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The magnetic field in an electromagnetic wave has a peak value given by B = 2.1uT
A) For this wave, find the peak electric field strength.
E=_____kV/m
B) Find the peak intensity.
I=____ kW/m^2
C) Find the average intensity.
Iav=_____W/m^2
Water flows over a section of Niagara Falls at a rate of 1.07 × 106 kg/s and falls 40 m, How many 70 W bulbs can be lite with this power
A machine has an 650 g steel shuttle that is pulled along a square steel rail by an elastic cord (see figure below). The shuttle is released when the elastic cord has 16 N tension at a 45° angle
A cannon located 42 m from the base of a vertical 30 m high cliff has its muzzle pointing towards the cliff at an angle 48° above the horizontal. determine how far the shell lands past the edge of the cliff
A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle.
A window in a house is rectangular, with height 49 cm and width 29 cm. What is the force on the window
What is the kinetic energy of a carbon atom moving with a speed of 500 m/s.
The position of a car at t= 20 min is x= 12 km. Its position is 69.6km when t=60min. Find the average velocity of the car
A beam of parallel light, 1.50 mm in diameter passes through a lens with a focal length of 13.7 cm. What is the distance between the two lenses
two point charges are on the y axis. A 3.50 uc charge is located at y=1.1cm, and a -2.16 uc charge at y=-1.4cm. find the total electric potential at origin in volts
A sample 114 nd has a mass of 0.055395 kg and emits an average of 2.36 alpha particles per second. Determine the decay constant and the half-life
How long did it take for officer to catch up to the car.
A plane move through the air. This results in the air under thewing moving at speed v=50 m/s. what is the lift exerted on the plane in Newtons
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