What is the approximate dew point temperature when the dry-bulb temperature is 18°C and the wet-bulb temperature is 14.5°C?

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?

The diagram shows a boulder rolling down a hill into a valley and then up the opposite hill. at which position does the boulder have the greatest kinetic energy? a b c d

If frequency goes up, what happens to wavelength? does it get shorter or longer?