A. 0°
B. 30°
C. 45°
D. 60°
E. 90°
Correct Answer:
Option B – 30°
Explanation
T = 2u sinθ/g
sinθ = Tg/2u
= 10 x 10/2 x 100
= 0.5
, θ = sin-10.5 = 30°
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