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A coiled spring with a spring constant of 500 N/m is compressed some distance, "x". When the spring uncoils, it releases a ball of mass 0.5 kg. THe ball travels through a flat surface that is 2.1 m long and has a coefficient of friction of 0.2. At the end of this flat surface is a frictionless ramp which makes an incline of 25 deg. If the goal is to have the ball come to a complete stop at the top of the ramp 0.35 m from the base, what distance "x" should the spring be compressed?
When responding to sound, the human eardrum vibrates about its equilibrium position. What is the maximum acceleration of the eardrum
A certain light source is found to emit radiation whose peakvalue has a frequency of 1.00E15 Hz. Find the temperature of the source assuming that is a blackbody radiator
If a solid sphere of some material has a diameter of 15 in. and weighs 2 lb, What is the specific weight of the material
The graph below is a plot of the vertical displacement y(0, t) versus time t for a sinusoidal wave moving in the positive x direction along a taut string with a wavelength of22.5 cm. Find the speed of the particle at x = 0 at time t = 1.6 s.
A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal and with an initial speed of21.0m/s. Find the horizontal range of the ball
If 55.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop, at what rate is thermal energy generated in the loop
The lever BCD is hinged at C and is attached to a control rod at B. Determine the maximum force P which can be safely applied at D if the maximum allowable value of the reaction at C is 500 N.
q1. a radio station broadcasts at a frequency of 600000 hz. know that radio waves have a speed of 3.00 x 108ms what is
light of wavelength 460 nm is incident on a single narrow slit. the diffraction pattern is observed on a screen 4.8 m
Piles of snow on slippery roofs can become dangerous projectiles as they melt. Think a chunk of snow at the ridge of a roof with a pitch of 30 degrees. Because the snows begin to melt it will eventually slip.
what uniform magnetic field applied perpendicular to a beam of electrons moving at 2.3 x 106 ms is required to make the
A spring with a constant of 32 N/m is placed on a horizontal smooth surface and a mass of 2.3 kg is pushed against it. What is the amount of potential energy stored in the spring when it is compressed
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