Emma is working in the laboratory to determine the density of a rectangular piece
of solid iron. What are two tools Emma should use to determine the density of the
iron?

Stion 13 of 20 : select the best answer for the question. 13. if a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°c, what will be the volume at 50°c? a. 0.002021624 m3 b. 0.004021624 m3 c. 0.000010812 m3 d. 0.002010812 m3

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f