1. Question on Energy Transfer and Speed
Mr. Matthews has a mass of 70kg. How heavy is he?
Calculate the speed that Mr. Matthews would hit the ground if he launched himself from the Eiffel Tower.
Data: The Eiffel Tower is 324m high
2. Questions from the revision booklet:
Column 1: Questions 1, 2 & 3
Column 2: Questions 1, 3 & 4
Column 3: Questions 1 & 2
3. Revise for the P4 test
Enjoy a studious holiday!
HINT: Method for question 1:
• First find the change in gravitational energy.
• If there is no friction, this will be equal to the gain in kinetic energy.
• Rearrange the equation for kinetic energy to first find the square of the speed.
• Now take the square root to find the speed.
