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A 2.10-kg block is suspended from a spring with a spring constant of 480.0 N/m. A 0.070-kg bullet is fired into the block from directly below with a speed of 130.0 m/s and is embedded in the block. Find the amplitude of the subsequent motion. What fraction of the original kinetic energy of the bullet appears as mechanical energy in the system of block-spring-bullet?
Suppose that you want to take a photograph of yourself as you look at your image in a mirror 3.1m away, For what distance should the camera lens be focused
A person exerts a horizontal force of F = 179N in the test apparatus shown in the drawing. (h = 0.33 m.) Determine the horizontal force M that his flexor muscle exerts on his forearm.
In order to calculate the number of ways of arranging a given amount of energy in a tiny block of copper, How many atoms are in the copper block
A block of wood is held in place against a rough wall by someone pushing on it with a force directed upward at 28 degrees above the horizontal, What is the mass of the block of wood
X-rays of wavelength 0.140 nm are scattered from a crystal, What is the interplanar spacing for this crystal
Assume that light of a single color, rather than white light, passes through two slits 0.50 mm apart, determine the light's wavelength
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. The yellow disk is initially at rest and is struck by the orange disk moving with a speed of 5.00 m/s.
A person exerts a horizontal force of F = 169N in the test apparatus. (h = 0.32m.) Find the horizontal force M that his flexor muscle exerts on his fore arm.
A 10-inch telescope is used to determine if what appears to be one star is actually two stars. Stars are so far away that they are essentially point sources. How close, in angle, can two stars be and still be resolved by this telescope? Use a wave..
A 240-V dc motor has an armature whose resistance is 1.10? . When running at its operating speed, it draws a current of 16.0A, What is the back emf of the motor when it is operating normally
You send a beam of light from a material with index of refraction 1.21 into an unkown material. find the index of refraction of the unknown material
A binary system consists of stars of masses m and 2m, separated by a distance L=3.00×1011 m. What is the centripetal acceleration of the other star
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