CORRECTIONS:
Answer for question # 4 should be x = 6.8 m instead of 3.4 m. The time calculated on the key was only for when the ball goes up. We have to double this time to include the time it takes to fall down.
Answers for questions # 5, # 10, and # 20 will be at the bottom of the original answer key.
Answer for question # 4 should be x = 6.8 m instead of 3.4 m. The time calculated on the key was only for when the ball goes up. We have to double this time to include the time it takes to fall down.
Answers for questions # 5, # 10, and # 20 will be at the bottom of the original answer key.