The heat current across a certain cinductive material is H. If the cross-sectional area of the material is tripled and everything else remains the same, how is the heat current affected?

6–43 a food department is kept at 2128c by a refrigerator in an environment at 308c. the total heat gain to the food department is estimated to be 3300 kj/h and the heat rejection in the condenser is 4800 kj/h. determine the power input to the compressor, in kw and the cop of the refrigerator.

Abody covers a semicircle of radius 7cm in 5s .find its linear speed

Aspacecraft left earth to collect soil samples from mars. which statement is true about the strength of earths gravity on the moving spacecraft? a.) it decreases b.) it increases c.) it remains the same d.) it doesn’t affect the spacecraft