Energy Practice Problems

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

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. The ball has ____ kinetic energy. Calculate it.

• 1890 J
• 3780 J
• 945 J
• 31.5 J

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

What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s

• 676 J
• 3.25 J
• 17J
• 338 J

How much kinetic energy does a person of mass 50kg running at 3m/s have? Provide your answer in KJ.

• 225 KJ

• 0.225 KJ

• 75 KJ

• 0.075 KJ

What is the value of the Earth's acceleration due to gravity (g)?

• 9.8 m/s²

• 100 m/s²

• 25 m/s²

• 3.14 m/s²

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

What is the formula for Kinetic Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

A 3 kg bowling ball is lifted 1.5 m off the ground. What is its PE?

• 4.5 J

• 2 J

• 44.1 J

• 0.5 J

What is the PE of a 0.15 kg baseball once it reaches the apex of its motion at 18 m above the ground?

• 26.46 J

• 2.7 J

• 120 J

• 1,176 J