A body of mass M at rest explodes into three pieces, two of which of mass M/4 each, are thrown off in perpendicular directions with velocities of 3 m,/s and 4 m/s respectively, The third piece will be thrown off with a velocity of
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
1.5m/s
b
2.0 m/s
c
2.5 m/s
d
3.0 m/s
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
See fig.11 Momentum of A=M4×3 Momentum of B=M4×4=M Resultant momentum =3M42+M2=54M Now C must have a momentum 5/4. M along OC ∴ M2×V′=54M or V′=2.5m/s
A body of mass M at rest explodes into three pieces, two of which of mass M/4 each, are thrown off in perpendicular directions with velocities of 3 m,/s and 4 m/s respectively, The third piece will be thrown off with a velocity of