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Neutron stars are extremely dense objects formed from the remnants of supernova explosions. Many rotate very rapidly. Assume the mass of a certain spherical neutron star is twice the mass of the Sun and its radius is 6 kilometer. Find the greatest possible angular speed it can have therefore that the matter at the surface of the star on its equator is just held in orbit by the gravitational force.
a particle of mass 0.350 kg is attached to the 100 cm mark of a meter stick of mass 0.150 kg. the meter stick rotates
Let the x axis be parallel to the ground, +y direction be vertically upward, and take as an origin the point on the ground directly below the top of the ramp.
a spaceship leaves earth event a travels to alpha centauri which is 4.4 y distance away and then returns event b
A diverging lens with a focal length of -27.5 cm is located 40 cm in front of an object 3 cm high. Find: (a) the image distance q, (b) the image size, h’, and the magnification, M.
A batter hits a 0.140-kg baseball that was approaching him at 30.0 m/s and, as a result, What is the average force exerted by the bat
a 150lb man stands at the rear of a 250lb boat which is pointed towards the pier. the distance from the man to the pier
Four identical metallic objects carry the following charges: +1.18, +6.89, -4.92, and -9.56C. The objects are brought simultaneously into contact, What is the final charge on each object
A spacecraft approaching the earth launches an exploration vehicle. After the launch, an observer on earth sees the spacecraft approaching at a speed of 0.58c and the exploration vehicle approaching at a speed of 0.73c. What is the speed of the explo..
A graph depicts force versus position. What represents the work done by the force over the given displacement?
A cylindrical hoop and a spherical shell both roll without slipping and both have identical masses (6 kg) and identical radii (0.2 m). What is the velocity of each at the bottom of the hill
How fast will the electron be moving. What was his average speed (in m/s) for the race.
Suppose one gallon of gasoline produces 1.41×108 J of energy, and this energy is sufficient to operate a car for 20.0 miles. how many miles could the car go on a single tablet
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