A moving body is covering a distance directly proportional to the square of time. The acceleration of the body is

  • A

    increasing

  • B

    decreasing

  • C

    zero

  • D

    constant

Similar Questions

A body is moving along a circular path of radius $R$. Find the displacement of the body when it completes half a revolution.

$(a)$ Define circular motion.

$(b)$ "Uniform circular motion is an accelerated motion". Justify this statement with reason.

$(c)$ An artificial satellite is moving in a circular orbit of radius $42250\, km.$ Calculate its speed if it takes $24$ hours to revolve once around the earth.

By giving an example, prove that rest and motion are relative terms.

A girl running a race accelerates at $2.5\, m s ^{-2}$ for the first $4\, s$ of the race. How far does she travel in this time ?

A scooter starts from rest moves in a straight line with a constant acceleration and covers a distance of $64 \,m$ in $4 \,s$

$(i)$ Calculate its acceleration and its final velocity.

$(ii)$ At what time the scooter had covered half the total distance ?