The radius and mass of earth are increased by 0.5%. Which of the following statements are true at the surface of the earth
(a) g will increase
(b) g will decrease
(c) Escape velocity will remain unchanged
(d) Potential energy will remain unchanged
Answer: Answer: (b,c,d)
(12)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (126)