Answer: It wasn't that long ago that frames were made out of cast iron or even wood. Today bicycles are made out of exotic materials such as titanium, aluminum, and carbon fiber. Bicycle frames in the 1990s are lighter and stronger than ever before. A racing bicycle frame with parts of the frameset indicated.
Explanation:
Rutherford's model didn't not account for the properties of electrons. bohr placed electrons in layers of orbit so C
Electrons are added to the same principal energy level.
Hello!
The force on the student is equal to the force the student exerts, so 100N is your answer.
Hope this helped :))
