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Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. The density of a neutron star is roughly 1014 times as great as that of ordinary solid matter. Suppose we represent the star as a uniform, solid, rigid sphere, both before and after the collapse. The star's initial radius was 8.0×105km (comparable to our sun); its final radius is 17km .
Part A If the original star rotated once in 35 days, find the angular speed of the neutron star.
A Venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at speed v2, find the volume flow rate Q of the gas
As you drive by an AM radio station, you notice a sign saying that its antenna is 49 m high. what is the frequency of the station
Illustrate what is the maximum load that can be hung from a copper wire of diameter 0.46 mm? Answer in units of N.
Two packing crates of masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.26. The 5.50 kg crate lies on a smooth incline of angle 40.0°. Find out the acceleration of the 5.50 ..
At what distance from a backstop will a package need to be placed depending on its weight and knowing it has to hit the backdrop at a velocity of 66 in/sec on a 11 degree angle. What is distance for every 5 lbs of package weight.
A 1.78 m long air column is open at both ends. The frequency of a certain harmonic is 828 Hz, and the frequency of the next-higher harmonic is 920 Hz. find out the speed of sound in the air column.
A water slide launches a child horizontally above a swimming pool. How far from the launch point does the child land in the water
A welder using a tank of volume 7.90×10?2m3 fills it with oxygen at a gauge pressure of 3.00×105Pa and temperature of 38.8?C, Initial mass of oxygen is 0.391 kg, Find the mass of oxygen that leaked out
A 0.75 kg ball attached to the end of a horizontal cord, is rotated in a circle of radius 1.9 m on a frictionless horizontal surface, What is the max speed the ball can have
find the magnitude of the baseballs momentum.
A rectangular loop of wire with width 0.4 cm and length 0.6 cm is oriented with the normal to the face of the loop, Find the magnetic flux through the loop
A luge and its rider, with a total mass of 104 kg, emerges from a downhill track onto a horizontal straight track with the initial speed of 53 m/s. suppose they stop with the constant deceleration of 2.30 m/s2.
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