(16.5 m/s + 5 m/s) ÷ (40 m) = 0.5375 Hz
1 ÷ 0.5375 Hz = 1.86 s
round up and you get 1.9 s, so the answer would be A.
Answer:
D. Magnification / size of drawing
Explanation:
You would calculate a scale for your drawing when using a microscope by magnification / size of drawing.
Answer:
There are four major types of nonrenewable resources: oil, natural gas, coal, and nuclear energy. Oil, natural gas, and coal are collectively called fossil fuels.
