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Find what to multiply a quantity by to be equivalent to; a - an increase of 20% b - an increase of 6.25% c - a decrease of 35% d - a decrease of 1.5%
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The hypotenuse of a right isosceles triangle has length of 20 cm . The sum of the lengths of the other sides equals ?...
A women throws a cricket ball vertically upwards into the air. The ball leaves the womans hand 1.8m above the ground, with a speed of 9.7 m s-1. It rises and then falls back to the ground. By considering the energies involved, calculate the balls speed at the point at which it hits the ground.
You may assume that the acceleration due to gravity is 9.8m s-2 and you may neglect air resistance.
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