What conclusion can you draw from the displacement$-$time graph of a body shown below ?
Since the graph is a straight line, therefore, the body must be moving with a uniform velocity.
$(a)$ Define acceleration.
$(b)$ A stone describes a circular path with a constant speed. State the type of motion of the stone.
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 ?
A motor bike running at $90 \,km h ^{-1}$, is slowed down to $54 \,km h^{-1}$ by the application of brakes, over a distance of $40\, m$. If the brakes are applied with the same force, calculate $(i)$ total time in which bike comes to rest $(ii)$ total distance travelled by bike.
By giving an example, prove that rest and motion are relative terms.
If the displacement of a body is proportional to the square of the time elapsed, what type of motion does the body possess ?
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