A paper airplane moves at a constant velocity of 10 m/s to the east when there is no wind. What is its resultant velocity if a steady easterly wind of 19 m/s begins to blow?

Awalk up the phase change graph worksheet

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.

Convection currents are caused by differences in what two things?