kinetic and potential energy calculations

At which point is potential energy greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

(a)  

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

A 5 Kg body is having a Kinetic energy of 250 J. What is the velocity (or speed) of the body?

(a)  

Tags

NGSS.MS-PS3-1

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball?

(a)  

Tags

NGSS.MS-PS3-1

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs? (KE = 1/2mv²)

(a)  

Tags

NGSS.MS-PS3-1

What is the mass of a ball that has a kinetic energy of 115 J and is traveling at a speed of 9 m/s?

(a)  

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball? (KE = 1/2mv²)

(a)  

Tags

NGSS.MS-PS3-1

If the 0.3 kg marble was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have?

(a)  

Tags

NGSS.MS-PS3-1

If 150 Joules of work is needed to move a box 10 meters, what force was used? 

(a)  

Tags

NGSS.MS-PS2-2

An 2 kg apple is hanging in a tree, 10 ft off the ground. What is the gravitational potential energy of the apple?

(a)  

Tags

NGSS.MS-PS3-2