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The question reads: A spaceship is approaching a space station at aspeed of 1.8 x 105 m/s. The space station has a beacon thatemits a green light with a frequency of 6.0 x 10^14 Hz. Whatis the frequency the beacon observed on the spaceship? What is the change in frequency?
A cockroach of mass m lies on the rim of a uniform disk of mass 8 m that can rotate freely about its center like a merry-go-round. determine the angular velocity of the cockroach-disk system
During normal operation, a computer's hard disk spins at 5400 rpm. what is the average angular acceleration of the hard disk
An electric field is = sign(x)·(340 N/C), where sign(x) equals ?1 if x 0. A cylinder of length L = 16 cm, What is the flux through the curved surface of the cylinder
Water flows through a horizontal pipe of cross-sectional area 10.0 cm2 at a pressure of 0.250 atm. What is the pressure at the valve
A 2 kg particle is acted on by the constant force F=3Ni-4Nj and is displaced from the origin to position s=12mi+5mj, how much work does the force do on the particle
A flywheel turns through 28 rev as it slows from an angular speed of 3.3 rad/s to a stop. Assuming a constant angular acceleration, find the time for it to come to rest
During heavy rain, a section of a mountainside measuring 3.4 km horizontally, 1.2 km up along the slope, and 0.53 m deep slips intoa valley in a mud slide
A stone is dropped at t = 0. A second stone, with 6 times the mass of the first, is dropped from the same point at t = 56 ms. How fast is the center of mass of the two-stone system
A hanging copper wire with diameter 1.4mm (1.4e-3m) is initially 0.95 m long. Find the approximate value of the effective spring stiffness of the inter atomic force
A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. At a distance of 4.00 km from the source, What is the average power radiated by the source
The energy required to dissociate 1 mol of O2 to form 2 mole oxygen is 118kcal. find the wavelength of the photon
A thermodynamic system is operated at a constant pressure of 2 atm. What is the new volume of the system
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