Momentum Lesson

a ball of mass 200 a that is moving horizontally with a velocity of 0.7m/s collided with a vertical wall and rebounds horizontally with velocity of 0.4 m/s , so find the change in the momentum of the ball due to the collision neglecting the resistance of air is.....

• -0.08 kg Kg.m/s

• 0.22 kg .m/s

• 0.14 g.m/s

Tags

NGSS.HS-PS2-2

two bodies have masses of 5 kg and 15 kg , the first is travelling by a velocity of 20 m/s , both of them have the same momentum , so the velocity of the second one is.....

• 6.67 m/s

• 60 m/s

• 3.75 m/s

Tags

NGSS.HS-PS2-2

calculate the momentum of a body of mass 5 kg that is moving with velocity of 2 m/s.....

• 10 kg .m /s

• 20 kg .m /s

• 10 kg.m

• -10 kg.m

Tags

NGSS.HS-PS2-2

if the momentum of an object is doubled and its mass decreases to half, its velocity......

• decreases to half

• increases to the doubled

• increases four times

• doesn't change

Tags

NGSS.HS-PS2-2

the body falls freely towards the ground its......

• velocity decreases

• acceleration decreases

• momentum increases

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A ball of mass 0.7 kg falls freely from a height of 80 m.

calculate the momentum of the ball at the instant of hitting the ground neglecting the resistance of air . (knowing that :g=10 m/s2)

• 30 kg . m/s

• 28 kg.m/s

• 70 kg .m/s

Tags

NGSS.HS-PS2-2

A car of mass 1200 kg was moving in a velocity 20 m/s . the driver turned off the engine and applied the breaks , so it stopped after 5 seconds , the momentum of car after 3 second is.....

• 12000 kg.m/s

• 9600 kg.m/s

• 2400 kg.m/s

• option 4

Tags

NGSS.HS-PS2-2

Calculate the momentum of a 55-kg running back moving westward at 10 m/s.

• 550 kg·m/s, west

• 550 kg·m/s

• 550 m/s, west

• 550 kg, west

Tags

NGSS.HS-PS2-2

Determine the momentum of 1000-kg car moving southward at 20 m/s......... 

• 20000 N

• 20000 Joules

• 20000 Kg * m/s south

• 10000 kg * m/s south

Tags

NGSS.HS-PS2-2

Which object listed below has the greatest momentum?

• 0.05 kg object rolling at 0.2 m/s.

• 0.15 kg object rolling at 2 m/s.

• 0.15 kg object rolling at 1 m/s

• 0.4 kg object rolling at 2 m/s.

Tags

NGSS.HS-PS2-2