Two trolleys A and B are free to move on a level frictionless track

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Two trolleys A and B are free to move on a level frictionless track, and are initially stationary. A man on trolley A throws a bag of mass 10kg with a horizontal velocity of 4ms−1 with respect to himself on to trolley B of mass 100kg. The combined mass of trolley A (excluding bag) and the man is 140km. Find the ratio of velocities of trolleys A and B, just after the bag lands on trolley B.
20
Sep
Two trolleys A and B are free to move on a level frictionless track, and are initially stationary. A man on trolley A throws a bag of mass 10kg with a horizontal velocity of 4ms−1 with respect to himself on to trolley B of mass 100kg. The combined mass of trolley A (excluding bag) and [...]
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