Friday
April 25, 2014

Homework Help: physics

Posted by taryn on Sunday, April 7, 2013 at 8:01pm.

On its highest power setting, a microwave oven increases the temperature of 0.350 kg of spaghetti by 45.0C in 100 s.
(a) What was the rate of power absorption by the spaghetti, given its specific heat is 0.900 kcal/kgC?
W
(b) Find the average intensity of the microwaves, given they are absorbed over a circular area 20.0 cm in diameter.
W/m2
(c) What is the peak electric field strength of the microwave?
V/m
(d) What is its peak magnetic field strength?
T

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