Answer:
Caused by gravity and the roller coaster's position, the potential energy is stored in the roller coaster. For example, this ball is at the top of a hill, where potential energy is at it's highest.
Explanation:
W is the noble gas having atomic number 10 and configuration (2,8)
x, y and z are the s block elements. They have 2,2 and 1 electrons in their outermost shell respectively.
Atomic size decreases across the period and increases down the group. Element z is having more atomic size.
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Answer: When the cars move up the hill, electric energy changes to kinetic energy and kinetic energy changes to potential energy. Yes, energy entered the system as potential energy.
Explanation: