Gayathri Shinde Asks:
“Please answer this question with explanation:
The power output of a machine that lifts a 600 kg
weight through a height of 20m in 1min is:
@)1.96kW b)0.98kWc)12kW d)3.92kW”
Answer:
Use the formula power = work /time
[youtube=http://www.youtube.com/watch?v=BVxEEn3w688&rel=0&w=480&h=390]
