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Question: Suppose a hiker falls into a crack in a glacier while mountain climbing. Assume the ice moves as a Newtonian fluid with viscosity = 250 x 106 CP and sp. gr. = 0.97 and assume the glacier is 15-m deep and is on a slope that falls 1.5 m every 1850 rn. In order to determine how long before the professor appears at the bottom of the glacier a model is to be constructed
Define nuclear fusion and explain it with the help of the Binding Energy per Nucleon. Why would not this reaction happened naturally on Earth?
Based on EPA estimated carbon credits value of $70 per metric ton of carbon in 2050, estimate the financial value of the carbon market for the coal-fired electricity system in the US. Briefly put that dollar value in perspective.
A 25-g string is streched with a tension of 43.0 N between two fixed points 12.0 m apart. What is the frequency of the second harmonic
A nuclear power plant generates 3000 MW of heat energy from nuclear reactions in the reactor's core. What is the plant's actual efficiency
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is utilized in medical laboratories, for instance, to cause the more dense red blood cells to settle during the less dense bl..
Suppose you have a circuit consisting of a resistance R = 54 ?, an inductor with L = 36.4 mH and internal resistance r = 30 ?, What is the frequency of the damped oscillations of this circuit
A golf ball is hit off a tee at the edge of a cliff. Its x and y coordinates as functions of time are given by x = 19.9t and y = 4.08t ? 4.53t2, obtain the expression for the acceleration vector as a function of time
In a small volume dV, calculate the number of molecules that should convert from X to Y to change the entropy by kB in terms of the number of molecules X in the considered volume.
An ice chest at a beach party contains 15 cans of soda at 3 ° C. Each can of soda has a mass of 0.38 kg, determine the final temperature T of the soda and watermelon
A sound wave propagating in air has a frequency of 4.45 kHz. Estimate the change in wavelength when the wave, initially traveling in a region where T = 27°C, enters a region where T = 11.5°C
A flywheel with a diameter of 1.12 m is rotating at an angular speed of 254 rev/min. What is the angular speed of the flywheel in radians per second? What is the linear speed of a point on the rim of the flywheel?
A sodium atom (Z = 11) contains 11 protons in its nucleus. Strictly speaking, the Bohr model does not apply, as the neutral atom contains 11 electrons instead of a single electron. but, we can apply the model to the outermost electron as an approxima..
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