A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave? Group of answer choices

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?