PE and KE

What is the formula for Gravitational Potential Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

What is the formula for Kinetic Energy?

• PE = mgh

• KE = 1/2mv²

• W = Fd

• P = W/t

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

What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?

• 3,700J

• 900J

• 4,500J

• 6,500J

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

• 676 J

• 3.25 J

• 17J

• 338 J

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. How much kinetic energy does the ball have?

• 1890 J

• 3780 J

• 945 J

• 31.5 J

A rabbit with a mass of 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

Roger Federer’s tennis ball has a mass of 0.3 kg. If he holds the ball above the ground at a height of 2.0 m to serve, what is its potential energy (PE)?

• 5.88 J
• 0.6 J
• 6.67 J
• 0.15 J

A leopard with a mass of 55.00 kg climbs 12.0 m up a tree. What is its PE?

• 6,468 J
• 660 J
• 4.58 J
• 0.22 J

A leopard with a mass of 55.00 kg climbs 12.0 m up a tree. What is its PE?

• 6,468 J
• 660 J
• 4.58 J
• 0.22 J