Question

1. What unit is used to measure energy and work? A. joules B. kilograms C. meters D. meter per second (m/s) 2. Which described the sum of potential energy and kinetic energy of the object or system? A. work B. total energy C. transformation D. mechanical Energy 3. What happens to the energy when a roller coaster is at the bottom of a hill? A. low Kinetic Energy B. high Kinetic Energy C. high Potential Energy D. equal Amount of Kinetic and Potential Energy 4. How much kinetic energy does a baseball, with a mass of 0.143kg, have if it is traveling with a velocity of 41.1m/s? A. 89.7 J B. 108.3 J C. 120.8 J D. 156.6 J 5. A pendulum moving to and fro is an example that exhibits the conservation of mechanical energy. What happens to the potential energy and the kinetic energy as the pendulum moves to and fro? A. as the height decreases, PE is lost, and KE is gained. B. as the height decreases, PE is transformed, and KE is lost. C. as the height decreases, PE remains constant, and KE is lost. D. as the height decreases, PE is lost, and KE remains constant.

          1. What unit is used to measure energy and work?
A. joules
B. kilograms
C. meters
D. meter per second (m/s)
2. Which described the sum of potential energy and kinetic energy of the object
or system?
A. work
B. total energy
C. transformation
D. mechanical Energy

3. What happens to the energy when a roller coaster is at the bottom of a hill?
A. low Kinetic Energy
B. high Kinetic Energy
C. high Potential Energy
D. equal Amount of Kinetic and Potential Energy
4. How much kinetic energy does a baseball, with a mass of 0.143kg, have if it
is traveling with a velocity of 41.1m/s?
A. 89.7 J
B. 108.3 J
C. 120.8 J
D. 156.6 J
5. A pendulum moving to and fro is an example that exhibits the conservation
of mechanical energy. What happens to the potential energy and the kinetic
energy as the pendulum moves to and fro?
A. as the height decreases, PE is lost, and KE is gained.
B. as the height decreases, PE is transformed, and KE is lost.
C. as the height decreases, PE remains constant, and KE is lost.
D. as the height decreases, PE is lost, and KE remains constant.

1. What unit is used to measure energy and work?
A. joules
B. kilograms
C. meters
D. meter per second (m/s)
2. Which described the sum of potential energy and kinetic energy of the object
or system?
A. work
B. total energy
C. transformation
D. mechanical Energy

3. What happens to the energy when a roller coaster is at the bottom of a hill?
A. low Kinetic Energy
B. high Kinetic Energy
C. high Potential Energy
D. equal Amount of Kinetic and Potential Energy
4. How much kinetic energy does a baseball, with a mass of 0.143kg, have if it
is traveling with a velocity of 41.1m/s?
A. 89.7 J
B. 108.3 J
C. 120.8 J
D. 156.6 J
5. A pendulum moving to and fro is an example that exhibits the conservation
of mechanical energy. What happens to the potential energy and the kinetic
energy as the pendulum moves to and fro?
A. as the height decreases, PE is lost, and KE is gained.
B. as the height decreases, PE is transformed, and KE is lost.
C. as the height decreases, PE remains constant, and KE is lost.
D. as the height decreases, PE is lost, and KE remains constant.

Added by Christine S.

Question

Please give Ace some feedback