Simon and his friends are standing on a bridge. Simon's friends gently toss pebbles off the bridge. In contrast, Simon throws a pebble straight down. Which of these graphs best represents the velocity of Simon's pebble as a function of time (t), with t = 0 representing the moment that the pebble left Simon's hand?

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

Argon, neon, and xenon are examples of