- #1
Dangousity
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Homework Statement
Motor running, brakes applied. how much heat in joules will be dissipated?
mass 250 kg
diameter 30 cm
3000 rpm
torque 120 N-m
Homework Equations
W=1/2 *I *w2
The Attempt at a Solution
I keep going the route of:
(1)/(2)*250*.3*315
1*125*.3*315
125*.3*315
37.5*315
11812.5 J
Can anyone show me what I am doing wrong?