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A 6.0 V battery is connected to two 7.90 kilo-Ohm resistors in series. An ammeter of internal resistance 0.560 Ohm gauges the current and at the same time a voltmeter with internal resistance 15.5 kilo-Ohm gauges the voltage across one of the 7.90 kilo-Ohm resistors in the circuit. What does the ammeter read?
The rms electric field of an electromagnetic wave increases from 320 to 960 N/C. (a) Determine the wave intensities for the two values of the electric field. (b) What is the rms magnetic field associated with each electric field? (c) Determine the wa..
Through an adiabatic process, the temperature of 3.62 {\rm mol} of a monatomic ideal gas drops from 480{\rm ^\circ C} to 240{\rm ^\circ C}. Discover the heat the gas exchanges with its surroundings
Tarzan, who weighs 670 Newton, swings from a cliff at the end of a convenient vine that is 18 meter long. Find what would the greatest force on the vine be during the swing
An astronaut at rest on Earth has a heartbeat rate of 75 beats/min. When the astronaut is traveling in a spaceship at 0.89c, what will this rate be as measured by the following: an observer also in the ship, an observer at rest on Earth
Three polarizers are stacked with a successive change in angle30. If the initial intensity of the incident unpolarizedlight is 20 W/m^2 what is the intensity transmitted
solar cells are often coated with a transparent thin film of silicon monoxide sio n 1.45 to minimize re?ective losses
write a three to five 3-5 page paper in which you1 procedures in the physical sciences challenges in
A block of ice with a mass of 3000kg is being pulled along a horizontal surface by a force F=300N at 30 degrees. Calculate the work done by this force in moving the ice 50.0m
You and a friend have been given the task of designing a display for the Physics building that will demonstrate the strength of the electric force, calculate the necessary amount of charge on the marble for a reasonable ramp angle of 15 degrees
A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. What is the speed of the neutron after the collision
(a) Determine the sound intensity at each of the three patches. (b) The sound power that passes through each of the patches is 2.00 10-3 W. Find the area of each patch.
A simple harmonic oscillator has a potential energy of 25x2 Joules, a kinetic energy of 0.5v2 Joules where x is the displacement in meters and v the instantaneous velocity in m/s. determine the maximum instantaneous velocity
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