A car accelerates uniformly from rest at 5 ms‾². Determine its speed after 10s.
A. 50.0 ms‾² B. 25.0 ms‾² C. 2.0 ms‾² D. 0.5 ms‾² Correct Answer: Option A A. 50.0 ms‾² Explanation V = u + at = 0 + 5 x 10 = 50m/s²Uniform speed occurs when there is equal change of?
A. distance in equal times B. displacement in equal times C. velocity in equal times D. acceleration in equal times Correct Answer: Option A A. distance in equal timesA moving car of mass 800 kg experiences a frictional force of 200N. If it accelerates 2 ms‾², calculate the magnitude of the force applied to the car.
A. 600N B. 1000N ms‾² C. 1600N D. 1800N Correct Answer: Option D D. 1800N Explanation F = M + FF 800 x 2 = 200 = 1800NA body is rotating in a horizontal circle of radius 2.5m with an angular speed of 5 rads‾¹. Calculate the magnitude of the radial acceleration of the body.
A. 62.50ms‾² B. 31.25ms‾² C. 12.50ms‾² D. 10.00ms‾² Correct Answer: Option C C. 12.50ms‾²An object is said to undergo oscillatory motion when it moves?
A. in an erratic manner B. to and fro about a fixed point C. in a circular path D. along a continuous path from the starting point Correct Answer: Option B B. to and fro about a fixed pointProducts
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