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Sustainable transport can be defined as transport which meets the need of the present without compromising the needs of future generations. It must be both environmentally and financially sustainable, uti...

Often this particular style of question ranks amongst the most poorly answered by students. However, it is often very easy to pick up marks without any knowledge of the subject matter whatsoever. The firs...

S = 14.7, U = 19.6, V =,  A = -g, T = t

using s = ut + 1/2 at^2
14.7 = 19.6t + 1/2 -g t^2
1/2 g t^2 - 19.6t + 14.7 = 0

t = (19.6 +- sqrroot(-19.6² - 4 * 0.5 * 9.8 * 14...

An object will be stable if the centre of mass, the point at which all of the mass of the object is concentrated, is lower to the ground. It will also be stable if there is a wide base. Objects with low c...

A substance will float on water if it has a lower density than water. Therefore, ice floats on water simply because it is less dense than water.

Water is unlike other substances in terms of ...