Calculating Kinetic Energy II

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.MS-PS3-1

NGSS.MS-PS3-5

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

NGSS.MS-PS3-5

What is the kinetic energy for the black dog?

• 100 J

• 90 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A graph showing the kinetic energy of a 10 kg object at different speeds is provided. Based on the information in the graph, we can predict that the kinetic energy of the object at 2 m/s would be-

• 12 Joules.

• 20 Joules.

• 38 Joules.

• 44 Joules

Tags

NGSS.MS-PS3-1

Calculate KE. m=2 kg v=3 m/s

• 3 J

• 6 J

• 9 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Mathematical Equivalence

ON

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Use the chart to calculate the kinetic energy. KE=\frac{m\times v^2}{2}\ You must show work.

Mathematical Equivalence

ON

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

What is the kinetic energy of a bike with a mass of 16 kg traveling at 4 m/s?

Mathematical Equivalence

ON

Tags

NGSS.MS-PS3-1

What is the formula for calculating kinetic energy?

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-1

Which graph correctly shows the relationship between KE and velocity? Remember that KE=1/2mv^2.

• Direct Relationship

• Exponential Relationship

• Approaching Max Relationship

• Exponential Decay

Tags

NGSS.MS-PS3-1