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Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. The orbital speeds of the planets are determined to be 43.3 km/s and 58.6 km/s. The slower planet's orbital period is 7.60 years.
(a) What is the mass of the star?
(b) What is the orbital period of the faster planet, in years?
Forces of 4 N and 6 N act on an object. What is the minimum value for the sum of these two forces
A large storage tank, open to the atmosphere at the top and filled with water, Determine the speed at which the water leaves the hole
A 3.00-g copper penny at 25.0 C drops 50.0 m to the ground. (a) If 60 percent of the initial potential energy of the coin earth system goes increasing internal energy of the coin determine the coin's final temperature (b) does the result depends on m..
You are participating in league bowling with your friends. Time after time, you notice that your bowling ball rolls to you without slipping on the flat section of track. What is the magnitude of the angular acceleration of the ball
What is the pressure drop due to the Bernoulli effect as water goes into a 3.00-cm-diameter nozzle from a 9.00-cm-diameter fire hose while carrying a flow of 40.0 L/s
A steel cable with total length 30 m and mass 100 kg is connected to two poles. find the wavelength of the resulting wave on the cable
14 6C (mass = 14.003242 u) undergoes beta decay to 14 7N (mass = 14.003074 u). Write the complete decay formula for this process. Find the maximum kinetic energy of the emerging electrons.
Three charges are at rest on the z axis: q1 = ?6.41 mC at z = 3.60 m, q2 = ?1.20 mC at z = 0 m, What is the potential energy of this system
What is the wavelength of sound if it has a wavespeed of 1.36 m/s and a frequency that is 6.69 Hz? (The unit of measure for the wavelength is a meter, which is written m.)
Two concentric conducting spheres of radii a = 5 cm and b = 10 cm have a potential difference V = 100 V between them. What is the charge carried by each sphere
The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. Suppose that only static friction supplies the centripetal force, & find the radius r of the tyre.
The atomic planes in a crysral are spaced d = 0.50 nm apart. These planes are used in a diffraction experiment with X-rays with ? = 0.05 nm. What are the diffraction angles for the first three bright fringes
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