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A parallel beam of light from a He-Ne laser, with a wavelength of 658 nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern on a screen 2.3 m away?
A typical ten-pound car wheel has a moment of inertia of about. The wheel rotates about the axle at a constant angular speed making 60 full revolutions in a time interval of 5.
What is current temperature and peak wavelength What is the proper description of their situation
A mass undergoes SHM with amplitude of 4 cm. The energy is 8.0 J atthis time. What is the energy of the system now
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 128-kg laser sensor that measures the thickness of the ice, find the tension in the cable towing the sensor
When two lenses are used in combination, the first one forms an image that then serves as the object for the second lens. Find the location and height of the image
A solid ball and a hollow ball, each with a mass of 2 kg and radius of 0.1 m, start from rest and roll down a ramp of length 3 m at an incline of 44°. What is the speed of the ice cube at the bottom of the incline
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 21 m/s at an angle of 54° above horizontal.
An object is placed 16.8 centimeter from a first converging lens of focal length 10.6 centimeter. Determine how far from the second lens is the image of first lens
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.50 104 m/s, and the radius of the orbit is 5.45 106 m. What is the orbital speed of the second satellite
Assume that a proton has a mass of 3.34 × 10-27Kg and a charge of +e. It travels in a circular path with a radius 6.96mm in a magnetic field with magnitude 2.50T. Find the time required for it to make half a revolution
1 what is constructive interference? what is destructive interference?2 in a youngs double -slit experiment the slit
In order to study the structure of a crystalline solid, you want toilluminate it with EM radiation whose wavelength is the same as thespacing of the atoms in the crystal (0.20 nm). What isthe frequency of the EM radiation?
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