Physics Past Questions and Answers

An object of volume 400cm<sup style='font-size: smaller;'>3</sup> and 2.5gcm<sup style='font-size: smaller;'>-3</sup> is suspended from a spring balance with half its volume immersed in water. Determine the reading on the spring balance. (Density of water = 1gcm<sup style='font-size: smaller;'>-3</sup>)

The diagram given illustrates a force-distance graph for the motion of a wooden block. Determine the work done on the block when moved through a distance of 5m.

The two person of a body undergoing a uniformly accelerated motion are (10s, 10ms<sup style='font-size: smaller;'>-1</sup>) and (30s, 50ms<sup style='font-size: smaller;'>-1</sup>). On the velocity-time graph pf the body.

At a birthday party, the celebrant pops a corked fruit wine. If the cork shoots out of the bottle at an angle of 40<sup style='font-size: smaller;'>o</sup> to the horizontal and travels a horizontal distance of 4.50m in 1.25s. Calculate the initial speed of the cork.

A uniform metre rule is balanced on a fulcrum placed at the 35cm mark by suspending a mass of 120g at the 10cm mark. Calculate the mass of the metre rule.