Answers

Calculate the work done when a force of 20N stretches a spring by 50mm. A. 0.5J B. 1.5J…

Calculate the length which corresponds to a temperature of 20oC if the ice and steam points of an…

What volume of alcohol will have same mass as 4.2m-3 of petrol? Density of alcohol = 8.4 x…

A piece of cork floats in a liquid. What fraction of its volume will be immersed in the…

An object is moving with a velocity of 5m-1. At what height must a similar body be situated…

If a pump is capable of lifting 5000kg of water through a vertical height of 60m in 15…

The pair of physical quantities that are scalar only are ? A. volume and area B. moment and…

A simple pendulum of length 0.4m has a period of 2s. What is the period a similar pendulum…

A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration of 2m-2. The time…

Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration…