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Energy can be transformed from one type to another. In which of the following situations is kinetic energy transformed into potential energy?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
The law of conservation of energy describes a key characteristic of energy and the way it is transformed within systems. Which expression best demonstrates the law of conservation of energy?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
A high-speed collision between two vehicles causes more damage than a low-speed collision. What is the reason for this?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
As the cars of a rollercoaster race down a hill, energy transformations take place. Which of the following is true?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an object. According to the law of conservation of energy, what happens to mechanical energy if the potential energy of an object decreases?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
What happens when an object is moved against gravity, such as rolling a toy car up a ramp?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
How does potential energy transfer to kinetic energy?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
Carlo was helping make dinner, so he placed a pot of cold water on the stove and started to heat it up. As the water got warmer, the water particles gradually moved faster. Which statement could Carlo correctly make about the water in the pot?
The kinetic energy of the water particles increased as the water got hotter.
Vehicles traveling at a high speed have more kinetic energy than vehicles traveling at lower speeds.
Kinetic energy is transformed into potential energy.
mechanical energy = potential energy + kinetic energy
When an outside force acts upon an object causing it to move.
When a ball is thrown straight up into the air.
Mechanical energy remains unchanged.
Some potential energy is transformed to kinetic energy and other forms of energy.
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