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2. Identify What is the
largest type of star?

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

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?

Of is j/kg·k. if a 2.6 kg of isk to k,is ?