Physics, 17.08.2020 05:01 LukeneedhelpInMath
A body of mass 0.5kg is shot vertically into the air with an initial speed of 45m/s , calculate the time taken to reach the maximum height
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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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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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Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
A body of mass 0.5kg is shot vertically into the air with an initial speed of 45m/s
, calculate the...
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