Question

Q:The acceleration due to gravity on the moon it 1/6 of its value on Earth. If an object
weighs 20 N on the moon, what is its mass on Earth?
A) 2 kg B) 7.2 kg C) 12 kg D) 60 kg E) 72 kg

Q:A heat pump warms a house by absorbing 90 joules of het and doing 60 J of work on the
pump. The heat then delivered to the house is
A) 5,400 JB) 150 J.C) 30 JD) 1.5J E) 0.67J
Ans with sol of both of questions plz​

Answer 1

Answer: Mass remains constant everywhere

Explanation:

Answer 2

Answer:

12 kg

option (C)

Explanation:

mass remains constant no matter which part of universe you are at