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HomePhysicsThe gravitational force between two point masses m1 and  m2 at separation r is given by  F = k  m1 m2/r2 The constant k

The gravitational force between two point masses m1 and  m2 at separation r is given by  F = k  m1 m2/r2 The constant k

(a)      Depends on system of units only

(b)  Depends on medium between masses only

(c)   Depends on both (a) and (b)

(d)  Is independent of both (a) and (b)

Answer:  a

(63)

5/5 - (1 vote)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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