Questions
Infinite number of bodies, each of mass 2 kg are situated on x-axis at distances 1 m, 2 m, 4 m, 8 m, ..., respectively, from the origin. The resulting gravitational potential due to this system at the origin will be
detailed solution
Correct option is B
The resulting gravitational potential at the origin O due to each of mass 2 kg located at positions as shown in figure isV=G×21−G×22−G×24−G×28−.....=−2G1+12+14+18+......=−2G11−12=−2G21=−4GTalk to our academic expert!
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When a capillary tube is dipped in water, water rises upto 8 cm in the tube. What happens when the tube is pushed down such that its end is only 5 cm above the outside water level
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