The displacement of a body is proportional to the cube of the time lapsed. The magnitude of the acceleration is
The displacement of a body is proportional to the cube of the time lapsed. The magnitude of the acceleration is
- A
increasing with time
- B
decreasing with time
- C
constant
- D
zero
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The graph given below is the distance$-$time graph of an object.
$(i)$ Find the speed of the object during first four seconds of its journey.
$(ii)$ How long was it stationary ?
$(iii)$ Does it represent a real situation ? Justify your answer.
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$(ii)$ How long was it stationary ?
$(iii)$ Does it represent a real situation ? Justify your answer.
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$(i)$ A scooter moving with a speed of $300\, m$ per minute.
$(ii)$ A car moving with a speed of $36 \,km$ per hour.
Can the displacement of a particle be zero when the distance travelled is not zero ?
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Write true or false for the following statements
A motion is said to be uniform, if $x \propto t^{2}$
Write true or false for the following statements
A motion is said to be uniform, if $x \propto t^{2}$