A 1295 kg car is driving down the road at a constant speed of 24.4 m/s. The engine exerts a 1450 N force northward, what is the sum of all southward forces exerted on the car?

The air that we breath is made mostly of which gaseous molecule

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.

Ineed ! using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.