can you please help me with solving these

j-l ' A IOU-kg man is in a car traveling at 2 m s". (a) Find his kinetic energy. (b) The car strikes a concrete wall and comes to rest after the front of the car has collapsed 1 m. The man is wearing a seat belt and harness. What is the aver- age force exerted by the belt and harness during the crash? {143 A l-g = 10'3kg bullet has a horizontal TrieTocity of 200 m s". It strikes and becomes em- bedded in a lkg block of wood that rests on a frictionless table top. What is the velocity of the block and bullet after impact? .n. I II__ ' *7-63 A bullet of mass 10-2 kg and initial hori- zontal velocity of 250 m s 'strikes and is embed- ded in a 1-kg wooden block. The wooden block hangs on the end of a long string. (a) What is the velocity of the block and bullet after impact? (b) How high will the block and bullet swing upward