C. Specific gravity is the answer
Answer
Doggy beds and pillows haven't always been around, so wild dogs had to pat down tall grass and underbrush to make a comfortable bed for themselves and their pups. The easiest way to prepare that night's sleeping area was by walking around in a circle. The rounding ritual may also have served as a safety precaution.
Answer:
Mike can travel 80 Km in 4 hours
Answer:
Explanation:
Be M1 and M2 the two massive objects and m the third one
The gravitational force over the third object at the beginning is zero (assuming that the position of the third object is x=0)

when the third object is displaced we have that the new position is x=Δx. Hence

I attached a scheme of the system
I hope this is useful for you
Regards
Answer:
I mean its probably a magnet so look at the fraction of the initial Kinetic Energy of magnets
Explanation: