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A typical ice cube from your refrigerator contains about 1.50 in3 of ice. Determine the tons of refrigeration produced if the ice cube melts at 32.0°F in
(a) 24 hours and
(b) 1 hour.
Assume the density of ice at 32.0°F to be 0.0330 lbm/in3 .
A positive charge of q1 is located 4.40 m to the left of a negative charge q2. The charges have different magnitudes. How far to the left of the negative charge is one spot
An unstable particle with a mass equal to 3.34 10-27 kg is initially at rest. Find the masses of the fragments
A 0.50 kg mass is attached to a spring of spring constant 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what location are the potential ener..
The water passing over Victoria Falls, located along the Zambezi River on the border of Zimbabwe and Zambia, How much internal energy is produced per kg as a result of the fall
A 0.060-kg cart has a spherical dome that is charged to +1.0 x 10-5 C. How long will it take the cart to reach the bottom of the plane?
A 1.0 mW HeNe laser with wavelenght 633 nm is shown on a metal. The photocurrent is reduced to zero with stopping potential of 0.50 volts, What is the work function of the metal and what is the cutoff wavelength
On a cold day, 25000 J of heat leaks out of a house. The inside temperature is 22 °C, What is the increase in the entropy of the universe that this heat loss produces
A person steps out of the shower and dries off. Find the net rate at which energy is lost to the room through radiation by the naked person if the room temperature is 24oC
A 15.6 W resistor and a second resistor are wired in parallel to a dc power supply. The current in the 15.6 W resistor is 2.28 A; the current in the second resistor is 1.17 A. Calculate: a) the current in the circuit, b) the potential across the c..
An electron with an initial speed of 6.00x105m/s is brought to rest by an electric field. find the potential difference that stopped the electron
The size of an atom is approximately 10-8cm. to locate an electron within the atom, one should use electromagnetic radiation of wavelength not longer than, say, 10-9cm, what is the energy of a photon with such a wavelength
Find out the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.40.
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