The Soviet Union's Sputnik 1, it was launched October 4th 1957.
Answer; they are larger and made of rocky material
Answer:
A red light, green light, and blue light differ in wavelength
Explanation:
A red light, green light, and blue light differ in wavelength .
Different colors have different wavelengths or frequencies . Two light having different color may have different amplitude . Amplitude decides the intensity of light , not color. Sometimes , a light may be mixture of many color light like white light of the sun . Such light are not pure .
Answer:
1-watt power is defined as the power produced when 1 Joule of work is done for 1 second.
Explanation:
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