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14. A train is running at a constant speed of 90 km/hon a sfraight track. A person standing at the top ofa boggey moves in the direction of motion of thetrain such that he covers 1 meters on the train eachsecond. The speed of the person with respect toground is(1) 25 m/s(3) 26 km/h(2) 91 km/th(4) 26 m/s |
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