1
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle of mass m is projected with a velocity u making an angle $$\theta$$ with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height is

A
0
B
$$\frac{m u \sin ^2 \theta \cos \theta}{2 g}$$
C
$$\frac{2 m u^2 \cos ^2 \theta \sin \theta}{g}$$
D
$$\frac{m u^3 \sin ^2 \theta \cos \theta}{2 g}$$
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

When a ball is thrown with a velocity of 50 ms$$^{-1}$$ at an angle 30$$\Upsilon$$ with the horizontal, it remains in the air for ......... s.

(Take, g = 10 ms$$^{-2}$$)

A
5
B
2.5
C
1.25
D
0.625
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