Answer:
Is this spanish?
Explanation:
You should select Choice-4 .
= 338.2 m/s
vs= 331 + T (0.6m/s)
= 331 + 12 °C (0.6m/s)
= 331 + 7.2m/s
Efficiency of a machine is how well the machine works and what the machine is capable of doing.
Mechanical advantage=Load/Effort.
720/180=4