Linear motion

Area under a velocity-time graph is equal to ......................... of a body

• distance covered

• acceleration

• force

The second equation of linear motion is

• v=u + at

• s= ut + ¹/₂at²

• v²=u² + 2as

Tags

NGSS.HS-PS2-1

A stone is projected vertically upwards with a velocity of 30m/s from the ground. calculate the time taken to reach the maximum height

• 3s

• 6s

• 10s

A stone is thrown from the top of a cliff 20m high with a horizontal velocity of 10m/s. find the distance from the foot of the cliff to where the stone strikes the ground

• 20m

• 40m

• 10m

A boy runs at a constant speed of 5m/s. determine the time he takes to cover 800m

• 2h 40 min

• 2min 40 sec

• 50 min

displacement is a scalar quantity

• true

• false

express 40m/s into km/h