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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 41.0 km/s and 59.2 km/s. The slower planet's orbital period is 7.30 years.
(a) What is the mass of the star?
(b) What is the orbital period of the faster planet, in years?
Find the mans rate of sweat production
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Assume a car's brakes can produce an acceleration of -7 m/s2. If the car is travelling at an initial speed of 28.0m/s, what is the minimum distance necessary to stop car.
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A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the energy (in joules) radiated with each pulse
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if the block is raised back to 100 meters without gaining or losing heat from the environment, What is the blocks temp after it was raised
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