Will give 30 point's!!
41. A carpenter hammers a nail into a piece of wood. Which choice best...
Physics, 26.05.2020 17:58 kyllow5644
Will give 30 point's!!
41. A carpenter hammers a nail into a piece of wood. Which choice best describes an energy transformation that is taking place?
a.) Kinetic energy is transformed into potential energy.
b.) Mechanical energy is transformed into kinetic energy
c.) Potential energy is transformed into kinetic energy
d.) Potential energy is transformed into mechanical energy
Answers: 2
Physics, 22.06.2019 14:30
The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
Physics, 23.06.2019 01:00
The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?
Answers: 3
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