What conclusion can you draw from the displacement$-$time graph of a body as shown below ?
A curved displacement $-$ time graph represents non$-$uniform motion.
A motorcyclist drives from $A$ to $B$ with a uniform speed of $30\, km\, h^{-1}$ and returns back with a speed of $20 \,km \,h^{-1}$. Find its average speed(in $km\, h^{-1}$).
Explain the following type of motion with one example of each
$(i)$ Acceleration is positive
$(ii)$ Acceleration is negative
$(iii)$ Acceleration is zero.
Area under velocity$-$time graph is equal to the
A body is moving along a circular path of radius $R$. Find the displacement of the body when it completes half a revolution.
Define acceleration. State a relationship connecting $u, v, a$ and $t$ for an accelerated motion. Give an example of a motion in which acceleration is uniform.
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