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A black wood stove with surface area 4.6 \rm{ m^2} is made from cast iron 4.0 \rm mm thick. The interior wall of the stove is at 650 \rm { ^\circ C}, while the exterior is at 647 \rm { ^\circ C}. the rate of heat conduction through the stove wall is 280 kW. the rate of heat loss by radiation from the stove is 190kW.
find how much heat the stove loses by a combination of conduction and convection in the surrounding air.
Hooke's Law states that the force needed to stretch a spring is proportional to the amount the spring is stretched. If 10.0 N of force stretches a spring 4.00cm
A professor's office door is 0.90 wide, 2.00 high, 4.00 thick; has a mass of 30, and pivots on frictionless hinges. A "door closer" is attached to door and the top of the door frame. When the door is open and at rest, the door closer exerts the torqu..
What are the original charges on each sphere
A tennis player receives a shot with the ball ( 0.0600kg) traveling horizontally at 50.0 m/s, what is the impulse delivered to the ball by the racket
A 120-V fish tank heater has a power rating of 112 W. Calculate the resistance of the heater and Calculate the current through the heater
Under standard conditions, the density of air is 1.293 kg/m3 and that of helium is 0.178 kg/m3, What must be the minimum diameter of the spherical balloon
How much horizontal force should a sprinter of mass 57.0 exert on the starting blocks to produce this acceleration.
A transverse sinusoidal wave on a string has a period T = 25.0 ms and travels in the negative x direction with a speed of 30.0 m/s. At t = 0, What is the initial phase angle
A 10.0 kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. What is the speed of the crate when it arrives at the lower surface
Calculate the diameter of a 1.51 cm long tungsten filament in a lightbulb if its resistance is 0.507 ?
A charge Q is transferred from an initially uncharged plastic ball to an identical ball 11cm away. The force of attraction is then 19mN. How many electrons were transferred from one ball to the othe
The total amount of energy stored in an LC series circuit is 8.00 J. When the current through the inductor is equal to half its maximum value, how much energy is stored in the electric field
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