8. Olympics medals have a diameter of 60mm and a thickness of 3mm. Gold has a density of 19g/cm. Work out a) the volume of a gold medal
b) the mass of a gold medal.
Hint - think of the gold medal as a cylinder

The mentor is usually a peer of the individual that acts as a role model and the individual get started in adult life.

Explain the consequences of this addiction to the brain tissue

Using a wheel and axle, a farmer is trying to lift a bucket of water from the bottom of a well. the larger wheel has a radius of 40 cm compared to the axle that has a radius of 10 cm. if a bucket of water is 50 n, then how much effort is required to raise it? 12.5 n 200 n 2 n 500 n