a field is on the slope of a hill of inclination45° with horizontal .for irrigation purpose a vertical pole us placed somewhere on the field ,which throws a water jet with velocity v0 horizontally in the direction shown.the plane of motion includes the line of maximum slope on the field .if the pole is 15m high and the water strikes the field perpendicularly.find value of v0:
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Earth's rotation is the rotation of Planet Earth around its own axis. ... Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes, and 4 seconds with respect to other, distant, stars (see below). Earth's rotation is slowing slightly with time; thus, a day was shorter in the past.
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