A 20 gm bullet is shot horizontally and collides with a 1.98 kg block of wood. The bullet embeds in the block and the block slides along a rough horizontal surface for 1.5 m. If the coefficient of kinetic friction between the block and surface is 0.4, the original speed of the bullet is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

2003 m/s

1003 m/s

100 m/sm/s

200 m/s

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

by consrvation of linear momentum mv=(m+M)V 20x10-3v=(0.02+1.98)V V=10-2v stoping distance S= V22a here a=μg V2=2μgs 10-4 v2=2(0.4)(10)(1.5) v=2003

Watch 3-min video & get full concept clarity