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A neutron star of 2.00 solar masses is rotating at a rate of 1.00 revolutions per second.
a) What is the radius of the neutron star?
b) Assuming its density is uniform, find the rotational inertia and its angular momentum.
c) Discover its rotational kinetic energy.
d) If its rotational speed slows by 1 part in 10 9 per day, find the loss in rotational kinetic energy per day.
e) Assuming that the entire energy loss goes into radiation, discover the radioactive power.
An ideal gas initially at 408 Kis compressed at a constant pressure of 34 N/m2 from a volume of 3.0m3 to a volume of 1.8 m3. What is the change in internal energy of the gas
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A car moves along the x-axis in the positive direction. Find the sign (+,-) of the velocity and acceleration of the car for each situation: 1. The car moves AWAY from the origin and gets FASTER 2.
a current of 0.750 A passes through a solenoid wound with 150 turns per centimeter. What is the diameter of the circular path
Positronium is a hydrogen atom with the proton replaced by a positron (like electron, but w/ positive charge). Calculate E1 for positronium.
Large meteorites are hardly slowed by Earth's atmosphere. how long does it take to reach the ground
The radius of Venus's orbit is 0.72 times that of Earth's orbit. How much stronger is the Sun's gravitational field at Venus than at the earth.
A discus thrower accelerates a discus from rest to a speed of 25.7 m/s by whirling it during 1.20 rev. suppose the discus moves on the arc of a circle 1.04 m in radius. Compute the final angular speed of the discus.
for small stretches the achilles tendon can be modeled as an ideal spring. experiments using a particular tendon showed
Spark plugs should be tightened to a specified torque of 13.64Nm. You have a wrench that is 0.27 m long, What force must you exert on the wrench
A 3.00-kg crate slides down a ramp. The ramp is 1.00 m in length and inclined at an angle of 30.0o. The crate starts from rest at the top, What is the speed of the crate at the bottom of this new ramp
A 0.80 kg mass is attached to a light spring with a force constant of 23.9 N/m and set into oscillation on a horizontal frictionless surface. determine maximum speed of the oscillating mass
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