Q.

A mass of 10 g moving horizontally with a velocity of 100 cms-1 strikes a pendulum bob of mass 10 g.Length of string is 50 cm. The two masses stick together. The maximum height reached by the systemnow is (Take, g = 10 ms-2)

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

7.5 cm

b

5 cm

c

2.5 cm

d

1.25 cm

answer is D.

(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

From conservation of linear momentum, velocity of combined mass just after collision will be 50 cms-1, as mass has doubled.Now,  H=u22g=(0.5)220 m=1.25 cm
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon