Calculate Energy

Kinetic energy=

• ½×Mass×Speed2

• ½×Mass×Speed

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

suppose a girl with a mass of 50 kg is jogging at a speed of 2 meters per second (m/s). Note that1kg.m2/s2=1joule (J)

• =100 J

• =50J

Tags

NGSS.HS-PS3-2

What is the kinetic energy for the white dog? remeber use the formula: Ke=1/2 X m X V²

• 45 J

• 55J

Tags

NGSS.MS-PS3-1

What is the kinetic energy for the black dog?

• 100 J

• 90 J

Tags

NGSS.MS-PS3-1

What is the average kinetic energy of the molecules?

• 5

• 5.2

• 4

• 4.1

Tags

NGSS.HS-PS1-5

What is the average kinetic energy of the molecules?

• 3.7

• 4.7

• 5.7

• 42

Tags

NGSS.HS-PS3-2

Calculate the kinetic energy to be able to answer this question.

Which sample has more kinetic energy?

• Sample A has more kinetic energy.

• Sample B has more kinetic energy.

• Both games have the same kinetic energy.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the average kinetic energy of the molecules?

• 3

• 8

• 7.5

• 5

Tags

NGSS.HS-PS1-5

Calculate the kinetic energy to be able to answer this question.

Which sample has more kinetic energy?

• Sample A has more kinetic energy.

• Sample B has more kinetic energy.

• Both samples has the same kinetic energy.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the average kinetic energy of the molecules?

• 99

• 12

• 11

• 16

Tags

NGSS.HS-PS3-2