A particle of mass m moving with a speed u strikes a smooth horizontal surface at an angle 45 the particle rebounds it an angle ϕ with speed v, if coefficient of restitution is 1√3 , then angle of ϕ is:-
A
30∘
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
45∘
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
60∘
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
37∘
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C60∘
griven particle of mass m, moving with speed 'u netounds wrh a bpeed
Since, the force applied at the peint of contact is in the derection of N, so only vertical component of velocity wull change