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With light from a gaseous discharge tube incident normally on a grating with slit separation 1.92 ?m, sharp maxima for a certain wavelength of light are produced at angles ? = -16.0° and +16.0°. Compute the wavelength of the light.
How many drops of water are in all the oceans on earth? Assume that contains 25 drops of water. Remember that this is an order-of-magnitude problem, so you should expect that you will only find rough estimates for the numbers you require.
The sinusoidal wave is traveling in the positive x-direction and has a frequency of 21.4 Hz. The wavelength is 10.4 cm, the amplitude is 4.13 cm, and the period is 0.047 seconds. What is the wave's speed?
A uniform flat rectangular sheet of mass m and side lengths a and b rotates with angular speed ? around a diagonal, What is the upper bound on the torque
A circular disk with the rectangular hole has a radius of 0.540 m and mass of 0.440 kg. It is suspended by a point on its perimeter. The moment of inertia about this point is I_p = 1.7×10-1 kgm2.
Determine the equation for velocity of the particle as a function of time. Create a graph of velocity vs. time for the particle, for the time interval 0
how much kinetic energy does each electron have. Blocks of mass m_1 and m_2 are connected by a massless string that passes over the pulley.
Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time.
1) Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured from the positive x axis.
Question: For all generators: Eg = 1\"\"0°, χ1 = j0.25 For all transformers: χ1 = j0.75 [A] Write the Y and Z matrices. B] Write the model equation. [C] For each bus, find V, ρ and Q.
The sun is more massive than the moon, but the sun is farther from the earth. Which one exerts a greater gravitational force on a person standing on earth? Give the answer by determining the ratio Fsun/ Fmoon of magnitudes of gravitational forces.
What is the frequency of light that has the wavelength in water of 788 nm if the refractive index for this light is 1.33.
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