constant speed around the path shown below. The path is such that the lengths of its segments, $PQ, QR, RS$, and $SP$, are equal. Arcs $QR$ and $SP$ are semicircles. Which of the following best represents the magnitude of the dancer’s acceleration as a function of time $t$ during one trip around the path, beginning at point $P$ ?

Equation of displacement for any particle is $s = 3{t^3} + 7{t^2} + 14t + 8m$. Its acceleration at time $t = 1\, sec $ is.......$ms^{-2}$

  • [AIPMT 2000]

If a body starts from rest and travels $120\,\, cm$ in $6^{th}$ second then the acceleration of body is