1 A total of 490 J of work is done on a pin when a 5 0 kg

Last updated: 5/5/2023

1 A total of 490 J of work is done on a pin when a 5 0 kg sledgehammer strikes it bringing the sledgehammer to rest Calculate the initial speed of the sledgehammer T I 5C 4 marks 2 Two common and identical carts are used to perform an experiment Cart A is pushed toward the stationary cart B with a velocity of 2 6 m s After the collision cart A bounces back with a speed of 0 8 m s and cart B moves of with a speed of 3 4 m s Why is this not possible Justify your answer with appropriate calculations T I 5 marks C 2