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A typical neutron star might have a mass equal to that of the sun however a radius of only 10.0 km.
a) What is the gravitational acceleration at the surface of such a star?
b) How fast would an object be moving if it fell from rest during a distance of 1.20 m on such a star?
An 80.0-m-long brass rod is struck at one end. A person at the other end hears two sounds as a result of two longitudinal waves, What is the time interval between the two sounds
The solar constant is the power received from the Sun per unit area perpendicular to the Sun's rays at the mean distance of Earth from the Sun, Calculate the effective temperature of the Sun if it radiates like a blackbody
Electric bees. As they fly through the air, honeybees can pick up a small amount of electric charge, Find the magnitude of the electric force on the bee in the electric field just above Earth's surface, 130N/C directed vertically downward
What is the maximum load that could be suspended from a copper wire of length 1.0 m and radius 1.0 mm without breaking the wire? Copperhas an elastic limit of 2.0 x 10^8 Pa and a tensile strength of 4.0 x 10^8 Pa.
The coefficient of static friction between a rope and the table onwhich it rests is \mu _{\rm{s}}. Find the fraction of the rope that can hangover the edge of the table before it begins to slip. Express your answer in terms ofmu_s.
A student (m = 75 kg) falls freely from rest and strikes the ground. During the collision with the ground, he comes to rest in a time of 0.04 s, From what height did the student fall
An empty coffee mug isaccidentally pushed horizontally off the shelf of your kitchencupboard. The mug was 1.36 m off the ground when it was pushed. find the horizontal and vertical components of the mug's velocity
An open train car, with a mass of 2210 kg, coasts along a horizontal track at the speed 2.47 m/s. What is the car's speed after the loading is completed
An ideal gas expands at a constant total pressure of 2.5 atm from 3.45 L to 6.70 L. calculate the total work done by the gas in the process
a metal sphere a has charge q. two other sphere b and c are identical to a except they have zero net charge. a touches
A scintillator absorbs an incident flux of 5 MeV alpha particles that totals 10^6 particles/s, estimate the expected signal from the photodiode
an engineering student has made a robot mouse that is running around a circle on a horizontal table. the mouse is kept
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