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Suppose that a parallel-plate capacitor has circular plates with radius R = 40.0 mm and a plate separation of 4.0 mm. Suppose also that a sinusoidal potential difference with a maximum value of 340 V and a frequency of 120 Hz is applied across the plates; that is V=(340.0 V)sin((2.*?)*(120 Hz * t)). Find B(r = 20.0 mm). Find B(r = 80.0 mm). Find B(r = 120.0 mm).
A cosmic-ray proton in interstellar space has an energy of 17.0 MeV and executes a circular orbit having a radius equal to that of Earth's orbit around the Sun, What is the magnetic field in that region of space
A 2-mol ideal gas system undergoes an adiabatic process where it expands, How much heat is received by the system
An Indy car with a speed of 125km/h goes around a level, circular track with a radius of 1.3km. What is the centripetal acceleration of the car.
A 1940-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 32.2 m/s. At what angle is the hill inclined above the horizontal
Ultraviolet light of wavelength 280 nm is used in an experiment on photoelectric effect with lithium (c = 2.5 eV) cathode. Find the maximum kinetic energy of the photoelectrons and (b) the stopping potential.
A rocket carrying a satellite is accelerating straight up from the earth's surface. At 1.10 s after liftoff, the rocket clears the top of its launch platform, Calculate the magnitude of the average velocity of the rocket
A system of 1595 particles, each of which is either an electron or a proton, has a net charge of -5.328×10^-17 C. How many electrons are in this system
A 53.26 g sample of a substance is initially at 29.9 °C. After absorbing 2429 J of heat, what is the specific heat of the substance
Two particles of masses M1 = 93000 kg and M2 = 4200 kg are initially at rest an a distance 148.1 km apart. The masses are let go, and as a result of the gravitational force the two masses move towards each other.
The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earths orbital distance.
A 0.252-kg volleyball approaches a player horizontally with a speed of 15.3 m/s. What impulse is delivered to the ball by the player
A baseball is hit so that it travels straight upward after being struck by the bat. Find the ball's initial velocity in m/s upward
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