Proton and neutron because e does not matter much
and the mass of atom as you already know is consist of p and n
The rails expand during the heat of a summer day
First, we need to know what's the gravity value in the moon. it is 1.622 m/ s2
to find the force, let's recall this formula----> Force= mass x gravity
force= 83 kg x 1.622= 134.6
A is the closest choice.
Answer: A = 1560
B = 1.6
Explanation: brainlest please
