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Solve the following problems given below:
Problem: A helium-neon laser beam has a wavelength in air of 633 nm. It takes 1.48ns for the light to travel through 31.0cm of an unknown liquid.
A- What is the wavelength of the laser beam in the liquid?
Show how you get the answer, so that I can better understand how to do it.
The moment of inertia of a sphere (rotating about a diameter( is given as I (sphere)=2/5MR^2 and the moment of inertia of a disk (rotating about its center) is given as I (disk)=1/2MR^2. which will reach the bottom first
A ball rolls off an incline at a velocity of 22m/s. The angle of the incline is 32 degree and the height of the incline from the floor is 9meter. Calculate how far the ball will the ball land
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. Determine the electric field energy density at P
A 1 m stick is used as a simple pendulum with a 2 kg weight on the end. What is its period of oscillation
A simple pendulum makes 140 complete oscillations in 2.50 min at a location where g = 9.80 m/s2. Find the period of the pendulum
The doctors planning a radiation therapy treatment have determined that a 50g tumor needs to receive 0.21J, What is the dose in gray
A white billiard ball with mass mw = 1.34 kg is moving directly to the right with a speed of v = 3.02 m/s, What is the final speed of the white ball
A laser emits light at power 3.00 mWand wavelength 633 nm. The laser beam is focused (narrowed) untilits diameter matches the 1266 nm diameter of a sphere placed in itspath. What is the beam intensity at the sphere's location
The equation of a transverse wave traveling in a rope is given by y=10sinx(0.01x-2.000. where y and x are expressed in centimeters and t in seconds. Find the amplitude, frequency, velocity and wavelength of the wave. Find the maximum transverse speed..
what will be the induced emf magnitude in the short coil. A 77.9 kg fireman slides down a 4.13 m pole by applying a frictional force of 343 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches the ground.
In a second training exercise, the centrifuge speeds up from rest with a constant angular acceleration. When the centrifuge reaches an angular speed of 2.50 rad/s.
As a protest against the umpire's calls, a baseball pitcherthrows a ball straight up into the air at a speed of 200.0 m/s. find the force he exerts on the ball to give it this upward speed
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