The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.90 10-10 t. the wave passes perpendicularly through an open window, the area of which is 0.20 m2. how much energy does this wave carry through the window during a 35-s phone call?
Answers: 3
Physics, 22.06.2019 14:10, chuchi24
The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).
Answers: 3
Physics, 22.06.2019 18:40, meganwintergirl
Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory
Answers: 2
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an r...
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