Question(Physics 20) about Power(watts)

[Jyote25]

Homework Statement

An 8.5x10² elevator (including occupants) is pulled up at a constant velocity of 1.00 m/s by an electric motor. Calculate the power output of the electric motor.

Homework Equations

P=W/t

F=ma

v=d/t

a=v/t

The Attempt at a Solution

Having trouble figuring out what the acceleration and time are in order to find force times distance(Work)

Thank you for your help!

 

[tiny-tim]

Hi Jyote25!

An 8.5x10² elevator (including occupants) is pulled up at a constant velocity …
…
Having trouble figuring out what the acceleration and time are in order to find force times distance(Work)

acceleration is zero

time of what?

 

[Jyote25]

Is time really needed to solve this equation? I guess not since we've already figured out that Acceleration is zero. But in order to find work we still need distance...ideas?

 

[tiny-tim]

Is time really needed to solve this equation? I guess not since we've already figured out that Acceleration is zero. But in order to find work we still need distance...ideas?

very true …

but who asked you for the work? ​

 

[Jyote25]

Well, in order to find Power we need work to find Joules/second, which equates to a Watt, which is going to be the 'power output' of the motor. P=W/t

 

[tiny-tim]

yeeees … well, since you don't know the work and you don't know the time, that's a teeny bit unhelpful!

hint: do you know any formula for power that involves force instead of work?