A building crane lifts a 1500 lb steel beam to a height of 44 ft. in 10 sec. Find the power developed.

Question

anonymous · Answer

@CShrix

anonymous · Answer

I think you really just need some good notes that clearly defines what the equations are. These are simple questions that you just plug and chug!

$$\huge \text{P}=\frac{\Delta W}{\Delta t}$$

anonymous · Answer

ok thanks

anonymous · Answer

i think its the same with this problem..

anonymous · Answer

An electric motor exerts a force of 400 newtons on a cable and pulls it a distance of 30m in 1 min. Find the power supplied by the motor.

anonymous · Answer

what do you think

anonymous · Answer

Yeah, it's the same equation!

anonymous · Answer

but what is the appropriate sign for this?

anonymous · Answer

ok im done ^^, thanks fr helping

anonymous · Answer

No problem X) Don't forget to close this thread if you don't have anymore questions!