Answer:
Explanation:
Recall that density is defined as and that relative uncertainty is defined as where is the uncertainty in the measure and a the measure, To find the uncertainty when two physical quantities are divided, their relative uncertainties are added and then multiplied with the division result of the quantities.
We have:
To find the percent uncertainty, we multiply the relative uncertainty by 100%.
Answer:
When forces on a object become unbalanced, the object moves.
Explanation:
I think it’s mechanical waves..
The answer would be C.30J
the input force is either by hand or electric power. The output force is the the metal at the top of the can being removed and the movement around the can opener