A bullet is fired into a wooden block. If the bullet gets embedded in wooden block, then:

momentum alone is conserved

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

kinetic energy alone is conserved

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

both momentum and kinetic energy are conserved

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

neither momentum nor kinetic energy are conserved

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

Open in App

Solution

The correct option is A momentum alone is conserved
The case is of an inelastic collision. In such collisions, energy(kinetic energy) is lost and is therefore not conserved. But, the momentum of the system is conserved in every collision .

Suggest Corrections

Similar questions

Q. Assertion :In case of bullet fired from gun, the ratio of kinetic energy of gun and bullet is equal to ratio of mass of bullet and gun. Reason: Kinetic energy

\propto \frac{1}{m a s s}

; if momentum is constant.

Q. Assertion :In case of bullet fired from gun, the ratio of kinetic energy of gun and bullet is equal to ratio of mass of bullet and gun. Reason: In firing, momentum is conserved.

A bag (mass M) hangs by a long thread and a bullet (mass m) comes horizontally with velocity v and gets caught in the bag. Then for the combined (bag + bullet) system

Q. A bullet is fired normally towards an immovable wooden block. It loses

25 %

of its kinetic energy in penetrating through a thickness

x

of the plank. The total thickness penetrated by the bullet into the block is:

Q. A

5 g

bullet was fired horizontally into a

1.2 k g

wooden block resting on a wooden surface. The coefficient of kinetic friction between the block and surface is

0.2

. The bullet remained embedded in block. The block was found to slide

0.23 m

along the surface before stopping. Find the initial speed of the bullet.

Join BYJU'S Learning Program

A bullet is fired into a wooden block. If the bullet gets embedded in wooden block, then:

The correct option is A momentum alone is conservedThe case is of an inelastic collision. In such collisions, energy(kinetic energy) is lost and is therefore not conserved. But, the momentum of the system is conserved in every collision .

The correct option is A momentum alone is conserved
The case is of an inelastic collision. In such collisions, energy(kinetic energy) is lost and is therefore not conserved. But, the momentum of the system is conserved in every collision .