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Q2" A ball falls from rest from a height of 4ram and rebound to a maximum height of 2:5m. If it is in contact with the floor for 28 ms , the ball experiences an average accerelation during impact is equal for a ) 600 mls 2 upward ( c ) 9-8 mls? downward ce) loomis ( b) 600 mis? downward ( ) loomis? upward downward vectors A and B have equal magnitudes and directions as shown. scalar product CAB) of two vectors equal for 918 ( b ) B = 6- 0 14 (C) 10 20 0 A = 9.0 1 zero ball GAV A player nits golf , which leaves the tee at an angle of 40 above the horizontal : After 4- 65 , ball cet: clears a barrier net located 140 m away from the player as shown . The initial speed (vi) is equal for 26 mls 30 mis yo mls 84mis MO 140m