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If a parallel mirror He-Ne laser had a homogeneous lineshape with v=1.5GHz, and small signal peak coefficient of .001/cm length=100cm and reflectances 100% and 97%, how many longitudinal modes woul
Determine the wavelength of the Kα emission line of copper. What must the minimum voltage be on an x-ray tube with a copper target in order to see the Kα line?
The coil rotates in a magnetic field of 0.0650 T. What is the angular speed of the coil if the maximum emf produced is 24.0 mV?
The loop that has magnitude 5.5 x 10^-5 T and a direction away from you as you view the plane of the loop. What are the magnitude and direction of the current in the loop?
If the loop is an a region where there is a uniform magnetic field directed parallel to the plane of the loop, find magnitude of the magnetic torque on the loop.
At time t = 0 and at the location of your detector, what is the electric field associated with this wave? At time t = 4.63 × 10-7 seconds, what is the electric field at your detector?
When the car is behind the train what frequency does an occupant of the car observe for the train whistle? The speed of sound is 343 m/s.
Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 3.30 kg steelhead trout to the tail of the 2.10 kg carp. To show the fish to a friend, he lifts upward on the carp with a
A 1500kg truck traveling north at 44km/h turns west and accelerates to 55km/h.find the change in the momentum (magnitude and direction) of the truck. calculate the change in the truck's kinetic ene
A 15.0kg block is attached to a very light horizontal spring of force constant 400N/m and is resting on a smooth horizontal table. Suddenly it is struck by a 3.00kg stone traveling horizontally at 8
Do the individual fields of the wires cancel or reinforce each other? (b) At a point far away from the wires, do their individual fields tend to cancel or reinforce each other?
A 15.0-m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60.0 angle with the horizontal. (a) Find the horizontal and vertical forces the ground exerts on the bas
Batman (mass = 104 kg) jumps straight down from a bridge into a boat (mass = 600 kg) in which a criminal is fleeing. The velocity of the boat is initially +10 m/s. What is the velocity of the boat
To cool the coffee, you drop two 13-g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final temperature of the coffee?
For a damped oscillator with a mass of 230 g, a spring constant 140 N/m and a damping coefficient of 74 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude a
The air above the piston is at 1.00 {rm atm} pressure. What will the pressure be if the temperature is lowered to 12^circ C?
A heavy freight train has a mass of 10100 metric tons. If the locomotive can pull with a force of 610000 N, how long does it take to increase it's speed from 0 to 64.6 km/h?
What is the minimum mass of water required to condense all of the benzene vapor? Assume that the mixing and condensation take place in a perfectly insulating container.
At time t=0 a grinding wheel has an angular velocity of 28.0 rad/sec. It has a constant angular acceleration of 35.0 rad/sec^2 until a circuit breaker trips at time t=1.80. From then on, the wheel t
An observer, whose eyes are 1.99 m above the ground, is standing 35.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the tre
The distance of separation, measured between their centers, is 3.84x10^8. Locate the center of mass of the earth-moon system as measured from the center of the earth.
Three identical masses of 610 each are placed on the x axis. One mass is at x1= -110 , one is at the origin, and one is at x2= 430. What is the magnitude of the net gravitational force on the mass a
If the density of theball is 0.300 that of water and if the drag force on the ball from the water is negligible, how high above the water surface will theball shoot as it emerges from the water?
A charge of 28.0 {rm nC} is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 N/C. What work is done by the electric force when the cha
A 0.230- coffee cup at 19 is filled with 0.240 of brewed coffee at 97. The cup and the coffee come to thermal equilibrium at 79.If no heat is lost to the environment, what is the specific heat of t