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A plane polarized EM wave propagates through a polymer. Such waves obey a similar wave equation to that found for free space. The wave has a magnetic field vector, B=[(-1.2 i) x sin(ky wt)] microT (micro telsa) , with frequency f=7.61×10^(14) Hz and wave number k=1.61× 10^7 m^-1. Find the speed of the wave, the electric field vector, and the direction of propagation of the wave.
A diverging lens with f= -26.0 cm is placed 11.0 cm behind a converging lens with f= 20.0 cm. Where will an object at infinity be focused
Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car
The Tevatron at the Fermi National Laboratory (Fermilab) west of Chicago is a particle accelerator capable to produce protons at a total energy of one teraelectronvolt i.e. 1 TeV. What is the Lorentz gamma factor for these protons
To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.65, What is the height of the power line
Estimate the average force exerted by a shot-putter on a 7.0 kg shot if the shot is moved through a distance of 2.8 m and is released with a speed of 13 m/s
Estimate the force exerted on your fingertip if you place it at this point. Assume area of the fingertip to be 1.4cm^2
An ore sample weighs 17.5N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 11.2N. Find the total volume of the sample
Two large metal plates of area 1.20m2 face each other. They are 4.8cm apart and have equal but opposite charges on their inner surfaces. The strength of the electric field between them is 63N/C.what is the magnitude of the charge on each plate.
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.27 kg, and the wedge has a mass of 5.31 kg. what is the velocity of the ball after the collision
Arranged on the floor are five concrete blocks, each 28.4kg and 0.265m tall. What is the minimum work required to stack all five vertically
A simple pendulum of length 2.00 m is made with a mass of 2.00 kg. What is the speed of the mass when the pendulum is 45(degree) above its lowest position
A 2.0-kg solid cylinder of radius 0.5 m rotates at a rate of 40 rad/s about its cylindrical axis. What power is required to bring the cylinder to rest in 10 s
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