Physics, 17.01.2021 07:50 iilovejohnccena1022
The radius of a planet is 2400 km, and the acceleration due to gravity at its surface is 3.6 m/s2. What is the mass of the planet?
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What is the earliest point in the universe that we can observe? why can’t we see back further than this?
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Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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The radius of a planet is 2400 km, and the acceleration due to gravity at its surface is 3.6 m/s2....
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