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a) A microwave radio transmitter emits electromagnetic waves of a single wavelength. The maximum electric field 6.19 km from the transmitter is 266 mV/m. Assuming that the transmitter is a point source, calculate the maximum magnetic field at this distance.
b) What is the power of the transmitter?
A roller coaster at the Six Flags Great America amusement park in Gurnee, Illinois, incorporates some clever design technology and some basic physics. What is the radius of the arc of the teardrop at the top
Two stars are 5.8 × 1011 m apart and are equally distant from the earth. Find the maximum distance that these stars could be from the earth
Travelling at the speed of 14.10 m/s, driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.650. What is the speed of automobile after 1.130 s have elapsed..
approximately what is the mass of an object whose weight equals the force from part "b"? can you lift such a mass.
A converging lens of focal length 77.0 cm. is placed 52.0 cm. behind a diverging lens. What is the absolute value of the focal length (in centimeters) of the diverging lens
The flywheel of an engine has a moment of inertia 2.40- {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
two uniformly charged insulating rods are bent in a semi circle shape with radius R=12cm. find direction of the elctric field at the center of the circle
Two particles are fixed to an x axis: particle 1 of charge q1 = +2.1 10-8 C at x = 20 cm and particle 2 of charge q2 = -4.00q1 at x = 70 cm. At what coordinate on the axis is the net electric field produced by particles equal to zero.
An elevator is able to raise 9,800 N to a height of 37 m in 12 s, What is the elevator's power output and How much work does the elevator do
A rubber ball of mass 16.0 g is dropped from a height of 1.80 m onto a floor. What impulse was applied to the ball during the collision
Near the South Pole, a supply plane going at 120 mph drops a 60 kg supply package into a sled that was initially at rest. Estimate the mass of the sled
An advertisement shows a 1239 kg car slowly pulling at constant speed a large passenger airplane to demonstrate the power of its newly-designed 79.7 hp (horsepower) engine. How much work is performed by the car on the airplane during this time
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