Answer:
agree because there is always a force that causes motion..
Answer:
Pluto's orbit brings it inside the orbit of <u>Neptune</u>.
Answer:

Explanation:
Given that,
The mass of a Moon, 
The mass of the Earth, 
The moon's mean orbit distance around the earth is, 
We need to find the gravitational force exerted on the moon by the Earth.
The formula of gravitational force is given by :

So, the required force is
.
Answer:
The 2nd option
Explanation:
It slows down the transfer of thermal energy from inside to outside the coat.
Answer:
Higher.
Explanation:
The greater the frequency the bigger the amplitude gets and the greater pitch gets.
Think - more energy, bigger waves, more waves, and higher sound