A rigid ball of mass m strikes a rigid wall at 60o and gets reflected without loss of speed as shown in the figure below. The value of impulse imparted by the wall on the ball 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
mV2
b
mV3
c
mV
d
2mV
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
∆V = Vf-Vi = (-V cos600i⏞-V sin 600j⏞ )-(V cos 600i⏞-V sin 600j⏞)∆V = -2V cos 600i⏞Impulse l = |∆P| = m|∆V| = m(2V cos 600) = mV