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qUESTIONS

The distance between centre of the earth and moon is 384000 km. If the mass of the earth is 6 × 10^24 kg and G = 6.66 × 10^-11 Nm²/kg^2.The speed of the moon is nearly

Out of the following, the only correct statement about satellites is

If the radius of earth’s orbit is made 1/4th, then duration of an year will become

A satellite of the earth is revolving in a circular orbit with a uniform speed v. If the gravitational force suddenly disappears, the satellite will

1.Motion in a plane

Question: Six moles of an ideal gas performs a cycle shown in figure. If the temperatures are 𝑇 𝐴 = 600 𝐾 T A =600K, 𝑇 𝐵 = 800 𝐾 T B =800K, 𝑇 𝐶 = 2200 𝐾 T C =2200K and 𝑇 𝐷 = 1200 𝐾 T D =1200K, the work done per cycle is

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