Physics

Problem

Machine A lifts a

200\,\text{kg}

crate to a height of

10\,\text{m}

50\,\text{s}

. Machine B lifts a

150\,\text{kg}

crate to a height of

12\,\text{m}

30\,\text{s}

. Take

g = 9.8\,\text{m/s}^2

. Which machine delivers greater power? a) Machine A b) Cannot be compared without knowing

g

c) Machine B d) Both deliver equal power