A $1.2\,\text{kg}$ mass is held up by a person’s hand and two newton-meters, as shown. After the person’s hand is taken away, what is the mass’s initial vertical acceleration?
- A$0.6\,\text{m s}^{-2}$
- B$2\,\text{m s}^{-2}$
- C$4\,\text{m s}^{-2}$
- D$6\,\text{m s}^{-2}$