in the adjoining figure ,a wedge is fixed to an elevator moving upwards with an acceleration 'a'. a block of mass m is placed over the wedge. find the acceleration of the block with respect to wedge. neglect friction
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A person travels by car from one city to another. Drive for 30.0 min at 80.0 km / h, 12.0 min at 100 km / h, and 45.0 min at 40.0 km / h, and take 15.0 min to place gasoline and eat something.
Determine a) the average speed for the trip and b) the distance between cities
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40km/h.......@nswer..!!
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