Question

Comprehension - 1
A particle is projected with a velocity u = 4gR along a smooth semicircular track of radius R. (See
figure). At some angular position particle will leave contact with the track. After that particle will become a
projectile.

15.
The angle made by position vector of particle with vertical when particle leaves contact with track
is
2
(A) sin-1
3
)
3
3
(D) cot 12
3
(A) sin
(B) tan 2
16.
The velocity of particle as a function of O (shown in figure) is
(A) 2gR(1-cos)
(B) 2gR(1-sino)
(C) 2gR(1 – tano)
(D) 2gR(1-сoto)​

Answer 1

Answer:

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