Question

Help with physics questions, answers are there I just wanna check if theyre right

Answer 1

Which of the following is a derived unit that expresses electrical potential difference?
watt
volt
ohm
ampere <--- that one

If you divide force (kg*m/s^2) by acceleration (m/s^2) what units do you get?
kg*m^2/s^4
kg<--- my answer
1/kg
m/s

What is the difference between 3.150 m and 2.006 m with the correct number of significant figures?
1m
1.1m
1.14m<--- that one
1.144m

your thermodynamics calculation involves mass and a change in temperature. What SI units would you choose?
mole and kelvin
kilogram and degrees celsius <--- this one
gram and mole
kilogram and kelvin

Answer 2

One at a time perhaps. First question. What is another term used to describe electric potential difference?

Answer 3

volt ?