Select the correct answer or answers for each and explain:

1. When you take a book from your desk and put it up on a shelfabove you the work done on the book depends on: (1) how fast youmoved the book, (ii) depends on whether you moved it straight up oralong an arched path, (iii) depends on how high the shelf is, (iv)depends on the mass of the book. d. A 80-kg baseball player whilerunning at a speed of 5 m/s slides on the ground and comes to astop in 3 m. True statements are: (i) Since the player had a KE atthe beginning and no KE at the end energy is not conserved, (ii)From this information it is possible to determine the magnitude ofthe frictional force that stopped the player, (iii) ) From thisinformation it is NOT possible to determine the magnitude of thefrictional force that stopped the player, (iv) The work done by thefrictional force is 1000 J.

2. A 80-kg baseball player whilerunning at a speed of 5 m/s slides on the ground and comes to astop in 3 m.  True statements are: (i) Since the playerhad a KE at the beginning and no KE at the end energy is notconserved, (ii) From this information it is possible to determinethe magnitude of the frictional force that stopped the player,(iii) ) From this information it is NOT possible to determine themagnitude of the frictional force that stopped theplayer,  (iv)  The work done by the frictionalforce is 1000 J.