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Light from an argon laser strikes a diffraction grating that has 5395 grooves per centimeter. The central and first-order principal maxima are separated by 0.488 m on a wall 1.74 m from the grating. Determine the wavelength of the laser light.
An ideally efficient airplane engine provides work as heat flows from 1400 K burned gases to 260 K air
Type your question hereA uniform line of charge that is 5.00cm long has a total charge of 6.00uC. What is the electric field (given in magnitude and direction) at the electron
The bullet penetrates into the block and stops due to its friction with the block. The compound system of the block plus the bullet rises to a height of 11 cm along a circular arc with a 20 cm radius A bullet with a m1 = 30.0 g mass is fired horizont..
Ann was reaching up to grab a box of cereal that was on top of the refrigerator. She had extended her arm as well as stood on her tip-toes to reach the box. Which primary muscle allowed Ann to extend her elbow and which 2 primary muscles allowed h..
A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
A system consists of two positive point charges, q1 and q2>q1. The total charge of the system is +62.0 x 10^-6 C, Find q1 and q2
A 1.87 kg rolling hoop with a radius of 6 cm rolls without slipping. If the angular speed of the hoop is 2.82 rad/s , compute rotational kinetic energy of the rolling hoop in Joules
How far below the surface is the insect actually located, How far below the surface is the insect actually located
An eye has trouble seeing an object closer than 60 cm but needs to see objects at 25 cm from it. find the focal length of a correctly prescribed contact lens
A rocket with an initial mass of 1 000 kg adjusts its thrust by varying the rate at which mass is ejected. at what rate is mass being ejected at that instant
A large wheel is coupled to a wheel with half the diameter. How does the rotational speed of the smaller wheel compare with that of larger wheel? How do the tangential speeds at the rims compare (assuming the belt doesn't slip).
A certain loudspeaker (assumed to be a point source ) emits 30.0 W of sound power. Calculate the power intercepted by the microphone
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