Physics, 29.01.2020 03:52 katiemaley19
A750-kg car moving at 23 m/s brakes to a stop. assume that all the kinetic energy is transformed into thermal energy. the brakes contain about 15 kg of iron, which absorbs the energy. what is the increase in temperature of the brakes?
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How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature
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How many molecules are present in 3 mols of silicon dioxide (sio2)?
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The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
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Physics, 22.06.2019 07:00
Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
Answers: 1
A750-kg car moving at 23 m/s brakes to a stop. assume that all the kinetic energy is transformed int...
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