Enero IPS Final Study Questions

Which direction will the wagon move

• Left

• Right

• No Movement

• Up

• Down

Tags

NGSS.MS-PS2-2

What is the net force on the wagon?

• 150N

• 50N

• 100N

• 200N

Tags

NGSS.MS-PS2-2

Are the forces balanced or unbalanced?

• Balanced

• Unbalanced

Tags

NGSS.HS-PS2-1

What is the Law of Conservation of Momentum?

• states that the mass of all the substances present before a chemical change equals the mass of all the substances remaining after the change.

• states that energy cannot be created or destroyed.

• states that charge can be transferred from one object to another but it cannot be created nor destroyed.

• States that if no external forces act on a group of objects, their total momentum does not change.

A 101 kg zombie smells a human and takes off at a run of 5.3 m/s. What is the zombie's momentum?

• 535.3 kg m/s

• 19.506 kg m/s

• 0.8 kg m/s

• 0.0525 kg m/s

 A vampire tackles a werewolf with momentum of 1052 kg• m/s. Find the velocity of the vampire if it has a mass of 72 kg.

• 75744 m/s

• 14.61 m/s

• 0.0684 m/s

Tags

NGSS.HS-PS2-2

A zombie tackles a human with momentum of 752 kg• m/s. Find the mass of the zombie if it is running at 8.9 m/s.

• 84.49 kg

• 432 kg

• 0.0118 kg

• 66928 kg

Tags

NGSS.MS-PS2-1

A rhino charges a car! What momentum will the rhino have if it has a mass of 750 kg and is moving at II m/s?

• 0.0147 kg*m/s

• 68.18 kg*m/s

• 14.7 kg*m/s

• 8250 kg*m/s

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

You arrive in my class 45 seconds after leaving math which is 90 meters away.  How fast did you travel?

• 2 m/s

• 4050 m/s

• 0.5 m/s

If you shout into the Grand Canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon and back, and you hear an echo.  How deep is the Grand Canyon at a spot where you can hear your echo 5.2 seconds after you shout?

• 1768 m

• 65.38 m

• 0.0153 m

Tags

NGSS.MS-PS4-2