Question

Favor resolver questões <3

Answer 1

a) Sim

b)

$P_{x_{m_2} } - P_{m_1} = m_{total}a \\\\ m_2g \sin ( \theta )- m_1g = (m_1 + m_2)a \\\\ 4 \times 10 \times 0,6 - 1 \times 10 = ( 1 + 4)a \\\\ 40 \times 0,6 - 10 = 5a \\\\ 24 - 10 = 5a \\\\ 5a = 14 \\\\ a = {14 \over 5} m/s^2 \\\\ \boxed{ a = 2.8 \: m/s^2 }$