### Find out the speed of the conductor relative to the road

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Q1. A bus travelling along a straight road at 100 km hr and the bus conductor walks at 6kmhr on the floor of the bus and in the similar direction as the bus. Find out the speed of the conductor relative to the road, and relative to the bus.

Q2. A box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Determine the force that the table exert on the box if the weight hanging on the other side of the pulley weighs (a) 30.0 N (b) 60.0 N (c) 90.0 N

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