- 1. What is the equation to find Potential Energy (Ep)
A) Ep = mg/h
B) Ep = m/gh
C) Ep = mgh
D) Ep = m/gh
- 2. What goes gravity always equal?
A) 9.8
B) 10
C) 8
D) 12.5
- 3. Calculate the potential energy available from a skip of 500kg of rubbish at a height of 120m
A) 600000J
B) 154367J
C) 588000J
D) 495672J
- 4. A football player hits a freekick. Calculate the potential energy of the ball at the halfway point in the shot when the ball is weighing 0.4kg and is at a height of 10m
A) 150.89J
B) 50.3J
C) 24J
D) 39.2J
- 5. A Bungee jumper is about to jump from a height of 50m. His potential energy is 200J. What is his mass?
A) 1012kg
B) 102kg
C) 1020.4kg
D) 150kg
- 6. A bouncy ball is dropped out of a multi-storey building. The bouncy ball weighs 2kg and has 3245J of potential energy. At what height was the bouncy ball dropped?
A) 1467.8m
B) 17800m
C) 15900.5m
D) 12000.2m
- 7. A car is travelling down a hill. The top of the hill is 100m high. The car weighs 1175kg. What is the car’s potential energy at the top of the hill?
A) 13500.56J
B) 10025J
C) 1565487J
D) 1151500J
- 8. What is Potential Energy measured in?
A) Kilos (kg)
B) Joules (J)
C) Metres (m)
D) Grams
- 9. What is the equation to find Height?
A) h = mEp/g
B) h = Epmg
C) h = mg/Ep
D) h = Ep/mg
- 10. At the top of a rollercoaster, which is 250m in height, there is a man weighing 80kg. What is his potential energy at this point?
A) 1432J
B) 200000J
C) 238745J
D) 196000J
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