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Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 1.80e28 kg and 1.60e3 m.
(a) Find the density of such a star.
kg/m3
(b) If a dime (V = 2.0e-7 m^3) were made from this material, how much would it weigh (in pounds)?
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The electric field caused by a certain point charge has a magnitude of 6800N/C at a distance of 0.200m from the charge
Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Identify the average force that the water exerts on the diver. This force is nonconservative.
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A fire truck siren produces a steady single tone of frequency 500 Hz when at rest. When the fire truck is at rest
q. an electron is projected with an initial speed u0 1.60 x 106 ms into the uniform field between the parallel plates.
A car starts from rest at a stop sign. It accelerates at 4 for 6.4, coasts for 1.5, and then slows down at a rate of 3.5 for next stop sign. How far apart are the stop signs.
An electron is observed moving 50 percent of the speed of light, v = 1.5 *10^8m/s. What is the relativistic mass of the electrong
A football resting on the ground is kicked at an angle of 35.0° towards the uprights with an initial speed of 20.0 m/s
A 0.80m -long metal rod is dropped vertically onto a marble floor. When the rod strikes the floor, What is the speed of sound in the rod
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