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At a reception, a 0.5 kg chunk of ice at -10 degres Celsius is placed in 3.0 kg of "iced" tea at 20 degrees Celsius. At what temperature and in what phase will the final mixture be? The tea can be considered as water. Ignore any heat flow to the surroundings, including the container.
What is the radius of curvature of the mirror. How far would it coast before starting to roll back down.
A cylindrical 87.50ohm resistor is made from a coil of copper wire whose total mass is 18.0 g, What is the diameter of the wire
A refrigerator has a surface area of 6.04 m2. It is lined with 0.0885-m-thick insulation whose thermal conductivity is 0.0300 J/(s m C °). How much heat per second is being removed from the unit
A 5.00 kg box is pulled by a rope with a force of 25.0 N. Determine the acceleration of the boxes
Suppose you walk 18 m straight East and then 26.5 m straight South. How far are you from your starting point in meters
A textbook of mass 1.98kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.160m , find the tension in the part of the cord attached to the book
An ac generator supplies a peak (not rms) voltage of 120.0 V at 60.0 Hz. It is connected in series with a 50.0-Ω resistor, What is the rms voltage of the generator
What is the fundamental resonant frequency of the air column if the velocity of sound in the air is 340 m/s.
As an example, consider a coil of diameter 2.00 cm with 72.0 turns that is rotated about an axis perpendicular to the field at a rate of 20.0 Hz. If the maximum induced emf in the coil is 6.00 V, find out the strength of the magnetic field.
An engine does 20000 J of work and rejects 6120 J of heat into a cold reservoir whose temperature is 285 K. What would be the smallest possible temperature of the hot reservoir.
A potter's wheel, with a moment of inertia 36 kg*m2, is spinning freely at 40 rpm. The potter drops a lump of clay onto the wheel, what is the mass of the clay
A hydrogen atom initially in the ground state absorbs a photon, determine the wavelength and frequency of the photon
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