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Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
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Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?
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Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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How much current is in a circult that includes a 9.0-volt battery and a bulb with a resistance of 4....
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