To increase the number of snowmen destroyed, you would want more energy and all of the above would increase the energy of the system so D.
Then the magnitude of the net force is the difference between the two forces,
and its direction is the same as the direction of the greater one.
You are at rest with respect to the car.
You are in motion with respect to the School.
I think it's 3. within an outer arm
Complete Question
The complete question is shown on the first uploaded image
Answer:
The workdone is 
Explanation:
From the question we are told that
The initial Volume is 
The final volume is 
The external pressure is
Generally the change in volume is

Substituting values we have


Generally workdone is mathematically represented as

W is negative because the working is done on the environment by the system which is indicated by volume increase
Substituting values


Now 
Therefore 
