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A lab technician uses laser light with a wavelength of 640 nm to test a diffraction grating. When the grating is 40.9 cm from the screen, the first-order maxima appear 6.07 cm from the center of the pattern.
How many lines per millimeter does this grating have?
Calculate the torque on the center of mass of the rod alone with respect to the pivot point.(in N*m)? Calculate the unknown mass.(in kg).
What's the quickest way to approach this problem? A car is traveling at 80 km/h along the highway. How long does it take for the second car to pass the first
A hollow conducting sphere has an inner radius of r1 = 0.19 m and an outer radius of r2 = 0.35 m, What is the field E in N/C 1 m from the sphere's outer surface
You swing a 2.60 kg stone in a circle, using the full length of a thin 60.0 cm rope. At what speed must you swing it so its acceleration will be 9.8 m/s^2.
use the biot savart to compute the magnetic field at the center of a matalic ring. the ring has a radius of 10^-6 m, compute the magnetic field at the center of the ring
A long solenoid that has 1,190 turns uniformly distributed over a length of 0.420 m produces a magnetic field of magnitude 1.00 multiply.gif 10-4 T at its center
Suppose the ring rotates once every 4.40s . If a rider's mass is 56.0kg , with how much force does the ring push on her at the top of the ride
Four stars with equal masses m=1.99×1030 kg are located at the corners of a square, What is the magnitude of the net force on the star at the origin
Interactive LearningWare 18.2 provides one approach to solving problems such as this one. Determine the net force exerted on q1 by the other two charges
Elucidate what is the magnitude of the normal force exerted on the car by the walls of the cylinder at point A (at the bottom of the vertical circle)? and at point B (at the top of the vertical circle)?
The density of petrol is 730 kg/m^3 at 0 degrees C. Its average coefficient of expansion is 9.60 * 10^-4 degrees C. Assuming you have a 45 litre full tank, how many extra grams of petrol would you get
A typical large orb spider has a mass of 0.50 g. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
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