Calculate Potential and Kinetic Energy

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

A exercise ball is on a table 2.5 m above the ground. What is the mass of the ball if it has a potential energy of 56.8 J?

(a)  

Tags

NGSS.MS-PS3-2

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

Which type of energy depends on position?

• kinetic energy

• positional energy

• conservative energy

• potential energy

Tags

NGSS.MS-PS3-2

kinetic energy = 1/2 x mass x speed²

potential energy = mass x gravity x height

gravity = 9/8 meters/second²

^{A rhinoceros is galloping through the savannah at 6 m/s. He has a mass of 700 kg. What is the rhino's kinetic energy?}

• 706 J

• 4200 J

• 12,600 J

• 25,200 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

gravity = 9/8 meters/second²

potential energy = mass x gravity x height

A bird lands on a branch that is 10 meters off the ground. It's mass is 5 kg. What is the bird's potential energy?

• 5 J

• 15 J

• 50 J

• 490 J

Tags

NGSS.MS-PS3-2

Which type of energy does this formula calculate?

• kinetic energy

• potential energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which unit do we use for potential and kinetic energy?

• m/s

• km/h

• J

• K

Which point on the picture does the ball have the greatest amount of potential energy?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-2

Which point on the picture does the ball have the least amount of potential energy?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-2