Question

Ma puteti ajuta, va rog super mult? As ramane foarte recunoscatoare/

Answer 1

Răspuns:

Explicație:

$\frac{m_1}{m_2}=\frac{1}{2}=> 2m_1 = m_2 \\E_{c1} = E_{c2} => \frac{m_1\cdot v^2_1}{2} = \frac{m_2\cdot v^2_2}{2} =>\frac{v^2_1}{v^2_2} = \frac{m_2}{m_1} =2 => \frac{v_1}{v_2} = \sqrt{2}$