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An EM wave has a wave vector k=(x+2y)rad/m. The magnetic field amplitude is Bo=(1.43x10^-10T)(2x-y+z). Determine the electric field vector amplitude and the frequency of the wave.
A 0.15 kg baseball is hit by a baseball bat. Right before it is hit, the ball's speed is 30 m/s, find the magnitude of the net impulse that is applied to the ball
Find the rms voltage across each element in an RLC circuit with R= 9.8kilo ohms , C= 0.17microF , and L= 25mH . The generator supplies an rms voltage of 150V at a frequency of 65.0Hz .
A rescue helicopter lifts a 79-kg person straight up by means of a cable. Use the work-energy theorem and find the final speed of the person
A 1.6kg , 20-cm-diameter turntable rotates at 50rpm on frictionless bearings. What is the turntable's angular velocity, in rpm, just after this event
An electric point charge of Q1 = 7.85 nC is placed at the origin of the real axis. Another point charge of Q2 = 3.83 nC is placed at a position of p = 3.99 m on the real axis. At which position can a third point charge of q = -7.31 nC be placed so th..
A particle of mass 0.500 kg is attached to the 100-cm mark of a meterstick of mass 0.150 kg. The meterstick rotates on the surface of a frictionless, Calculate the angular momentum of the system
A electron is accelerated from rest by the potential difference of 350 V. It then enters a uniform magnetic field of magnitude 200 mT with its velocity perpendicular to the field.
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.11kg, and the wedge has a mass of 5.39 kg. The ball is moving the speed of v = 4.45m/s when it strikes the wedge, which is initially at rest.
Consider the Sun to be at the origin of an xy-coordinate system. A telescope spots an asteroid in the xy-plane at a position given (1.8xe11 meters, 2.9xe11 meters) with a velocity given (-9.7xe3 m/s, -6.8xe3 m/s). What will be the magnitude of the as..
What are the x-component and y-component of the velocity.
A black furnace of surface area A = 3.0 m2 is fired up. Its outside temperature reaches 450oC. Calculate the net loss of power (in watts) by the furnace
A solid marble, a solid disk and a hoop have the same mass (M = 0.9 kg) and the same radius. what is the force the track exerts on the hoop when released at the minimum height
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