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What would be the angle of the first diffraction pattern for a 650 nm laser submerged in water (n=1.33), if the diffraction grating has 800 lines per mm? (show all work please).
At t = 0, a 755 g mass at rest on the end of a horizontal spring (k = 124 N/m) is struck by a hammer, which gives it an initial speed of 2.73 m/s. Determine the position as a function of time
A test charge of +2*10^-7 C is located 5cm to the right of a charge +1*10^-6 C and 10 cm to the left of a charge -1*10^-6 C. The three charges lie on a straight line
A 30 cm spring is compressed to 2 cm. a force of 200 N was used to do this. How much potential energy is stored in the spring
Two plane mirrors facing each other are 10 m apart. A woman stands 3 m from one of the mirrors and looks at the mirror and sees two distinct images. How far are these images from the woman.
A propeller is modeled as five identical uniform rods extending radially from its axis. what is its rotational kinetic energy
Given series of equipotentials Allow a charge to move through three displacements s ,s1,s2 . Calculate the electric field component along each displacement
A girl is standing at the edge of the cliff 271 m above the ground. She reaches out over the edge of the cliff and throws a rock straight upward with a speed of 6.17 m/s. a) how long does it take the rock to hit ground? b) What is the speed of the ro..
A 12-kg block initially slides at 18 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
An object slides down a frictionless inclined plane. At the bottom, it has a speed of 9.80 m/s. What is the vertical height of the plane
A rock with mass m = 3.70 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 19.3 N and by a fluid resistance force.
A stone is thrown from the top a tall building with initial velocity of 25 m/s, directed at an angle of 30 degrees above the horizontal. how tall is the building
A boy drags his 8.00 kg sled at constant speed up a 10.0 degree hill. He does so by pulling with a 40.0-N force on a massless rope attached to the sled. find the coefficient of kinetic friction between sled and snow
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