28. the maximum distance that the particles of a medium move from the rest position is the a. amplitude of the wave. b. wavelength of the wave. c. frequency of the wave. d. speed of the wave

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?

The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.

The heliocentric and the geocentric models of the solar system included these central principles