How much energy is gained
How much energy is gained by 10 kg of silver if it is heated from 21 degrees celsius to 35 degrees celsius?
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A sailor on the deck of the ship sights the top of the lighthouse at an angle of 30o above the horizontal. If the sailor"s eye is 14 ft above the water, how far is the ship from the rocks?
When 950 A of current is in each rod in the same direction, the spring is observed to be compressed by 2.0 cm. Treat the rods as long, straight wires and find the separation between them when the current is present.
An AC power generator produces 50 A (rms) at 3 600 V. The voltage is stepped up to 100 000 V by an ideal transformer and the energy transmitted through a long-distance power line with a total resistance of 100 Omega. What is the rms current in the
The permittivity of free space is 8.85 × 10-12 C2/N · m2. Neglecting the curvature of the earth, cal- culate the volume charge density of the at- mosphere assuming it to be uniform between 268 m and 414 m. Answer in units of C/m3.
Explain the Condorcet Paradox, the failure of majority rule to produce transitive preferences for society. Explain Arrow’s impossibility theorem. What does this say about society's choices?
What would be the formula f(t) for a sine function that has twice the amplitude of the above wave and a frequency of 1000 Hz?
Review the information from the regional data and exit interviews, focusing on the major patterns that are associated with store-level turnover. What appear to be the most significant problems for Tanglewood based on this information?
If the sound intensity falls through one complete cycle every 5.50 seconds. The crests in the room is 1.121010W/m2 , what is the intensity outside?
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