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December 6, 2016

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 45.0°C in 100 s.
(a) What was the rate of power absorption by the spaghetti, given its specific heat is 0.900 kcal/kg·°C?
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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