Ke and Pe Problems

The kinetic energy of a 7 kg cat moving at 4 m/s is

• 28 Joules

• 56 Joules

• 112 Joules

Tags

NGSS.HS-PS3-2

The gravitational potential energy of an object on the ground is

• 9.8 Joules

• 100 Joules

• equal to the kinetic energy

• 0 Joules

The potential energy of a 550 kg missile flying at 800 meters is

• 4,312,000 Joules

• 440,000 Joules

• 176,000,000 Joules

• 0 Joules

Tags

NGSS.HS-PS3-1

A 80 kg runner going at 2.8 m/s has a kinetic energy of

• 2195.2 Joules

• 112 Joules

• 313.6 Joules

• 627.2 Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

A ball that has a mass of 3kg and has a potential energy of 5,000 J is how high in the air.

• 170.1 J

• 1,666.7 J

• 1,666.7 m

• 170.1 m

Tags

NGSS.HS-PS3-1

A soccer ball has a gravitational potential energy of 80%. What is the percent of kinetic energy?

• 80%

• 70%

• 20%

• 10%

Tags

NGSS.MS-PS3-1

A student raises a 0.3 kg phone to a height of 0.8 meters. The potential energy of the phone is

• .096 Joules

• 2.35 Joules

• 0.24 Joules

• 0 Joules

Tags

NGSS.HS-PS3-2

A plane with a mass 1200kg and a kinetic energy of 3,500,000 J is flying with a velocity of ?

• 76.4 kg

• 76.4 m/s

• 5,833.3 kg

• 5,833.3 m/s

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the mass of a football that feel from a height of 28m with a potential energy of 4,150J?

• 148.2 kg

• 15.1 kg

• 148.2 g

• 15.1 g

A cannonball is launched with 500 Joules of kinetic energy and a velocity of 10m/s. What is its mass?

• 50 m/s

• 50 kg

• 10 kg

• 10 m/s