A trolley of mass 4kg moving on a smooth horizontal platform with a speed of 1.0ms-1 collides perfectly with a…
A. 2.00s B. 0.83s C. 0.08s D. 0.60s Correct Answer: Option C - 0.08s
A 15kg mass, suspended from a ceiling, is pulled aside with a horizontal force, F, as shown in the diagram…
A. fall towards the sun B. scatter and stop moving C. continue to move at tangent to their original orbits…
A stone of mass 0.7kg is projected vertically, upwards with a speed of 5ms-1. Calculate the maximum height reached. (Take…
A. speed B. velocity C. impulse D. acceleration Correct Answer: Option B - velocity
A motorcyclist, passing a road junction, moves due west for 8 s at a uniform speed of 5ms-1. He then…
A. 10N B. 50N C. 75N D. 100N Correct Answer: Option B - 50N
A. molecules are given potential energy during the heating B. friction between oil layers is reduced C. oil molecules force…
A. 90ms¯² B. 60ms¯² C. 30ms¯² D. 15ms¯² Correct Answer: Option D - 15ms¯²