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Problem: An AM radio station broadcasts with an average power of 2.43 kW. A dipole receiving antenna 53.9 cm long is located 1.82 km from the transmitter. Assume the transmitter is a point source, the waves are traveling perpendicular to the axis of the receiving antenna, and that the source is far enough away that the wave amplitude is constant along the receiving antenna. Compute the amplitude of the induced emf by this signal between the ends of the receiving antenna. µo c = 377 ? and 1.609 km = 1 mi. Answer in units of V.
A tightrope walker is practicing. She is balanced on a rope at the exact midpoint of the rope. The tension in the rope is 4000 N, and the mass of the tightrope walker is 56 kg. Consider the left side of the rope. What angle with the horizontal does i..
q1. consider a too-small space station that consists of a 3.8 m radius rotating sphere. a man standing inside is 1.9 m
A stone is dropped from the top of a cliff. The splash it makes when striking the water below is heard 3.6s later. How high is the cliff
the electron and proton of a hydrogen atom are separated on the average by a distance of approximately 5.3 x 10-11 m.
A wrench is thrown at a speed of79 mph at a wall that is 44 ft away. Upon colliding with the wall the wrench exerts 77lb of force due east on the wall. How much force does the wall exert on the wrench and in what direction?
A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 285 km/h in a semicircular arc with a radius of 190 m. Determine the tangential acceleration of the car
An ideal monatomic gas is held in a well insulated container with a piston, so that no heat is transferred to and from it. There are 1.75 moles of gas in the container initially at a pressure 1.01x 10^5 Pa. During a process, the temperature of the ga..
A vertical spring with a spring constant of 2.16 N/m has a 0.31-kg mass attached to it, and the mass moves in a medium with a damping constant of 0.025 kg/s. The mass is released from rest at a position 4.5 cm from the equilibrium position. How long ..
At time t = 4.5 sec, a particle of mass M = 5 kg is at the position (x,y,z) = (4,4,6) m and has velocity (2,1,-2) m/s. What is the x component of the particle's angular momentum about the origin?
A merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes. What would be the angular acceleration of the merry-go-round
What is the electric field amplitude at a distance of 24.8 cm from the source - How does the speed of the emerging beam compare to the speed in the glass?
When struck by a club, a golf ball initially at rest gets a speed of 31 m/s. evaluate what is the magnitude of the average acceleration
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