A person sitting in a moving train with his face towards the engine, throws a coin vertically upwards. The coin falls ahead of person. The train:

  • A

    Comes to rest after coin is just thrown

  • B

    Retardation is present

  • C

    Acceleration is present

  • D

    Constant velocity is present

Similar Questions

The velocity $(v)-$ time $(t)$ plot of the motion of a body is shown below:

(image)

The acceleration $(a)-$ time $(t)$ graph that best suits this motion is :

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If the displacement of a particle varies with time as $\sqrt{x}=t+7$, then

For the velocity-time graph shown in the figure, in a time interval from $t=0$ to $t=6\,s$, match the following columns.

Colum $I$ Colum $II$
$(A)$ Change in velocity $(p)$ $-5 / 3\,Sl$ unit
$(B)$ Average acceleration $(q)$ $-20\,SI$ unit
$(C)$ Total displacement $(r)$ $-10\,SI$ unit
$(D)$ Acceleration at $t=3\,s$ $(s)$ $-5\,SI$ unit

The velocity of a body depends on time according to the equation $v = 20 + 0.1{t^2}$. The body is undergoing

A uniformly moving cricket ball is turned back by hitting it with a bat for a very short time interval. Show the variation of its acceleration with time (Take acceleration in the backward direction as positive).