QUESTION 5 A girl on roller blades with her hands on a fully loaded trolley of mass 15 kg, moves east at 7 m.s-¹ over a
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QUESTION 5 A girl on roller blades with her hands on a fully loaded trolley of mass 15 kg, moves east at 7 m.s-¹ over a
QUESTION 5 A girl on roller blades with her hands on a fully loaded trolley of mass 15 kg, moves east at 7 m.s-¹ over a frictionless surface as shown below. The girl now pushes the trolley so that she moves at 2 m.s¹ west after this push. The mass of the girl and her roller blades is 48 kg. 7 m.s¹ 5.1 (2) Sate the conservation principle that is applicable during the interaction between the girl and the trolley 5.2 Calculate the velocity of the trolley directly after the girl pushed it. (4) 53 During the pushing motion of the girl the trolley experiences an impulse.