Answer:
A
Explanation:
they are atoms of the same element that have the same number of protons but different number of neutrons.
Answer:
sorry- but what........?!
Answer:
The work is calculated by multiplying the force by the amount of movement of an object (W = F * d). A force of 10 newtons, that moves an object 3 meters, does 30 n-m of work. A newton-meter is the same thing as a joule, so the units for work are the same as those for energy – joules.
Explanation: