For conduction to occur,

A. dark objects are required to absorb energy.

B. substances must be in contact with each other.

C. hot and cold regions must flow within a substance.

D. heat must transfer from an area of less energy to more energy.

The frequency of a wave is tripled, while the wave speed is held constant. What happens to the wavelength?

Which of the following would have the highest power rating? 100 joules of energy used in 0.5 seconds 500 joules of energy used in 0.5 seconds 100 joules of energy used in 0.25 seconds 500 joules of energy used in 0.25 seconds

What do scientists call a property of matter that can be observed without changing the identity of the matter itself?

List three examples of word cookie sheets basic uses are

Which component measures the potential difference across a branch in a circuit? A. switch. B. resistor. C. ammeter. D. voltmeter.

How does a bicycle rider's energy of motion changes as the gain speed while riding down a hill? Options: A) It is lost. B) It increases. C) It remains the same. D) It is stored in the bicycle rider.

When is a sailboat the stand on vessel in relations to a recreational power boat?

What happens when a balloon is rubbed with a woollen cloth?

A child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an equal and opposite force on the child. how can the wagon accelerate? (hint: draw a free-body diagram for each object.)

Which wavelengths of light is the highest in energy?