Engineering, 20.12.2019 20:31 saraaaaaaaa20
You have a steel ball bearing with a diameter of 12mm (k=40.0 w/(m-k); density = 7800.0 kg/m^3; and specific heat = 600.0 j/(kg- the ball bearing is initially at a uniform temperature of 1150 k and is then suddenly exposed to convection with a convection temperature of 325.0k and a convection coefficient of 20.0 w/(m^2-k). calculate the following: a. calculate the time required to cool this ball bearing down to a temperature of 400.0 k. b. calculate the amount of heat removed from the ball bearing during this cooling process
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You have a steel ball bearing with a diameter of 12mm (k=40.0 w/(m-k); density = 7800.0 kg/m^3; an...
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