Answer:
The answer is A
Explanation:
Independent variables don't have to depend on other factors of the experiment because they're independent
According to the formula

Where a is work, f is force and d is the distance that box was moved over. And from that formula, you can get that f = a/d and that is 54.83N of force
I need help on this to I have to get the answer fast
momm=massxvelocity
momm=1200x2.5=120x25=600x5=3000kgm/s
B) Copper atoms have a loosely held free electron in their outer shell that is able to move freely to other atoms.