Ejercicios FyQ
A spring is producing waves with a frequency of 4 Hz and a wavelength 0.5 m. What is its velocity? What will be its wavelength if the frequency is doubled? What will be its wavelength if the frequency is reduced to half?
Decide whether the following statements are true or false. Explain the reason if you find them false:
a) An atom is different from an ion.
b) Atoms have more electrons than protons.
c) Two cations attract each other only if they are in contact.
d) Carbon atoms can be better conductors (…)