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The two stars in a binary star system have masses 1.7×10^30 kg and 6.1×10^30 kg . They are separated by 2.0×1012 m.
a) What is the system's rotation period, in years?
b) What is the speed of the lightest star?
c) what is the speed of the heaviest star?
The red line of the Balmer series in hydrogen (? = 656.3 nm) is observed to split into three different spectral lines with ?? = 0.07 nm between two adjacent lines when placed in a magnetic field B. What is the value of B if ?? is due to the energy sp..
You have a concave spherical mirror with a 13.3-cm radius of curvature. You place an object on the mirror's axis, 19.7 cm in front of the mirror
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A rope 2.0-m-long has a mass of 0.100 kg. The tension is 65 N. calculate the frequency of the oscillator
Two red blood cells each have a mass of 9.05 × 10-14 kg and carry a negative charge spread uniformly over their surfaces. What is the maximum accleration of the cells as they move toward each other and just touch
A roller coaster at the Six Flags Great America amusement park in Gurnee, Illinois, incorporates some clever design technology, What is the radius of the arc of the teardrop at the top
A house painter stands 3 m above the ground on a 4.9-m-long ladder that leans against the wall at a point 4.7 m above the ground. find the force of friction that the driveway exerts on the bottom of the ladder
question 1two astronauts yuri and valentina are flying their rockets towards each other both at a speed of 09c as
Three positive charges are fixed in place. Q 1= +4.0 nC and is located at (0,2), Q2= +1.0 nC and is located at (0,-1), What is the electric potential at the origin
A partly-full paint can has 0.79 U.S. gallons of paint left in it. What is the volume of the paint and how thick is the layer of wet paint
A 2 kg gun imparts a speed of 500 m/s to a 25 g bullet. what average force is exerted on the shooter's shoulder
A student is trying to push a desk of mass m = 95kg and horizontal width w = 0.8m along the floor. What is the minimum force necessary to move the desk
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