Quỹ đạo chuyển động của vật là đường thẳng?

Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?

In the 1980's, congress authorized the u.s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque