How far will a body move in 4 seconds if uniformly accelerated from rest at the rate of 2m/s²?
A. 32m B. 24m C. 16m D. 1.2m E. 5m Correct Answer: Option C – 16m
An object is projected with a velocity of 100 m/s from the ground level at an angle θ to the vertical. If the total time of flight of the projectile is 10s. Calculate θ. (g = 10 ms−²).
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°A particle starts from rest and moves with a constant acceleration of 0.5 ms−²? Calculate the time taken by the particle to cover a distance of 25m.
A. 25s B. 7.1s C. 10.0s D. 50.0s E. 100.0s. Correct Answer: Option C – 10.0s Explanation S = ut + ½at² 25 = 0 + ½ x 0.5t² T = 10s
A body of mass m = 0.5 kg is suspended by a string and pulled by a horizontal force 12N of as shown in the diagram: Calculate the tension T in the String if the body is in equilibrium. [Take g as 10m/s]
A. 7.0 B. 10.9 C. 12.5 D. 13.0 E. 17.0 Correct Answer: Option D Explanation Mg = 5N T² = 5² + 12² T = 13NProducts
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