If the displacement of a body is proportional to the square of the time elapsed, what type of motion does the body possess ?
The body has uniform acceleration.
Starting from rest a scooter acquires a velocity of $36\, km h^{-1}$ in $10 \,s$ and then brakes are applied it takes $20\, s$ to stop. Calculate acceleration and distance travelled.
The direction of acceleration of an object moving in a circular path is
$(a)$ Write differences between speed and velocity.
$(b)$ The speed of a moving object is $x m s ^{-1}$. Its velocity is $y m s ^{-1}$. What is the similarity observed ?
What is the difference between uniform motion in a straight line and circular motion ?
An athlete completes one round of a circular track of diameter $49 \,m$ in $20 \,s$. Calculate the distance covered and displacement at the end of $30 \,s$.
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