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Two circuits are constructed using identical, ideal batteries (emf = E ) and identical lightbulbs (resistance = R). If each bulb in circuit 1 dissipates 3.30 W of power, how much power does each bulb in circuit 2 dissipate? Ignore changes in the resistance of the bulbs due to temperature changes.
A speed skater moving across frictionless ice at 8.80 hits a 4.20-m-wide patch of rough ice. What is her acceleration on the rough ice
croquet balls all have a mass of 0.5kg. the green ball is moving at 12.0ms and strikes a blue ball which is still after
A sinusoidal wave travels along a stretched string. A particle on the string has a maximum velocity of 1.40 and a maximum acceleration of 250 . Part A What is the frequency of the wave? Part B What is the amplitude of the wave?
Unpolarized light of intensity I0 is incident on three polarizing filters. What light intensity emerges from the third filter
How much work is needed to push a 132- kg packing crate a distance of 2.35 m up an inclined plane that makes an angle of 26 o with the horizontal, when inclined plane is frictionless
Consider a simple model for the interior of the Earth: there is a spherical iron core with constant mass density ?0 and radius a; outside the core is "rock" with constant density ?1. Calculate the radius a of the iron core
Flint glass has a refractive index of 1.645 for blue light and 1.629 for red light. When viewing an image these colors will not focus at the same location due to this effect. Find the focal length of both the blue and red light
A certain waffle iron is rated at1.03kW when connected to a 120-V source. What current does the waffle iron carry?
A patient with thyroid problems has radioactive iodine (123I53) deposited in his thyroid gland. If the 123I53 has an initial activity of 2.5 MBq, what is its activity after 24 days
Three 25.0-ohm resistors are connected in series across a 60.0-V battery. What is the equivalent resistance of the circuit and What is the current in the circuit
In a double-slit experiment, the second-order bright fringe is observed at an angle of 0.62°. If the slit separation is 0.10 mm, then what is the wavelength of the light? I'm getting 5.4104e-6 nm? But I'm not sure what I'm doing wrong. I've tried it ..
In an EM wave traveling west, the B field oscillates vertically and has a frequency of 88.0kHz and an rms strength of 6.35×10?9T
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