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A car with a vertical windshield moves in a rainstorm at a speed of 40 km/hr. The rain drops fallvertically with constant speed of 20 m/s. The angleat which rain drops strike the windshield is |
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Answer» The horizontal component of falling rain is 40km/hrnow convert km/hr into m/s 40*5/18=11.11m/s vertical component of falling the rain is 20 m/s Q=tan^-1(horizontal/vertical) Q=tan^-1(11.11/20) |
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