Question
What determines an object's kinetic energy?
a. mass and position
b. weight and position
c. weight and speed
d. mass and speed
a. mass and position
b. weight and position
c. weight and speed
d. mass and speed
Answers
GPT 3.5
d. mass and speed
What is the energy transformation that occurs when a smoke alarm goes off?
a
Electrical to potential
b
Electrical to sound
c
Potential to electrical
d
Sound to light
a
Electrical to potential
b
Electrical to sound
c
Potential to electrical
d
Sound to light
GPT 3.5
b. Electrical to sound
You are cooking pasta and putting a pot of water on an electric stove. When the water starts to boil, you add the pasta. What energy transformation occurs to cook the pasta?
a
heat energy to mechanical energy
b
electric energy to heat energy
c
nuclear energy to heat energy
d
mechanical energy to light energy
a
heat energy to mechanical energy
b
electric energy to heat energy
c
nuclear energy to heat energy
d
mechanical energy to light energy
GPT 3.5
b. electric energy to heat energy
Hydroelectric dams work by blocking the path of a water source to create an area with water held back by the dam. The dam can then be opened to allow water to be released. The energy from the moving water is used and transformed into electrical energy. What type of energy does a hydroelectric dam capture as the water passes through?
a
Sound Energy
b
Nuclear Energy
c
Light Energy
d
Mechanical Energy
a
Sound Energy
b
Nuclear Energy
c
Light Energy
d
Mechanical Energy
GPT 3.5
d. Mechanical Energy
The total amount of energy in the universe never changes, but the availability of each different type of energy to do work can change tremendously. What best explains this change in available energy?
a
Energy is regularly changing from one form into another.
b
Energy can only be created through nuclear reactions.
c
Energy can only be transferred as heat.
d
Energy is always converted with 100 percent efficiency.
a
Energy is regularly changing from one form into another.
b
Energy can only be created through nuclear reactions.
c
Energy can only be transferred as heat.
d
Energy is always converted with 100 percent efficiency.
GPT 3.5
a. Energy is regularly changing from one form into another.
An oven is being used to bake cookies in this house. What energy transformations occur when baking cookies in this house?
a
heat energy → electrical energy → chemical energy
b
light energy → electrical energy → heat energy
c
heat energy → chemical energy → light energy
d
heat energy → light energy → chemical energy
a
heat energy → electrical energy → chemical energy
b
light energy → electrical energy → heat energy
c
heat energy → chemical energy → light energy
d
heat energy → light energy → chemical energy
GPT 3.5
a. heat energy → electrical energy → chemical energy
A student wants to show the transfer of heat energy without matter. Which investigation design would best help the student?
a
an investigation of radiation through electromagnetic waves
b
an investigation of radiation through a current in a fluid
c
an investigation of conduction through the movement of particles through a solid
d
an investigation of conduction through collisions between particles in space
a
an investigation of radiation through electromagnetic waves
b
an investigation of radiation through a current in a fluid
c
an investigation of conduction through the movement of particles through a solid
d
an investigation of conduction through collisions between particles in space
GPT 3.5
a. an investigation of radiation through electromagnetic waves