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Two identical 1.50 kg masses are pressed against opposite ends of a light spring of force constant 1.75 N/cm , compressing the spring by 20.0 cm from its normal length. Find the Speed of each mass when it has moved free of the spring on a frictionless horizontal table.
What force must be applied to 5kg object to move it downward with acceleration 1 m/s^2. What is the direction of the applied force.
The left end of a long glass rod 6.00cm in diameter has a convex hemispherical surface 3.00cm in radius. obtain the refractive index of the liquid
question1a 1200-kg automobile travels at a speed of 12 ms.nbsp a what is it the kinetic energy? b what is work that
When the string is pulled a distance of 40 cm in 2.50 s, the wheel turns though 5 revolutions. what is the average angular velocity of the wheel
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
A 0.75m diameter solid sphere may be rotated about an axis through its center by a torque of 11.5m*N which accelerates it uniformly from rest through a total of 180 revolutions in 16.0 s.What is the mass of the sphere.
A standing wave in a pipe with both ends open has a frequency of 206. Hz. The next higher harmonic has a frequency of 309. Hz. How long is the pipe
Light has a wavelength of 600nm in a vacuum. It passes into glass, which has an index of refraction of 1.50. What is the WAVELENGTH of the light in the glass
A parallel plate capacitor has a separation between its plates of 1.0 mm. There is a dielectric with a dielectric constant of 2.1 fi ling the gap. what is the area of one of the capacitor plates
A 50.0 kg skier is at the top of a slope. At the initial point at the top is 25.0 m vertically above point at the bottom. find the change in Potential energy of the skier-Earth system as the skier goes from top to bottom
A beam of 6 MeV alpha particles scatters from a thin gold foil. What is the ratio of the number of alpha particles scattered to angles greater than 1° to the number scattered to angles greater than 3°
q1. charge is scattered uniformly throughout a long cylindrical shell of inner radius r and out radius 2r. at what
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