Answer:
B
Explanation:
The mass of something before it's been processed is the same as it's mass after the process.
They are electric, so they don’t need fossil fuels, you plug them into an outlet. They could go solar power that would be cool
Answer:
Option A
interpreting results
Explanation:
In a Scientific research, we first formulate and test hypothesis of the study. A hypothesis is a tentative guess in the study which should be validated in the process of the study. We may have a null and alternative hypothesis. After formulating the study, we conduct the actual study where we get raw data. The raw data is then analyzed, in many cases using statistical analysis tools such as R, python, excel spreadsheet etc. Therefore, the next step after formulating and objectively testing hypotheses is to interpret the results.
<span>Answer:
q Cu = q H2O
so,
(121g)(0.385 J/g-K)(100.4C-x) = (150g)(4.18 J/g-K)(x-25.1C)
x= 30.3C</span>
The full form of IMA is an “ideal mechanical advantage”