If the amplitude of the waves coming from a light bulb decreased, which would you expect to happen?
a) the intensity of the light would increase.
b) the light waves would travel faster.
c) the brightness of the bulb would decrease.

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Specific heat refers to the amount of heat required to change 1 gram of a substance by degree(s) celsius

Three resistance 4,4 and 6 ohms are joined in the series. the total resistance will be