State the meaning of uniform circular motion.
Uniform circular motion is the motion which takes place along a circular path with constant speed.
A driver of a train travelling at $40\, m s ^{-1}$ applies the breaks as a train enters a station. The train slows down at a rate of $2\, m s ^{-2} .$ The platform is $400\, m$ long. Will the train stop in time ?
The velocity$-$time graph of a body has a negative slope. The body is undergoing
$(a)$ Which type of motion is represented by the velocity$-$time graph shown below ?
$(b)$ Name the physical quantity which can be calculated by the area of rectangle $OABC$.
$(c)$ What does the straight line $AB$ represents ?
What is the relation between distance and time
$(i)$ when body is moving with uniform velocity ?
$(ii)$ when body is moving with variable velocity ?
The displacement $-$ time graph of a body is parallel to time axis. What will you infer about the velocity of the body ?
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