Answer:

Explanation:
Gravity on the surface of planet is given as

as we know that


now gravity on the planet is

so we have

now we know that

so we will say



Answer:
it would probably be the same but if the moon is closer gravity would infect us humans
Explanation:
Answer: The net displacement is 6.40meters
Explanation:
It will not explode since the mass of the cotton balls is so low but rather will most likely break the lock and hinges and come out.
Answer: Recall that
Work (W) = - e × ∆V
Where
Charge of electron= 1.6 × 10^ -19 c
And from the question we were given change in potential as = -0.0677V
Work = - (1.6 × 10^-19) × (-0.0677)
Work= 1.0832 × 10^-20J
Therefore the work done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside is 1.0832×10^-20