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An aluminum block (c=0.22 kcal/kgoC) of mass 1 kg and temperature 964oC is dropped into 11 liters of water at 26 oC. What is the final temperature of the water and aluminum once they reach their equilibrium temperature? Please show work.
A metal bar is used to conduct heat. When the temperature at one end is 100 C and at the other is 20 C, what will be the rate of heat transfer
how much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at constant speed).
A total charge Q = 2.7 mC is distributed uniformly over a quarter circle arc of radius a=9.3 cm, What is lamda the linear charge density along the arc
A 60 kg woman in an elevator is accelerating upward at 1.2 m/s^2. what is the normal force pushing upward on her feet
During an all-night cram session, a student heats up a one-half liter (0.50E-3 m^3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
A small object with a mass of 360 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are detached by 2.40 cm. If the thread makes an angle of 17.0° with the vertical, what..
Heather and Mathew walked eastward with a speed of 9.8 m/s. If it takes those 34 min. to walk to the store, how far have they walked.
A u-tube with a cross-sectional area of 1.00 cm^2 is open to the atmosphere at both ends. WAter is poured into the tube until the water rises part way along the straight sides, What is the density of the oil
An object is formed by attaching a uniform, thin rod with a mass of mr = 6.92 kg and length L = 4.92 m to a uniform sphere with mass ms = 34.6 kg and radius R = 1.23 m. What is the moment of inertia of the object about an axis at the left end of th..
A dart is thrown horizontally with an initial speed of 16 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, How far away from the dart board is the dart released
A motorboat is pointed due south, and its motor gives the boat a constant speed of 5.00 m/s through still water. Find the magnitude and direction of the boat's total velocity
Two forces, and act at a point. The magnitude of is 9.80, and its direction is an angle 57.0 above the x-axis in the second quadrant. The magnitude of is 6.2, and its direction is an angle 52.7 below the x-axis in third quadrant.
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