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A star with an initial radius of 1.0 x 108 m and a period of 30.0 Earth days collapses suddenly to a radius of 1.0 x 104 m, while keeping essentially the same mass. This collapsed star is probably a neutron star.
(a) What will be the angular velocity of the neutron star in rad/s and rot/s?
(b) What will be the speed, in m/s of an indestructible person standing on the equator of the neutron star?
(c) What per cent of the speed of light will the person be traveling on the neutron star?
A tiny ball (mass = 0.0092 kg) carries a charge of -24C. What is the electric field magnitude that would cause the ball to float above the ground
Doubling the total energy of a particle: (a) Does not affect its momentum (b) quadruples its momentum (c) more than doubles the momentum (d) doubles its momentum (e) less than doubles its momentum I know the answer is (c) but what equation is used to..
A wooden block slides directly down an inclined plane, at a constant velocity of 6.0 m/s. Determine how large is the coefficient of kinetic friction
A 2.0 kilogram softball is pitched to you at 20 m/s. You hit the ball back along the same path, and at the same speed. find the magnitude of the average force the bat exerted
a bicyclist starts a sprint with an initial speed of 2.0m/s, she moves a constant acceleration, how long did it take the bicyclist to complete the race
a inverted cylindrical container is lowered slowly beneath the surface of a pool of water. air trapped in the container
The electric motor of a model train accelerates the train from rest to 0.640 m/s in 22.0 ms. The total mass of the train is 530 g. Find the average power delivered to the train during its acceleration.
Question 1: What is the voltage of the electricity sent through the long distance wires?
A boxer receives a horizontal blow to the head that topples him over. The force, of magnitude 1.06 x 10^3 N, is applied for 1.1 x 10^-2 s at a point 1.82 m above the floor. Find the boxer's final angular velocity
Two normal unbiased six-faced dice A and B are rolled alternately starting with A ; if A shows a 6 the experiment ends. If B shows an odd number no points are scored, if it shows a 2 or a 4 then one point is scored, whilst if it records a 6 then t..
if you hace 10 degree angle and the means time is .52second the initial hight is .042m the long is .426m and the final
Freight trains can produce only relatively small acceleration and decelerations. What is the final velocity of a freight train
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