Answer:
weight hung from a fixed point so that it can swing freely backward and forward.
1.2 x 10^10 mm^3 is equivalent to 12.0 m^3
Answer:
a. 4 sig figs
b. 3 sig figs
c. 2 sig figs
Answer:
Regions of the Electromagnetic Spectrum
Wavelength (m)Frequency (Hz)Radio> 1 x 10-1< 3 x 109Microwave1 x 10-3 - 1 x 10-13 x 109 - 3 x 1011Infrared7 x 10-7 - 1 x 10-33 x 1011 - 4 x 1014Optical4 x 10-7 - 7 x 10-74 x 1014 - 7.5 x 1014