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The mass of a mass and spring system is displaced 10 cm from its equilibrium position and released. A frequency of 4.0 Hz is observed. What frequency would be observed if the mass had been displaced with only 4.0 cm and then released?
A piece of wood is 6.00 m long, 0.260 m wide and 0.060 m thick. Its density is 600kg/m cubed. What volume of iron ( P iron = 7.8 x 10 cubed kg/m cubed) must be fastened underneath the wood to sink it so that the top surface of the wood is just even w..
speedboat a negotiates a curve whose radius is 156 m. speedboat b negotiates a curve whose radius is 238 m. each boat
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
Unpoloarized light is passed through a set of n polarizers. The first polarizer is arranged with the polarizing slits aligned vertically, and the last polarizer of the set is arranged so its slits are aligned horizontally. Each polarizer in betwee..
a small boat is headed for a harbor 35 km directly northwest of its current position when it is suddenly engulfed in
a motorcycle has a constant acceleration of 2.4 ms2. both the velocity and acceleration of the motorcycle point in the
One icy day, my brother Nate decides to load boxes into his commissary truck by sliding them up a ramp into the back of his truck, find the minimum velocity necessary such that when the box comes to rest it will stay at rest
Two containers contain the same gas at different temperatures and pressures, as indicated in the figure. The small container has a volume of 2 L, and the large container has a volume of 4 L.
An electron in a vacuum is first accelerated by a voltage of 21100 V and then enters a region in which there is a uniform magnetic field of 0.644 T at right angles to the direction of the electron’s motion.
A ray of light enters an equilateral prism made of material with n=1.45 at angle of incidence theta. The internally refracted ray is parallel to the base of the prism. What is the angle of refraction for the ray leaving the prism?
Two small plastic spheres are given positive electrical charges. When they are 15 cm apart, the repulsive force between them has magnitude of 0.220N. what is the charge on each sphere
students want to construct a scattering experiment using a power source of 5.5 mev alpha-particles to scatter from a
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