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Monochromatic light is incident on a grating that is 40 mm wide ruled 24,000 lines. The line is imaged at 34.0 degrees in the second-order spectrum.
1. Discover the wave length of the incident light
2. Discover the angle of diffraction for the first-order fringe.
the highest barrier that a projectile can clear is 13.1 m when the projectile is launched at an angle of 14.0deg above
question calculate the wavelength of the emitted photon when an electron drops between the n 4 and n 3 energy levels
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a frictionless pulley which can be modeled as a 0.80 solid cylinder with a 0.30 m radius has a rope going over it. The tension in the rope is 10 N on the right side and 12 N on the left side. What is the angular acceleration of the pulley.
An object 9 cm tall is placed at the zero mark of a meterstick. A spherical mirror located at some point on the meterstick creates an image of the object that is upright, 4 cm tall, and located at the 49.0 cm mark of the meterstick.
A 62 g Frisbee is thrown from a point 1.3 m above the ground with a speed of 15 m/s. What was the reduction in the mechanical energy of the Frisbee-Earth system because of air drag
Suppose you carry a bag of groceries weighing 124 N from your car to your kitchen, a distance of 61 m, find the work done by the force you exert on the bag
you are told that an object has zero acceleration. two forces on the object are f 3.2n at 80 below the x-axis and f
Find the kinetic energy of a 3.70{\rm kg} cat that has 0.240 kg *m/s}} of momentum. Find the momentum of a 1.22{\rm kg} ball that has 16.0 J} of kinetic energy.
the temperature of your skin is approximately 36oc.what is the wavelength at which the peak occurs in the radiation
You have just landed on a planet. You take out a block of mass 245g , release it from rest from a height of 14.01m, What is the acceleration of gravity on this planet
An air puck of mass 0.250 kg is tied to a string and allowed to revolve in a circle of radius 1.14 m on a frictionless horizontal table. What is the speed of the puck
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