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The total charge Q is placed on a conductingshell. In the cavity of the conductor, you have a charge q. What is the charge on the outer surface of the conducting shell?
The magnitude of the air resistance that opposes its downward motion is 258 N. Explain what is the magnitude of the acceleration of the rock?
A certain photon after being scattered from a free electron at rest moves at an angle of 120° with respect to the incident direction. what is the wavelength of the scattered photon
At what height above the surface of the earth does the balloon have a speed of 7-m/s.
A cylinder 0.150 in diameter rotates in a lathe at 620. What is the tangential speed of the surface of the cylinder
A laser emits a monochromatic beam of wavelength λ, which is reflected normally from a plane mirror, receding at a speed v. What is the beat frequency between the incident and reflected light?
A space traveler weighs 130 pounds on earth. What would the traveler weigh on another planet whose radius is three times that of earth and whose mass is twice that of earth.
A 134g baseball moving 28.6 strikes a stationary 5.20kg brick resting on small rollers so it moves without significant friction. What is the baseball's speed after the collision
A ball is launched directly upward from the ground level with an initial speed 24 m/s. What is the greats height reached by the ball
An electron in the hydrogen atom is in an excited state given by (n=4, l=3, ml=2, ms=1/2). List the possible final states the system could be in after the emission of photon. Include in the list the energies of the photon.
what is the shortest height a plane mirror must be so that a person 1.60 meters tall is able to see his or her whole body.
A wire of resistance 9.0 is connected to a battery whose emf script e is 5.0 V and whose internal resistance is 1.0. How much energy appears in the wire as thermal energy in that time
When starting a foot race, a 70.0-kg sprinter exerts an average force of 650 N backward on the ground for 0.800 s. What is his final speed
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