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A total charge of 0.003 C is shared with two metallic spheres A and B of radii 5 cm and 2 cm that are connected with a long thin wire of length 7 m. discover the charge on sphere A.
Discover the tension in the wire.
a fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. the
A photon with wavelength 0.02680 nm strikes a free electron that is initially at rest. What is the energy of the scattered photon
A pitcher throws a curveball that reaches the catcher in 0.55 s. What is the angular displacement of the baseball as it travels from the pitcher to the catcher
Using the mass-luminosity relationship if a main sequence star has a luminosity of 3000 times the luminosity of the Sun, what is its mass in relation to the Sun?
At what angle must the cannon be fired
Calculate the entropy change for the following system: One kilogram of 80 C aluminum is placed into 2L of 20 C water in a container with negligible heat capacity and adiabatic walls. The water and aluminum reach thermal equilibrium. Assume specific h..
A proton is released from rest inside a region of constant, uniform electric field E1 pointing due North. 27.3 seconds after it is released, What is the ratio of the magnitude of E2 to the magnitude of E1
A farsighted person has a near point that is 48.0 cm from her eyes. Find the focal length of the eyeglasses
Light with a frequency of 2.77 x 1015 Hz strikes a metal surface and ejects electrons that have a maximum kinetic energy of 7.0 eV. What is the work function (in eV) of the metal?
In an EM wave the electric field oscillates 4 X 10^14 HZ at in the North - South direction. In what direction is the magnetic field oscillating
A spring is compressed by 0.0620m and is used to launch an objecthorizontally with a speed of 1.50m/s. at what angular frequency (rad/s) would itoscillate at
A Cu wire of 60m length is in a maganetic field of1.20T. If it has a mass of 25g, what is the minimum current through the wire
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