KE PE TEST

What is the formula for Kinetic Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s?

• 80 J

• 3.2 J

• 160 J

• 40 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?

• 3,700J

• 900J

• 4,500J

• 6,500J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s?

• 200Kg

• 20,000Kg

• 10Kg

• 200Kg

Tags

NGSS.MS-PS3-1

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock reaches 100 meters in height. It has a mass of 5 kg. How much potential energy does the rock have before it begins falling back to earth?

• 500J

• 50J

• 4,905 J

• 49.05J

Tags

NGSS.MS-PS3-2

With all of his Batgear on, Batman has a mass of 90.7 kg. How much potential energy does he have if he's perched on top of a 1,575 m building? 

• 142,852.5 J
• 1,399,954.5 J
• 0.058 J
• 17.36 J

Tags

NGSS.HS-PS2-4

What is the difference between velocity and speed?

• Velocity is the change in speed, speed is the change in distance over time

• Velocity is the change in distance, speed is the change in direction

• Velocity has no direction associated with it, speed is change in distance over time

• Velocity has a direction associated with it, speed has no specific direction

65 miles per hour North is an example of an objects what?

• Speed
  
• Velocity
• Average Speed
• Constant Speed

Tags

CCSS.HSN.VM.A.1

What is the formula for Gravitational Potential Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. How much kinetic energy does the ball have?

• 1890 J

• 3780 J

• 945 J

• 31.5 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4