A man is rowing a boat upstream and inspite of that the boat is found to be not moving with respect to the bank. The work done by the man is

A man rowing a boat upstream is at rest with respect the bank. STATEMENT-1: The man is doing no work with respect to ground. STATEMENT-2: The man is doing a positive work with respect to stream. STATEMENT-3: Work done does not depend in frame of reference.

A amn rowing a boat upstream is at rest with respect to shore. (a) Is he doing any work ? (b) If he stope rowing and moves down with the stream, is any work being done on him ?

Speed of a boat in still water is 12 km/h and that of the current is 3 km/h. A man rows a boat upstream up to 135 km and returns downstream to the starting point. Find the total time taken for the entire journey in hours.

A man is standing on a boat in still water. If he walks towards the shore the boat will

A man is standing on a straight bridge over a river and another man on a boat is on the river just below lthe man on the bridge.If the first man starts walking at the uniform speed of 4 m/ min and the boat moves perpendicularly to the bridge at the speed of 5m/min then at if the height of the bridge above the boat is 3m?