Determine the moment of inertia of the pulley
A mass of 1.90 kg is joined to a light cord which is wrapped around a pulley of radius 5.20 cm, which turns having negligible friction. The mass falls at a constant acceleration of 3.65 m/s2. Determine the moment of inertia of the pulley.
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Determine the numbers of kJ of energy are needed to change 1.00 m3 of pure water by the 1.0 degrees C? Assume a perfect system. The specific heat of the water is 4.184 J/gC and the density of water is 1.000 g/mL.
Cables are parabolic in shape and suspended from tops of towers. Cables touch road surface at center of bridge. Determine height of cables at the point 100 meters from center.
Determine the horizontal and vertical components of force applied on the left end of the rod by the hinge. (Take up and to the right to be the positive directions.)
The specific heat of the water is 4.184 J/g C. Assume a solution density of 1.00g/mL. 20.12 grams of butane, C4H10, was combusted with oxygen in a bomb calorimeter.
Sodium acetate behaves as a strong electrolyte in an aqueous solution, yielding Na+ cations and CH3CO2- anions. A particular solution of sodium acetate has a pH of 9.07 and a density of 1.0085g/mL.
The wheelchair ramp has to be built. If angle has to be 5 degrees and c=15 feet, how high is ramp and how long is ramp along ground?
Determine the numbers of grams of dry NH4Cl need to be added to 1.90 L of a 0.600 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.67? Kb for ammonia is 1.8 x 10-5.
What power output of the rider is needed to maintain a constant speed of 3.2 m/s (around 7.2 mph) up a 5.0% grade (a road which increases 5.0 m for every 100 m all along the pavement)? Suppose that frictional losses of energy are negligible.
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