potential energy

One of the tallest radio towers is in Fargo, North Dakota. The tower is 629 m tall. If a bird lands on top of the tower with a mas of 0.3kg. What is the birds GPE?

Gravity is 9.8m/s.

ROUND TO THE WHOLE NUMBER.

NO COMMAS

1. Determine the gain in gravitational potential energy when a 4.00 kg block is raised 18.00 m.

Gravity is 9.8m/s.

ROUND TO THE WHOLE NUMBER.

NO COMMAS

1. An owl has a mass of 4.00 kg. It dives to catch a mouse from a height of 20m How much GPE does the owl gain?

Gravity is 9.8m/s.

ROUND TO THE WHOLE NUMBER.

NO COMMAS

What type of reaction is this?

• Endothermic
• Exothermic

You throw a ball into the air as shown in the diagram. At what point does the ball have the most gravitational potential energy?

• W

• X

• Y

• Z

What is the change of the heat of the reaction (ΔH)?

• -40 kJ

• -20 kJ

• 100 kJ

• 60 kJ

When a pendulum swings, at which point is potential energy at its greatest?

• 1
• 2
• 3
• 4

What letter represents the energy of the products?

• A
• B
• C
• D

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

At which point on the roller coaster is the gravitational potential energy the greatest?

• W

• X

• Y

• Z