# Two stones are thrown up simultaneously from the edge of a cliff $240 \mathrm{~m}$ high with initial speed of $10 \mathrm{~m} / \mathrm{s}$ and 40 $\mathrm{m} / \mathrm{s}$ respectively. Which of the following graph best represents the time variation of relative position of the second stone with respect to the first?(Assume stones do not rebound after hitting the ground and neglect air resistance, take $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$ ) (The figures are schematic and not drawn to scale)

Question:

Two stones are thrown up simultaneously from the edge of a cliff $240 \mathrm{~m}$ high with initial speed of $10 \mathrm{~m} / \mathrm{s}$ and 40 $\mathrm{m} / \mathrm{s}$ respectively. Which of the following graph best represents the time variation of relative position of the second stone with respect to the first?(Assume stones do not rebound after hitting the ground and neglect air resistance, take $\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}$ )

(The figures are schematic and not drawn to scale)

JEE Main Previous Year Single Correct Question of JEE Main from Physics Motion in a Straight Line chapter.

JEE Main Previous Year 2015

Correct Option: 2

Solution:

### Related Questions

• A particle is moving with speed $v=b \sqrt{x}$ along positive $x$-axis. Calculate the speed of the particle at time $t=\tau$ (assume that the particle is at origin at $\mathrm{t}=0$ ).

View Solution

• All the graphs below are intended to represent the same motion. One of them does it incorrectly. Pick it up.

View Solution

• A car covers the first half of the distance between two places at $40 \mathrm{~km} / \mathrm{h}$ and other half at $60 \mathrm{~km} / \mathrm{h}$. The average speed of the car is

View Solution

• The velocity of a particle is $v=v_{0}+g t+f t^{2}$. If its position is $x=0$ at $t=0$, then its displacement after unit time $(t=$

1) is

View Solution

• A particle located at $x=0$ at time $t=0$, starts moving along with the positive $x$-direction with a velocity ‘ $v$ ‘ that varies as $v=\alpha \sqrt{x}$. The displacement of the particle varies with time as

View Solution

• The velocity $(v)$ and time $(t)$ graph of a body in a straight line motion is shown in the figure. The point $S$ is at $4.333$ seconds. The total distance covered by the body in $6 \mathrm{~s}$ is:

View Solution

• A bullet of mass $20 \mathrm{~g}$ has an initial speed of $1 \mathrm{~ms}^{-1}$, just before it starts penetrating a mud wall of thickness $20 \mathrm{~cm}$. If the wall offers a mean resistance of $2.5 \times 10^{-2} \mathrm{~N}$, the speed of the bullet after emerging from the other side of the wall is close to :

View Solution

• The position of a particle as a function of time $t$, is given by $x(t)=a t+b t^{2}-c t^{3}$ where, $a, b$ and $c$ are constants. When the particle attains zero acceleration, then its velocity will be:

View Solution

• A particle starts from origin $\mathrm{O}$ from rest and moves with a uniform acceleration along the positive $x$-axis. Identify all figures that correctly represents the motion qualitatively ( $a=$ acceleration, $v=$ velocity,$x=$ displacement $t=$ time $)$

View Solution

• A particle starts from the origin at time $\mathrm{t}=0$ and moves along the positive $x$-axis. The graph of velocity with respect to time is shown in figure. What is the position of the particle at time $\mathrm{t}=5 \mathrm{~s}$ ?

View Solution

error: Content is protected !!