Question

Please solve with full explanation.​

Answer 1

Answer:

V=200/43 m/s

Explanation:

$m_{girl} = 40 \: kg \\ u_{girl} = 5 \: m/s \\ m_{cart } = 3kg \\ initial \: velocity \: of \: cart \: u_{cart} = 0 \\ final \: velociy = v \\40 \times 5 + 3 \times 0 = (40 + 3)v \\ v = \frac{200}{43} m/s$

Answer 2

Answer:

no I don't mind any thing and I don't wanna offend u