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A large punch bowl holds 3.95 kg of lemonade (which is essentially water) at 20.0° C. A 0.42-kg ice cube at 10.2° C is placed in the lemonade. What is the final temperature of the system and the amount of ice (if any) remaining? Ignore any heat exchange by the bowl or the surroundings.° C kg
A tandem (two-person) bicycle team must overcome a force of 155 N to maintain a speed of 9.10 m/s. Find the power required per rider
An interstellar space probe is launched from Earth. After a brief period of acceleration it moves by a constant velocity, 72.0% of the speed of light. Its nuclear-powered batteries supply the energy to keep its data transmitter active continuously. T..
The isotope 88224Ra of radium has a decay constant of 1.19×10-6 per second. What is the half-life (in days) of this isotope
In an American football game, a 90.4 kilogram fullback running east with a speed of 5.07 m/s is tackled by a 94.0 kilogram opponent running north with a speed of 2.99 m/s. Obtain the mechanical energy lost as a result of the collision
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
a 8.9 microm thick fine metal foil separates one end of two pieces of optically flat glass. when a monochromatic light
gas is stored in a rigid container at 7 degrees c. the volume of the container is 2 cubic meters. the initial gauge
The 2 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 2 m. The block then slides d = 11 m on a rough horizontal surface before coming to rest. What is the coefficient of friction among the block an..
A wheel is rotating freely at angular speed 270 rev/min on a shaft whose rotational inertia is negligible. What fraction of the original rotational kinetic energy is lost
Three equal point charges, each with charge 1.00 , are placed at the vertices of an equilateral triangle whose sides are of length 0.350. Illustrate what is the electric potential energy of the system?
A defibrillator consists of a 15.3-µF capacitor that is charged to 8.4 kV. (a) If the capacitor is discharged in 1.0 ms, how much charge passes through the body tissues? (b) What is the average power delivered to the tissues?
A parallel-plate air capacitor has a capacitance of 940 pF. The charge on each plate is 2.10 µC. How much work is required to double the separation
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