Which has the most kinetic energy?✔ a bowling ball with a velocity of 1.5 m/s a golf ball with a velocity of 0.5 m/s
Which has the most thermal energy?a cup of water at 10°C ✔ a lake at 10°C
Which has the least gravitational potential energy?a 25 kg barbell being held above the head of a weightlifter ✔ a 10 kg barbell resting on the floor
A soccer ball rolls along the grass.electromagnetic energythermal energy✔ kinetic energychemical energy
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Chemical energy is transformed into electromagnetic✔ kineticpotentialsolar energy in the person’s muscles.
the law of conservation of energythe law of conservation of matterthe law of gravitythe law of motion
In a mechanical clock, the swinging of a pendulum causes the hands to move. The diagram shows the path of the pendulum as it swings. At which point in its swing does the pendulum have the least gravitational potential energy?
A spring is compressed.chemical energy✔ potential energykinetic energythermal energy
Kinetic energy is ✔ transferredtransformed from the person’s legs to the pedals.
Oxygen bonds with carbon.✔ chemical energypotential energykinetic energythermal energy
Kinetic energy is transferred to✔ transformed into thermal energy due to friction when the wheels get warm.
An electron generates an electric field.chemical energy thermal energy✔ electromagnetic energypotential energy
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