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A 1.23 kg mass stretches a vertical spring .215m . If the springis stretched an additional /130m and released, how long does ittake to reach the new equalibrium position?
A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 35.8°. The indices of refraction for the blue and red components of the ray are: blue (ndiamond = 2.448, ncrown glass = 1.528), and red (ndiamond = 2.407, ncrown gl..
How many kilograms of water at 100 degrees Celsius can be converted to steam by the addition of 1.13X10^7 joules of thermal energy.
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.843 rad/s. You, with a mass of 71.9 kg, estimate the total angular momentum of the system
A 4.00-kg block of ice is placed against a horizontal springthat has a force constant k=200 N/m and is compressed 0.025m. Calculate the work done on the block by the spring during the motion of the block from its initial position
An electron of kinetic energy 1.56 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 21.8 cm. determine the circling frequency
The space between the plates of a capacitor is filled with water. By what factor does the water change the capacitance relative to that found when the plates are filled with air?
A woman holds a tube of lipstick 5.7 cm from a spherical mirror and notices that the image of the tube is upright and one eighth its normal size. Determine the position of the image. Is it in front of or behind the mirror
A disk of radius R and mass M = 10 g is rotating freely about a fixed axis through its center with angular velocity w = 11 rad/s. A spider of mass m = 0.5 g descends onto the disk and goes along for the ride. The moment of inertia of the disk is I..
If a bullet that leaves the muzzle of a gun at 299 m/s is to hit a target 81.0 m away at the level of the muzzle, How far above the target is this point
What is average kinetic energy of each helium atom
A very thin sheet of plastic (n=1.60) covers one slit of adouble-slit apparatus illuminated by 640-nm light, What is the (minimum) thickness of the plastic
A 75 N man stands in the middle of a frozen pond of radius 20.0 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. How long does it take him to reach the south shore
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