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At 2432 m above sea level, Mount Olympus in Utah is the highest peak in Olympic Nantional Park. Let's say that the Greek god Sisyphus pushes Pandora's Box across the visitor center's horizontal floor at the top of Mount Olympus. If he does 3227.5 Joules of work as he pushes the 50 kg box 75 m across the floor while applying 45N of force, calculate the angle the pushing force makes with the horizontal.
The only force acting on a 3.0 kg body as it moves along the positive x axis has an x component Fx = -7x N, What is the velocity of the body at x = 4.9 m
The electric field on the axis of a uniformly charged ring has magnitude 400 at a point 6.0 from the ring center. Find the ring's charge
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
The water in a deep underground well is used as the cold reservoir of a Carnot heat pump that maintains the temperature of a house at 296 K. Determine the temperature of the well water
Smoke particles in the air typically have masses of the order of 10 to 16 kg. The Brownian motion (rapid, irregular movement) of these particles, resulting from collisions with air molecules, can be observed with microscope.
he beaker has a mass 15 grams when its empty the beaker plus the liquid has a mass of 38 grams. the liquid has a volume
The plates of a 3.5nF parallel-plate capacitor are each 0.21m^2 in area. how thick is the sheet
The component of the external magnetic field along the central axis of a 69-turn coil of radius 23.0 cm decreases from 1.90 T to 0.400 T in 1.70 s. what is the magnitude of the induced current in the coil
Four identical particles each have charge q and mass m. They are free from rest at the vertices of a square of side L. How fast is each charge moving when their distance from center of the square doubles.
calculate the emission temperature of the earth, if the planetary albedo is changed to that of ocean areas without clouds, about 10%
A sample of an ideal gas is at a temperature of 307 K. The rms molecular speed at this temperature is measured as 2767 m/s. Calculate the average molecular kinetic energy of this sample
The highest theoretical efficiency of a gasoline engine, based on the Carnot cycle, is 0.300 or 30.0%. If the heat engine absorbs 812 J of energy from the hot reservoir during each cycle, how much work can it perform in each cycle
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