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Each of the objects above is composed of identical thin sticks of uniformly distributed mass 6.55 kg and length 0.675 m. What is the moment of inertia of each object about a rotation axis perpendicular to the screen and passing through the black dot?
The human eye is able to detect as little as 2.35 × 10-18 J of green light of wavelength 510 nm. Calculate the minimum number of photons of green light
A 2.09-g particle moves at 1.85 × 108 m/s. What is its momentum
A plastic pipe has an inner radius of a = 35.00 cm and an outer radius of b = 60.00cm. Electric charge is uniformly distributed over the region a
an electron is accelerated through an electric potential of 267 v then enters a 37 gauss magnetic field in a direction
A hydraulic lift is lifting a car that weighs 13 kN. The area of the piston supporting the car is A, How far must the small piston be pushed down to raise the car a distance of 1.3 cm
He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.
Detrmine the maximum mass of the crate so that the tension devloped in any cable does not exceeded 6.8 kN - Express your answer to three siginificant figures and include the appropriate units.
In an X-ray tube, electrons with energy 38 keV are incident on a cobalt (Z = 27) target. Compute the cutoff wavelength for X-ray production
A 1.2 kg particle moves from an initial position r1 = 4i - 2j + 3k m to a final position r2 = 7i - 3j -4k m while a force F = 6i - 4j + 2k N acts on it. What is the work done by the force on the particle
A copper sheet of thickness 3.90 mm is bonded to a steel sheet of thickness 4.40 mm. The outside surface of the copper sheet is held at a temperature of 170.0 °C and the steel sheet at 34.0 °C.
A lonely party balloon with a volume of 2.40 L and containing 0.100 mol of air is left behind to drift in the temporarily uninhabited, Calculate the entropy change of the air during the expansion
Consider an aircraft powered by a turbojet engine that has a pressure ratio of 12. The aircraft is stationary on the ground, held in position by its brakes. determine the force that must be applied on the brakes to hold the plane stationary
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