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A train travels due south at 28 m/s (relative to the ground ) in a rain that is blown to the south by the wind. The path of each raindrop makes an angle of 640 with the vertical, as measured by an observer stationary on the Earth. An observer on the train, however, sees perfectly vertical tracks of rain on the windowpane. Determine the speed of the drops relative to the Earth

A train travels due south at 28 m/s (relative to the ground ) in a rain that is blown to the south by the wind. The path of each
raindrop makes an angle of 640 with the vertical, as measured by an observer stationary on the Earth. An observer on the train, however, sees perfectly vertical tracks of rain on the windowpane. Determine the speed of the drops relative to the Earth

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
6 years ago
232-2318_1.PNG
Round off to two significant figures,
232-1399_1.PNG
Therefore, the velocity of raindrops relative to ground is 31 m/s .

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