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Quasars are believed to be the nuclei of galaxies in the early stages of their formation. Suppose that a quasar radiates electromagnetic energy at the rate of 1.60e41 W. At what rate (in kg/s) is the quasar losing mass as a result of this radiation?
A sphere of radius 1.0 cm is dropped into a glass cylinder filledwith a viscous liquid. The mass of the sphere is 12.0 g and thedensity of the liquid is 1200 kg/m3. The sphere reaches a terminalspeed of 0.15 m/s. What is the viscosity of the liquid?
A cylinder of length L = 18 cm and radius R = 5.4 cm has its center at the origin and its axis along the x axis such that one end is at x= +9 cm , What is the net charge inside the cylinder
What is the peak voltage? What is the rms value of the current drawn by the heater? What is the resistance of the heater?
Consider the possibility of a new design for an electric train. The engine is driven by the force on a conducting axle due to the vertical component of Earth's magnetic field. Determine how much power would be lost for each ohm of resistance in the..
A uniform electric field of magnitude 435 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. What is the work done by the field on the electron
A tiny particle of density 3275 kg/m3 is at the same distance from the Sun as the Earth is (1.5 1011 m). Assume that the particle is spherical and perfectly reflecting. What would its radius have to be for (the force due to) the outward radiation pre..
Two arrows are fired simultaneously with the same speed of 30.0 m/s. What is the magnitude of the total momentum of this two-arrow system
A 0.145 kilogram glider is moving to the right on a frictionless, horizontal air track with a speed of 0.81 meter per second. Obtain the final velocity of each glider if the collision is elastic
The football team is planning a trip to a sports museum. The cost for renting a bus is $330. The cost will be divided equally between those going on the trip. A museum ticket costs $13.50 per person. Write an equation that gives the cost of the trip ..
How does the speed v1 of a swimmer reaching the end of slide 1 compare with v2, the speed of a sqimmer reaching the end of slide 2.
The path of a charged particle moving parallel to a uniform magnetic field will be:
If you have a long vector pointing to the right and a vector about half that length pointing to the left what is the resulting velocity vector
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