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The weight of a star is usually balanced by two forces: the gravitational force, acting inward, and the force created by nuclear reaction, acting outward. Over a long period of time, the force due to nuclear reactions gets weaker, causing the gravitational collapse of the star and crushing atoms out of existence. Under such extreme conditions, protons and electrons are squeezed to form neutrons, giving birth to a neutron star. Neutron stars are massively heavy - a teaspoon of the substance of a neutron star would weigh 100 million metric tons on the Earth.
d.) If a satellite is to circle 11.1 km above the surface of such a neutron star, how many revolutions per minute will it make? Do not enter unit.
e.) What is the radius of the geostationary orbit for this neutron star?
A series AC circuit contains a resistor, an inductor of 230 mH, a capacitor of 4.30 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. obtain the phase angle between the current and the source voltage
An electron with a speed of 7.98 × 108 cm/s in the positive direction of an x axis enters an electric field of magnitude 2.25 × 103 N/C, how much time will have elapsed
How much time does it take to lift container with the motor.
A parallel-plate air capacitor is to store charge of magnitude 290pC on each plate when the potential difference between the plates is 36.0V, If the area of each plate is 6.80 cm2, what is the separation between the plates
A 1.5 V battery is rate at 1,800 milliamp hrs (mAh). How much electrical energy (in joules) is stored in the battery when it is new
A wood block floats on water with 35% of its volume above the surface (of water), what is the average density of the block (in kg/m3)
Two identical capacitors store different amounts of energy: capacitor A stores 3.3 10-3 J, and capacitor B stores 2.5 10-4 J. Find the voltage across the plates of capacitor A
What is pressure in the cylinder
A 3 microcoulomb charge is at the coordinated (3,4)mm. A -4 microcoulomb charge is at the coordinates (-2,5)mm. find the Electric field vector in polar coordinates at the origin
A copper ball with a radius of 1.7 is heated until its diameter has increased by 0.19, find the final temperature of the ball
A uniform electric field exists in the region between two oppositely charged parallel plates 1.67cm apart, Find the speed of the proton at the moment it strikes the negatively charged plate
Equipotential surface A has a potential of 5650 V, while equipotential surface B has a potential of 7850 V. How much work is done by the outside force in moving the particle from A to B
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