PS Physics Math Review

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s²

• 9.8 Joules

• 1.0 Joule

• 0.10 Joule

• 11.8 m/s²

Calculate the gravitational potential energy of a 65kg climber on top of Mount Everest (8.8km high).

• 6864 J

• 7206 J

• 5605 J

• None of the answers are correct

Tags

NGSS.MS-PS3-2

Calculate the gravitational potential energy of a car with a mass of 1300kg at the top of a .52km high hill.

• 4862 J

• 6560 J

• 6625 J

• None of the answers are correct

Calculate the gravitational potential energy of a 0.88kg bird flying at an altitude of 5.50km.

• 4.74 J

• 2.80 J

• Both answers are correct

• None of the answers are correct

Tags

NGSS.MS-PS2-4

A science student holds a 5kg egg out a window. Just before the student releases the egg, the egg has 8.0J of gravitational potential energy with respect to the ground. ow far is the students arm from the ground in meters?

• .15m

• .17m

• .08m

• .19m

Tags

NGSS.MS-PS2-4

A diver has 3400J of gravitational potential energy after stepping up onto a diving platform that is 6 meters above the water. What is the divers mass in kilograms?

• 85kg

• 64m

• 58kg

• None of the answers are correct

Tags

NGSS.MS-PS3-2

A golf pro swings his driver which weighs 0.75Kg at a velocity of 60 m/s. Calculate the kinetic energy of the club.

• 2700 J
• 16.9 J
• 1350 J
• 45 J

Tags

NGSS.MS-PS3-1

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s.

• 80 J
• 3.2 J
• 160 J
• 40 J

Tags

NGSS.MS-PS3-1

A rabbit of mass 3kg walks at a speed of 0.5m/s. Calculate its kinetic energy.

• 0.5 J
• 0.75 J
• 0.255 J
• 0.375 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s

• 200Kg
• 20,000Kg
• 10Kg
• 200Kg

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4