You visited us 24 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Perfectly Elastic Collision

An object of ...

Question

An object of mass $m_{1}$ moving horiozntally with speed $u$ collides elastically with another object of mass $m_{2}$ at rest. Select correct statement.

The momentum of the system is conserved only in direction

P Q

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Momentum of

m_{1}

is conserved in direction perpendicular to

S R

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Momentum of

m_{2}

will change in direction normal to

C R

No worries! We‘ve got your back. Try BYJU‘S free classes today!

All of these.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Momentum of $m_{1}$ is conserved in direction perpendicular to $S R$ .
As, we know linear momentum of individual particles remains unchanged along common tangent direction. Here, common tangent direction is perpendicular to the $S R (which is common normal)$ .

Suggest Corrections

Similar questions

Q. An object of mass

m_{1}

moving horiozntally with speed

u

collides elastically with another object of mass

m_{2}

at rest. Select correct statement.

Q. An object of mass

m_{1}

collides elastically with another object of mass

m_{2}

, which is at rest. After the collision, the objects move with equal speeds in opposite directions. The ratio of the masses,

m_{2} : m_{1}

is -

Q. Assertion (A) : A body of "

m_{1}

" collides another body of mass "

m_{2}

" at rest elastically. The fraction of energy transferred to the second body is

\frac{m_{1}}{m_{1} + m_{2}}

Reason (R) : In an "inelastic collision" only linear momentum is conserved

Q. A mass

m_{1}

with initial speed

v_{0}

in the positive

x

-direction collides with a mass

m_{2} = 2 m_{1}

which is initially at rest at the origin, as shown in figure. After the collision

m_{1}

moves off with speed

v_{1} = v_{0} / 2

in the negative

y

- direction, and

m_{2}

moves off with speed

v_{2}

at angle

θ

. Write down the

x

and

y

- components of the equation of conservation of momentum for the collision.

Q. A particle of mass

m_{1}

moving with velocity v in a positive direction collides elastically with a mass

m_{2}

moving in opposite direction also at velocity v. If

m_{2}

m_{1}

, then :

Join BYJU'S Learning Program

Explore more

Perfectly Elastic Collision

Standard XII Physics

Join BYJU'S Learning Program

An object of mass m1 moving horiozntally with speed u collides elastically with another object of mass m2 at rest. Select correct statement.

The correct option is B Momentum of m1 is conserved in direction perpendicular to SR.As, we know linear momentum of individual particles remains unchanged along common tangent direction. Here, common tangent direction is perpendicular to the SR (which is common normal).

An object of mass $m_{1}$ moving horiozntally with speed $u$ collides elastically with another object of mass $m_{2}$ at rest. Select correct statement.

The correct option is B Momentum of $m_{1}$ is conserved in direction perpendicular to $S R$ .
As, we know linear momentum of individual particles remains unchanged along common tangent direction. Here, common tangent direction is perpendicular to the $S R (which is common normal)$ .