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Suppose 0.0330 kg of steam (at 100.00°C) is added to 0.330 kg of water (initially at 21.1°C.). The water is inside an aluminum cup of mass 48.9 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside environment. Find the final temperature (in °C) of the water after equilibrium is reached.
A 3.60 {rm m}-long, 430 {rm kg} steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66 {rm kg} construction worker stands at the far end of the beam.
The resistance of a 9 H inductor is 90.0 ohms, What is the final steady current in the circuit
A boy throws a 1.5 kg rock upward. To do so the boy applies a constant 38.5 N force upwards on the rock from point a to point b. after that the rock continues upward to its highest height at point c.
A stone is thrown into the air with an initial velocity of 50 m/s at 37degress to the horizontal, find the total horizontal distance it travels
A bus makes a trip according to the position time graph shown in the drawing. Find the average velocity (magnitude & direction) of the bus during each of the segments labelled A, B, & C?
Assume we have an infinitely long wire carrying a current of 2-A. It is bent into an L-shape extending into positive infinities along the x- and y- axes. Find out the magnitude of the magnetic field at a point P with coordinates (0.3 m, 0.3 m).
A playground merry-go-round has a disk-shaped platform that rotates with negligible friction about a vertical axis. how fast will the disk be turning
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Identify the average force that the water exerts on the diver. This force is nonconservative.
The color of many ceramic glazes comes from cadmium compounds, If a piece of cadmium with mass 65.6 g and a temperature of 100.0°C is dropped into 25.0 cm3 of water at 23.0°C, what will be the final temperature of the system
If a car of mass 1000 kg is moving along a highway at 92 km/h, what is car's kinetic energy as determined by someone standing alongside the highway.
guess the force between a proton and an electron at the Bohr radius of 0.5Å (1 Å=10-10 m). The magnitude of the charge of an electron, as well as a proton, is 1.6·10-19 C.
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