Question 1
Given a system of coupled identical oscillators \((m_1=m_2=m)\) and \((k_1=k_2=k_3=k)\), how would you define the second normal mode?
a) The two masses oscillate with equal amplitude
b) The two masses oscillate sinusoidally and exactly out of phase
c) The two masses oscillate out of phase
d) The two masses oscillate with equal amplitude and in opposition of phase
Choose one: