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Atrain departs from its station at a constant acceleration of 5 m/s. what is the speed of the train at the end of 20s?
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The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.
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Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
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Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?
Answers: 1
Two pucks collide with each other. after the collision they do not stick together. is kinetic energy...
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