A bullet of mass m moving with velocity u strikes a suspended wooden block of mass M and gets embedded into it. If the system rises to a height h, the initial velocity of the bullet will be :
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
2gh
b
M+mm2gh
c
mM+m2gh
d
M−mm2gh
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
According to law of conservation of momentummu+0=(m+M)V or V=mvm+MAs the system rises to height h, henceV=2gh or mvm+M=2gh