Work and Energy Quizziz

A pterodactyl is flying at 23 m/s. What is its kinetic energy if it has a mass of 250 kg?

• 66125 Joules

• 66125 Watts

• 2875 Watts

• 2875 Joules

Tags

NGSS.HS-PS3-1

What is the potential energy of a 47 kg kangaroo that is resting on top of 45m tall ledge?

• 2115 Joules

• 47587.5 Joules

• 20727 Joules

• 20727 Watts

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-1

A dump truck and a Honda Civic are driving down the freeway at the same speed. Which has more kinetic energy?

• The Civic

• The Dump Truck

• They're the same!

• No way to tell

Tags

NGSS.HS-PS3-2

Match the following

• Energy can't be created or destroyed

• Conservation of Energy

• The sum of PE and KE

• Potential Energy

• mgh

• Kinetic Energy

• Work= change in Kinetic Energy

• Mechanical Energy

• 1/2mv^2

• Work Energy Theorem

Tags

NGSS.HS-PS3-2

A tourist drops a camera from a 32 m tall tower. How fast is it going when it hits the ground?

• 25 m/s

• 627.2 m/s

• 79.2 m/s

• 313 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A 40 kg velociraptor running at 17.9 m/s slows to 2.3 m/s after catching some prey. What is the work done to slow the raptor?

• 6408.2 J

• 105.8 J

• -6302.4 J

• 6514 J

Tags

NGSS.HS-PS3-1

A pizza falls from a 2.1 m tall countertop. With what velocity did it hit the ground?

• 2.7 m/s

• 6.42 m/s

• 41.16 m/s

• 20.58 m/s

Tags

NGSS.HS-PS2-4

An angry chef throws a .34 kg sausage at his assistant. If the kinetic energy of the sausage was 135 Joules, what was its velocity?

• 4.7 m/s

• .17 m/s

• 794.11 m/s

• 28.18 m/s

Tags

NGSS.HS-PS3-1

What height is a pumpkin at if it has a mass of 17 kg and a potential energy of 490 J?

• 28.8 m

• 2.94 m

• 17 m

• 50 m

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

A penguin (mass of 30 kg) is sliding at 27 m/s until it comes to a stop. What is the penguin's change in kinetic energy?

• -21870 J

• 21870 J

• 10935 J

• -10935 J

Tags

NGSS.HS-PS3-1