Exercise – Form II – MOTION IN A STRAIGHT LINE – ACTIVITY 4

ACTIVITY 4

1.       A ball is dropped from a height of 400 m. determine;

(a)    Its velocity after 3 seconds

(b)    The vertical distance travelled after 2 seconds

(c)     The time it takes to reach the ground

(d)    The velocity with which it hits the ground

2.       A stone is thrown vertically upward with a velocity of 20 m/s. Determine;

(a)    The maximum height the stone reached

(b)    The time it takes to reach the highest point.

(c)     The total time of flight of the stone in air