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Harra
Questions (5)
A car travelling at 50 kilometers per hour crosses a bridge over a river 10 minutes before a boat travelling at 40 kilometers
2 answers
783 views
A man on a wharf is pulling in a boat by means of a rope attached to the bow of the boat 1 meter above water level and passing
1 answer
2,106 views
A stone is dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 2 meters per
1 answer
1,446 views
A man 1.69 meters tall is walking towards a building at the rate of 1.5 meters per second. If there is a light on the ground 15
1 answer
1,022 views
A ladder 15 meters long leans against a vertical wall. If the foot of the ladder is being pulled away from the wall at the rate
1 answer
1,315 views
