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Question: A transmission diffraction grating 420 lines/mm is used to study the light intensity of different orders (n). A screen is located 2.5m from the grating.
Part A: What is the separation on the screen between the three brightest red lines for a hydrogen source?
I need help to find the separation on the screen between the three brightest red lines for a hydrogen source.
a glider of 500 gr. is 10 cm. above the table at the beginning of its motion and 6 cm. above the table at the end. what is the theoretical value of kinetic energy at the bottom
A 954 kilogram satellite orbits the Earth at a constant altitude of 99 kilometer. Determine the change in the system's potential energy
Two sounds have intensities of 2.10×10-8 and 8.70×10-4 W/m2 respectively. What is the magnitude of the sound level difference between them in dB units
A 24 inch string is wrapped around the 1/8 inch radius axis of a yo yo. Starting from rest, the yo yo descends with the constant angular acceleration of 4 rad/seconds squared. How long will it take the string to totally unwind.
A bullet of mass 50 g is shot with speed 250 m/s at a wooden block of mass 350 g at rest as shown in the picture. The bullet sticks in the block. How much time does the block (with the bullet in it) need to stop after being shot
At what height above the surface of the earth does the balloon have a speed of 7-m/s.
A 10 kg book rests on a flat table. What is the gravitational force on the book
A 9.88-kg monkey is hanging by one arm from a branch and swinging on a vertical circle. Find the magnitude of the tension in the monkey's arm
A typical winter electric bill might be for 2000 kilowatt-hours of energy each month (say 30 days). If you had an electric heating system that required 10 kilowatts (10 kW) to keep your house warm, how many hours per day on average would it have been..
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 30.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the gravitational force
An electron beam contains electrons that move along the +x-axis at 0.020c. The beam enters a region of length 1.0 m and runs parallel to a wire that carries a 0.20-A current in the +x-direction.
A simple harmonic oscillator consists of a block of mass 4.kg attached to a spring of spring constant 153 N/m. When t = 2 s, the position and velocity of the block are x = +0.129 m and v = +3.415 m/s.
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