Q.

A police van moving on a high way with a speed of 30km/h fires a bullet at a thief’s car speeding away in the same direction with a speed of  192km/h. If the speed of the bullet with respect to police Van is  150m/s, with what relative speed does the bullet hit the thief’s car?

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

a

90 m/s

b

105 m/s

c

110 m/s

d

120 m/s

answer is B.

(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

1. The speed of the bullet with respect to policevBP=150 m/s, Speed of police vanvP=30km/h=30×518m/s=8.3m/s⇒vBP=vB−vPvB=vBP+vP=(150m/s+8.3m/s)=158.3m/s.vT=192km/h=192×518m/s=53.3m/s⇒vBT=vB−vT=(158.3−53.3)m/s=105m/sTherefore, the correct answer is (B).
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon