Physics

Physics, 11.11.2019 00:31, anthony1366

Aball that has a mechanical energy of 65 j has 12 j of kinetic energy. the ball has j of potential energy.

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English, 26.06.2019 19:30, jetblackcap

In this scenario a battery is used to supply chemical potential energy. the potential energy is transformed and produces kinetic energy. the battery causes a fan to spin and that kinetic energy can also be described as mechanical energy. check out the values for each: 100 j potential energy results in 75 j of kinetic energy. what conclusion can be drawn from the energy transformation diagram? a) the energy transformation results in 25j of energy being lost. b) not all of the chemical potential energy is converted; 25j remains as potential energy. c) the 100j of chemical potential energy releases 25j as friction and 75j of mechanical energy. d) the chemical potential energy is transformed into 75j of kinetic energy and 25j of heat energy.

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Physics, 02.08.2019 14:30, BreBreDoeCCx

Rita throws a ball straight up into the air and catches it at the same position from which she threw it. the ball has 18 j of mechanical energy when it leaves her hand. if no energy is lost due to friction, which statements about the energy of the ball are true? check all that apply. the potential energy at the top of the ball’s motion is 18 j. the kinetic energy is less when the ball is thrown than when it is caught. the kinetic energy increases as the potential energy decreases. the kinetic energy decreases as the potential energy increases. the total mechanical energy of the ball stays constant. the mechanical energy decreases as the ball moves up and increases as the ball comes down.

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Physics, 18.08.2019 17:10, nschavez123

Aball sitting on the top of a table has potential energy but no kinetic energy. how do potential and kinetic energy change as the ball falls off the table to the floor? a. its potential energy increases, and its kinetic energy decreases. b. its potential energy decreases, and its kinetic energy increases. c. both its potential energy and its kinetic energy increase. d. both its potential energy and its kinetic energy decrease.

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Physics, 21.08.2019 14:00, tabbydory3366

Aball sitting on the top of a table has potential energy but no kinetic energy. how do potential and kinetic energy change as the ball falls off the table to the floor? a.its potential energy increases, and its kinetic energy decreases. b.both its potential energy and its kinetic energy decrease. c.its potential energy decreases, and its kinetic energy increases. d.both its potential energy and its kinetic energy increase.

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