(a) Explain what is meant by acceleration of free fall due to gravity, g. (b) State two reasons why g varies on the surface of the earth (c) A stone is proj...

Question 1 Report

(a) Explain what is meant by acceleration of free fall due to gravity, g.

(b) State two reasons why g varies on the surface of the earth

(c) A stone is projected upwards at an angle of 30° to the horizontal from the top of a tower of height 100 m and it hits the ground at a point Q. If the initial velocity of projection is 100ms\(^{-1}\), calculate the

(i) maximum height of the stone above the ground;

(ii) time it takes to reach this height;

(iii) time of flight

(iv) horizontal distance from the foot of the tower to the point Q. (Neglect air resistance and take g as 10m\(^{-2}\))