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Find the ratio of the magnitude of the gravitational force between a 3.100 kilogram mass on the surface of the earth due to the sun to that due to the moon. The mass of the sun is 1.99e+30 kilogram and the distance from the center of the sun to the surface of the earth is 1.50e+08 kilometer. The distance to the center of the moon from the surface of the earth is 376,000 kilometer and the mass of the moon is 7.36e+22 kilogram.
The x-component of the electric field
Two stars in a binary system orbit around their center of mass. The centers of the two stars are 6.17x1011 m apart. What is the mass of the smaller star
A planet in another solar system orbits a star with a mass of 4.0×1030 kg. At one point in its orbit it is 250×106 km from the star and is moving at 35km/s.Take the universal gravitational constant to be 6.67 × 10−11 m2/s2 · kg andcalculate the se..
Consider a wheatstone bridge. Suppose a resistance Rx is istalled as the unknown, and the bridge is balanced giving a potentiometer divider ratio S_o. Now leave the potentiometer alone but let the unknown resistance change by a small amount DeltaR..
consider a simple harmonic oscillator. calculate the time averages of the kinetic and potential energies over one cycle
A bird sitting in a tree is travelling at 40 km/s relative to the faraway Sun. When the bird drops to the ground below, does it still go 40 km/s, or does this speed become zero.
A 92.7-kg climber is scaling the vertical wall of a mountain. His safety rope is made of a material that, How much is the rope stretched when it breaks his fall and momentarily brings him to rest
Water is circulating through a closed system of pipes in a two floor apartment. On the 1st floor, the water has a gauge pressureof 3.4x105 Pa and a speed of 2.1 m/s.
Four gram-moles of an ideal monatomic gas initially at temperature 300 K is compressed adiabatically from a volume of 1200 cm3 to a volume of 350 cm3. How much heat was transferred to the gas
A capacitor has circular plates of radius 10 cm separated by 1 mm. If the capacitor is connected to a 12 volt battery, What will be the charge on the capacitor
A small block of mass m slides along a frictionless loop-the-loop track. If it starts from rest at point P. What is the resultant force at point Q
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0degree, and the man pulls upward with a force of magnitude 385N whose direction makes an angle of 30.0 degree with the ramp.
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