An object that is stationary has _____
energy. When the object is pushed, that energy transfers to _____ energy.
Throughout this energy transfer, the object's total energy _______.
1.Kinetic
2.Maximum
3.no
4.Potential
1. Maximum
2.Potential
3.Kinetic
4.Total
1.stays the same
2. Decreases
3. Increases
1. no
2. Kinetic
3. stays the same
When a baseball is at rest and then is thrown, what is the relationship between the ball's potential and kinetic energy? (1 point)
The ball's potential energy decreases as it is thrown, while its kinetic energy increases.
Kinetic is?
Height
Time
Speed
Speed
A student observes a roller coaster at locations A, B, C, and D on the track.
400
Total mechanical energy(kJ
350
300
150
200
150
100
Mechanical Energy of a Roller Coaster Car
Location
Kinetic Energy
Potential Energy
Which statement is true according to the bar graph?
According to the bar graph, the following statement is true:
The potential energy of the roller coaster car decreases as it moves from location A to location D, while the kinetic energy increases simultaneously.
A student observes a roller coaster at locations A, B, C, and D on the track.
400
Total mechanical energy(kJ
350
300
150
200
150
100
Mechanical Energy of a Roller Coaster Car
Location
Kinetic Energy
Potential Energy
Which statement is true according to the bar graph?
A- © The roller coaster destroys potential energy.
B-• Both potential and kinetic energy change, but total energy does not change.
C-© The roller coaster creates kinetic energy.
D-• The roller coaster creates potential energy, but kinetic energy does not change.
According to the bar graph, the correct statement is:
B-• Both potential and kinetic energy change, but total energy does not change.
When the pendulum shown below swings from point A to point B, what happens to its total mechanical energy (ignoring friction)?
• Total mechanical energy stays the same.
© Total mechanical energy goes up.
• Total mechanical energy is not conserved.
• Total mechanical energy goes down.