Frequency of small oscillations
A pendulum is made of a uniform stick of length L. It is allowed to swing in a vertical plane. Where should the pivot be placed on the stick so that the frequency of (small) oscillations is maximum?
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An object floats in water, with 55% of its volume submerged. What is its approximate density?
If Jeff and Jack each bowl one game, then assuming that their scores are independent random variables, approximate the probability that the total of their scores is above 285.
A mercury barometer reads 770.0 mm on the roof of a building and 785 mm on the ground. Assuming a constant value of 1.29 kg/m3 for the density of air, determine the height of the building.
The shark tank at an aquarium houses 5 sharks that deplete theaquarium water of a total of 50.00 grams of oxygen per hour. Waterfrom the tank is diverted through a bubbler unit that oxygenatesthe water using a stream of oxygen-rich air, and then i
The laser in most supermarket barcode scanners operates at awavelength of 632.8 nm. What is the energy of a single photonemitted by such a laser? What is the energy of one mole of these photons?
A researcher with Ministry of Transportation is commissioned to study the drive times to work (one-way) for U.S. cities. The underlying hypothesis is that average commute times are different across cities.
A uniform stick is held horizontally and then released. At the same instant, one end is struck with a quick upwards blow. If the stick ends up horizontal when it returns to its original height, what are the possible values for the maximum height t
Assume that the result is a sample size beyond what you can obtain. Use the compromise function to compute alpha and beta for a sample approximately half the size.
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