A dynamite blast at a quarry launches a rock straight
A dynamite blast at a quarry launches a rock straight upward, and2.5 s later it is rising at a rate of 18 m/s. Assuming airresistance has no effect on the rock, calculate its speed(a) at launch and (b)5.3 s afterlaunch
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if 343times108 electrons flowthrough the ground wire to earth and the ground wire is thenremoved what is the net charge
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a dynamite blast at a quarry launches a rock straight upward and25 s later it is rising at a rate of 18 ms assuming
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an ideal gas is enclosed in a cylinder that has a moveable pistonon top the piston has a mass of 3900 gand an area of
two charges are placed on the x axis one of thecharges q1 589c is at x1 300 cm and the otherq2 -270c is at x2 900
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