Both reflecting and refracting telescopes are designed to work better with short-wavelength radiation
gather and focus visible light
separate visible light from ultraviolet and radio waves
break visible light into colors of the spectrum

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)

Which is an example of an exothermic process?

Which of these activities increases the amount of carbon in the atmosphere?