What's the internal heat gain in kW from a factory with 20 kW of surface- mounted lighting, 10 kW of running electric motors and 10 people doing light bench work? A. 23.8 B. 20.0 C.20.8 D.17.8

What are the factors that affect the resistance of a wire?

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?