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Calculate the moment of inertia of An 8.00-kg cylinder, of length 19.5cm and diameter 12.0 cm,about the central axis of the cylinder,if the cylinder is (1) thin-walled and hollow, and (2)solid.
Ans) The moment of inertia of a body doesn''t change if we don''t change the distance of particles from axis. So, moment of inertia of a cylinder about central axis is same as moment intertia about same axis of a disc/ring(if hollow).For ring, I=Mr2For disc,I=(Mr2)/2 You can put the values.
An element exists in two solid phases (labelled P1 and P2). The standard molar entropies of P1 and P2 are 21.9 J mol -1 K -1 and 23.3 J mol -1 K -1 respectively. The
if 36C of charge pass through a wire in 4 seconds what current is it carrying
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A battleship concurrently ?res two shells at enemy ships along the trajectories shown. One ship (A) is close by; the other ship (B) is far away. Which ship gets hit ?rst?
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An object in free fall has an acceleration of 9.80 m/s 2 assuming that there is no air resistance. What is the speed of an object dropped from the top of a tall cliff 3.50 s a
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