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In a double-star system, two stars of mass 6.0 *10^30 kg eachrotate about the system's center of mass at a radius of 2.0 * 10^11m.(a) What is their common angular speed?(b) If a meteoroid passes through the system's center of massperpendicular to their orbital plane, what minimum speed must ithave at the center of mass if it is to escape to "infinity" fromthe two-star system?
A fisherman's scale stretches 4.2 cm when a 2.6 kg fish hangs from it. What will be the amplitude and frequency of vibration if the fish is pulled down 3.0 cm more and released so that it vibrates up and down
Light from a laser (? = 640 nm) passes through a diffraction grating and spreads out into three beams as shown in the figure. Determine the spacing between the slits of the grating
A novice skier starting from rest slides down a frictionless 32 degree incline whose vertical height is 125 meters
Studies of the relationship of the Sun to our galaxy-the Milky Way-have revealed that the Sun is located near the outer edge of the galactic disc, What is the period of the Sun's galactic motion
A 150 g ball and a 250g ball are connected by a 35{rm cm}-long, massless, rigid rod. The balls rotate about their center of mass at 150 rpm.
A bike wheel (I=m*(r^2)) is spinning at 20 rad/s, at which point a 100 g rat jumps onto the wheel, what is the mass of the bike wheel
A wheel 55-cm in diameter accelerates uniformly from 240 rpm to 395 rpm in 5.0 s. How far will a point on the edge of the wheel have travelled in this time.
Four point charges, q, are fixed to the four corners of a square that is 11.2 cm on a side. An electron is suspended above a point at which its weight is balanced by the electrostatic force due to the four point charges, at a distance of 11 nm abo..
A sphere of copper is subjected to 81.1 MPa of pressure. The copper has a bulk modulus of 130 GPa. By what fraction does the radius of the sphere change
A 6.3 ?C point charge and a ?1.7 ?C point charge are separated by a distance of 0.00030 m. What is the electric potential energy of this system
A major motor company displays a die-cast model of its first automobile, made from 5.14 kg of iron. What mass of gold is needed to make the new model
A large tank with diameter D, open to the air, contains water to a height { H}. A small hole with diameter d ( {d \ll D} ) is made at the base of the tank. Ignoring any effects of viscosity, calculate the time it takes for the tank to drain completel..
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