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an electric transformer is in a cylinderical tank 60cm in diameter and 1 meter high, with a flat top and bottom. If the tank transfers heat to the air only by natural convection, and the elctrical losses are dissipated, at a rate of 1kW, how many degrees will the tanks surface rise above room temperature?
Two protons are located on the x-axis at 1.0m and on the y-axis at 1.5m. Determine the electric potential energy of a third proton located at the origin
Using Einsteins formula
A 4 m long rope weighing 1.4 N is stretched so that the tension is 10 N. The left end is then made to oscillate vertically at 4 Hz by shaking the rope up, What is the speed of the traveling waves on the rope
A young girl with mass 35.5kg is sliding on a horizontal, frictionless surface with an initial momentum that is due east and that has magnitude 86.0kg?m/s, How much work has been done on the girl by the force in the time interval from t= 0s to the ..
The ball rolls off the edge and falls a vertical distance of 2.00 m before hitting the floor. Illustrate what is the angular displacement of the ball while the ball is in the air?
A block with mass m = 7.0 kg is attached to two springs with spring constants kleft = 37.0 N/m and kright = 48.0 N/m. The block is pulled a distance x = 0.21 m to the left of its equilibrium position and released from rest. 1) What is the magnitud..
110 grams of boiling water (temperature 100° C, heat capacity 4.20 J/gram/K) are poured into an aluminum pan whose mass is 1000 grams and initial temperature 24° C (the heat capacity of aluminum is 0.9 J/gram/K).
Consider an LC circuit in which L = 470 mH and C = 0.102 µF. What is the resonance frequency and If a resistance of 1.30 k? is introduced into this circuit, what is the frequency of the damped oscillations
A stone is dropped into a river from a bridge 43.90 m above the water. Another stone is thrown vertically down 1.00 after the first is dropped. The stones strike the water at the same time.
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. This monument rises to a height of 192 m. You estimate your line of sight with the top of the arch to be 4.5° above the horizontal. Approxim..
How long does it take the projectile to reach the top of its trajectory? Explain how high does the projectile go before it begins to fall?
If the tension in each chain at the lowest point is 408 N, find the child's speed at the lowest point.
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