Physics, 20.04.2021 20:40 carterkelley12oz0kp1
A small Aeroplane of mass 600kg has an electric motor powered by fuel cells. Fuel cells use hydrogen gas and provide an electric current. When the Aeroplane is working, the energy changes are
chemical --> electrical --> kinetic
electrical --> chemical -->kinetic
electrical --> kinetic --> chemical
kinetic --> chemical --> electrical
Answers: 3
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Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).
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14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2รทv1is
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Physics, 22.06.2019 18:30
Aheavy piece of hanging sculpture is suspended by a90-cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80hz. what is the mass of the sculpture?
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