MHTCET 14 May 2023 Shift 1 Solved Paper

At end points of the half revolution magnitude of the velocity is same but it directs in opposite direction.
‌∴∆V=V−(−V)
‌∴∆V=2V
Time taken to complete the half revolution is
t=‌

πr

V

Average acceleration is, a=‌

∆V

t

=‌

2V

πT V

∴‌‌a=‌

2V2

πr