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Draw a circuit diagram of two 50 Ohm resistors identical lightbulbs in series across a power supply providing 12V. Use theequivalent resistance, Rs, of the two bulbs in series to find thecurrent flowing through the circuit. From current, calculate thepower dissipated in each bulb.
Light of 650 nm is incident on two slits. A maximum is seen at an angle of 5.74° and a minimum of 6.46°. What is the order m of the maximum
A 1600 kg car is traveling along a straight road at 17 m/s. Two seconds later its speed is 24m/s. What is the magnitude of the net force on car during this time.
an arch of 120 degrees carries a total charge of q. the radius of the arch is r ignore the thickness of the wire. what
A single loop of copper wire moves at an unknown constant speed v into a region of uniform magnetic field B = 5.00 T. Calculate the induced current in the copper wire loop
In the Bohr model, the electron is imagined to move in a circular orbit about a stationary proton. If the speed of the electron were7.9 multiplied by 105 m/s, what would be the corresponding orbital radius?
A spherical navigation buoy is tethered to the lake floor by avertical cable. Determine the tension in the cable
A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 3.7 × 104 kg, and the force causes its speed to change from 7600 to 5500 m/s. What is the work done by the force
A hydrogen atom undergoes a transition from a 2p state to the 1s ground state. In the absence of a magnetic field, the energy of the photon emitted is 122nm. The atom is then placed in a strong magnetic field in the z-direction.
A cube of metal has a volume of 2.00 cm3 and a mass of 6.00 g when at rest on Earth. what is its density as measured by a stationary observer
A 45.0 kg girl is standing on a 152 kg plank. The plank, originally at rest, isfree to slide on a frozen lake, which is a flat, frictionlesssurface. What is her velocity relative to the surface of ice
A lens appears greenish yellow (λ=575 nm) when illuminated with white light. The index of refraction of the lens is 1.52. What is the minimum thickness of the coating (n=1.30) used on the lens to give it this hue?
A "swing" ride at a carnival consists of chairs that are swung in a circle by 19.3 m cables attached to a vertical rotating pole, Find the speed of the chair
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