A is correct......
please vote my answer brainliest. thanks!
Answer:
Positive acceleration
Explanation:
its speeding up so it is positive
Answer:
because the book's is covered by papers
There is a spectrum of electromagnetic radiation with variable wavelengths and frequency, which in turn imparts different characteristics. ... X-rays and gamma rays have the same nature as visible light, radiant heat, and radio waves; however, they have shorter wavelengths and consequently a larger photon energy.
