coaster at the top of a hill. As the
![Physics](/tpl/images/cats/fizika.png)
Starting With Energy
Consider the image of the roller
coaster at the top of a hill. As the
car climbs up the track, it gains
potential energy. As it rolls down,
the energy is transformed into
kinetic energy, energy of motion.
1. Why is energy required to get
an object moving?
Why is energy required to get an object moving?
![answer](/tpl/images/cats/otvet.png)
Answers: 1
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Physics, 22.06.2019 03:00, nkidder
An electric current is flowing through the cord below. what will happen to this current if a magnet is brought near the cord? a. the electric current will stop flowing. b. it will exert a force on the voltage. c. the resistance of the wire will decrease. d. it will exert a force on the electric current.
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Physics, 22.06.2019 05:30, keylor97
Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis
Answers: 3
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Starting With Energy
Consider the image of the roller
coaster at the top of a hill. As the
coaster at the top of a hill. As the
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