how much power does an electric device use if the current is 36.0 amps and the resistance is 3.9 ohms? a. 140 watts b. 5,100 wat
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answer
v = 4.2
set up an equation
we can use the formula for kinetic energy since we know mass and kinetic energy
K =
v =
values
K = 0.013 J
m = 1.5g = 0.0015 kg
plug in values
v =
v = 4.2