physics

posted by .

An elevator weighing 2400 N ascends at a constant speed of 5.0 m/s. How much power must the motor supply to do this?

  • physics -

    Rate of work done
    = 2400N*5m/s
    Multiply and convert to units of power.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    An elevator weighting 2500 N ascends at a constant speed of 8 m/s. How much power must the motor supply to do this?
  2. Physics

    A 1000kg elevator carries a maximum load of 800kg. A constant frictional force of 5000N retards the elevator's motion upward. What minimum power, in kilowatts, must the motor deliver to lift the fully loaded elevator at a constant …
  3. physics

    A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period?
  4. physics

    A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period?
  5. physics

    A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period?
  6. physics please help

    A 690 kg elevator starts from rest. It moves upward for 2.56 s with constant acceleration until it reaches its cruising speed, 1.84 m/s. What is the average power of the elevator motor during this period?
  7. Physics

    A 500 kg elevator starts from rest. It moves upward for 4.00 s with constant acceleration until it reaches its cruising speed, 1.75 m/s. (a) What is the average power of the elevator motor during this period?
  8. Physics

    Searches related to a motor lifts an elevator of mass m at constant speed. The power output of the motor is P and there are no frictional losses so that all the power output from the motor goes into lifting the elevator mass. What …
  9. Physics

    A motor lifts an elevator of mass m at constant speed. The power output of the motor is P and there are no frictional losses so that all the power output from the motor goes into lifting the elevator mass. What is the correct expression …
  10. Physics

    An elevator weighing 400kg is to be lifted up at a constant velocity of 0.6m/s for this purpose a motor of required horse power is used. (g=9.8m/s).(a)What is the acceleration of motor in case of upward motion?

More Similar Questions