Answer:
Second one
Explanation:
Lying on the floor is something you can do with the least amount of energy
Answer:

Explanation:
From the question we are told that:
Far point is 
Near point is 
Therefore
Focal Length

Generally the equation for the Lens is mathematically given by



Because they are. it’s just how life works
Answer:
A wire carrying a 30.0-A current passes between the poles of a strong magnet that is perpendicular to its field and experiences a 2.16-N force on the 4.00 cm of wire in the field. What is the average field strength?
Explanation:
hope this helps trying to be brainliest
PV = 400 x 0.08 = 32 J
Hope this helps