StemCET Logo

Physics Question 40 – NEET-UG 2023

← Back
A bullet from a gun is fired on a rectangular wooden block with velocity u. When bullet travels 24 cm through the block along its length horizontally, velocity of bullet becomes u3. Then it further penetrates into the block in the same direction before coming to rest exactly at the other end of the block. The total length of the block is :
✨
✨
🪄
✨

Ready to master this concept? 🚀

Get 100% free access instantly! Sign in using your existing Google account—no new passwords or registration required. Instantly unlock step-by-step solutions, clues, and full explanations.

No thanks, back to home →
🥷
Ninja Strategy•Kinetic Energy Proportionality

Recognize that for constant resistive force, the distance traveled is proportional to the change in kinetic energy. Calculate the ratio of kinetic energy lost in the first phase to the kinetic energy remaining for the second phase to quickly find the ratio of distances.