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Two newly discovered planets follow circular orbits around a strain a distant part of the galaxy. The orbital speeds of the planets are computed to be 58.3 km/s and 41.9 km/s. The slower planet's orbital period is 7.40 years.
A) Find the mass of the star, in kg?
B) Find the orbital period of the faster planet, in years?
the nucleus of 8be which consists of 4 protons and 4 neutrons is very unstable and spontaneously breaks into two alpha
The mass m = 3.57 kg is sliding on the frictionless incline of angle 42.7 degrees. A force (F) = 3.24 N is applied horizontally. Determine the acceleration (a) in m/s^2 of the mass on the incline. Use g = 9.8 m/s^2, take parallel to the plane abd up ..
A 1.11 kg block slides down a 24.0 m long 28.0° incline at constant velocity. How much work is done by friction
Find out the angular velocity
A merry-go-round starts from rest and accelerates uniformly over 23.5 s to a final angular velocity of 6.25 rev/min. Find the person's maximum radial acceleration
a race car is traveling at a constant speed v 200 mph over a circular banked turn. let the weight of the car be w
A parachutist descending at the speed of 25 m/s loses a shoe at an altitude of 50 m. (Assume the positive direction is upward.)
The primary coil of a step-up transformer is connected across the terminals of a standard wall socket, and resistor 1 with aresistance R1 is connected across the secondary coil. The currentin the resistor is then measured.
approsimate the terminal speed of a wooden sphere (density 0.890 g/cm3) falling through air, if its radius is 9.00 cm and its drag coefficient is 0.500. (The density of air is 1.20 kg/m3.)
In this simulation you can choose between seven possible circuits by clicking on one of the small circuit diagrams shown at the upper right. What is the maximum possible total current that can be obtained in this simulation
At its Ames Research Center, NASA uses its large "20-G" centrifuge to test the effects of very large accelerations (hypergravity) on test pilots and astronauts. In this device, an arm 8.84m long rotates about one end in a horizontal plane, and the..
A small current element at the origin has a length of 1.2 mm and carries a current of 3.9 A in the +z direction. Find the magnitude and direction of the magnetic field due to this current element at the point (0, 3.7 m, 2.0 m).
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