A10 ft diameter by 15 ft height vertical tank is receiving water (p 62.1 lb/ cu ft) at the rate of 300 gpm and is discharging through a 6 in id line with a constant speed of 5 fps. at a given instant, the tank is half full. find the water level and the mass change in the tank 15 min later.

i'm pretty sure its b i might be wrong though!

може ли да зареждате повече информация, моля

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )