Kinematics 2

If an object fall downward, sign in the equation will be

• Negative

• Positive

• Positive and negative

• None

An object falls freely, if its initial velocity is

• positive

• negative

• zero

• none

The boy drops the ball from a roof of the house which takes 8 seconds to hit the ground. Calculate the velocity

• 16

• 80

• 10

• 5

An object falls with initial velocity 4 m/s in 10 seconds. What can be the height it is thrown?

• 500

• 40

• 540

• 20

An object was thrown upward with initial velocity 30 m/s. What will be the of the object after 4 seconds?

• 80

• 200

• 40

• 120

An object does free fall motion. Height is 20 m. After how many seconds it hits the ground?

• 2

• 4

• 5

• 10

What is the unit of gravitational acceleration?

• m/s

• s

• m/s²

• m

A car starts from rest and accelerates at 3 m/s². Find its displacement 10 s later?

• 20

• 150

• 300

• 200

A car accelerates from rest to 18 km/h in 10 seconds. Find acceleration.

• 2

• 1.8

• 1

• 0.5

An object was thrown upward with initial velocity 42 m/s. What will be velocity after 2 seconds?

• 21

• 20

• 12

• 22