A kiln has a firing temperature of 1250.C. Observation window has an area of ​​1.2m2 . Assume kiln

is an absolute black body. Radiant power of furnace window? How to determine
A. 8505 W B. 366070 W C. 166113 W D. 138428 W

Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 n weight using a single fixed pulley?

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Aplane takes off from an airport and flies to town a, located d1 = 215 km from the airport in the direction 20.0° north of east. the plane then flies to town b, located d2 = 230 km at 30.0° west of north from town a. use graphical methods to determine the distance and direction from town b to the airport. (enter the distance in km and the direction in degrees south of west.)