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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 42.1 km/s and 58.3 km/s. The slower planet's orbital period is 6.86 years. (a) What is the mass of the star? (b) What is the orbital period of the faster planet, in years?
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
questiona baseball is hit with a speed of 30.0 ms at an angle of 43.0 degrees. it lands on the flat roof of a 12 meter
a double slit is illuminated with monochromatic light of wavelength 500nm. the m1 bright fringe is located 2.0 cm from
As a result of the distribution illustrate what is scotts basis in the a/r and land, and explain how much gain or loss does he recognize?
you are a poor student with an old car that has bald ties. you are traveling at 60 mileshour and you slam on the brakes
q. a a diamond is underwater. a light ray enters one face of the diamond and after that travels at an angle of 30
Conservation of Energy A 100kg skier at the top of a 2km high mountain tucks the whole thing but only gets a final speed of 50m/s
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the wood pendulum
Two of the charges are negative and one is positive. Illustrate what work does the electric field have to do as these charges are assembled from infinity, without acceleration?
A transparent material has indices of refraction given by: n(violet) = 1.6231 n(red) = 1.6111 Determine the angular spread of these two colors
An electron and a proton move on concentric circular path in the plane of your paper, in a magnetic field that is perpendicular to the plane and is oriented towards you. Which particle follows the smaller circle
Consider an RC circuit with E = 12.0, R= 195 ohms, and C = 55.8 micro farrads. Find the initial current in the circuit
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