science

posted by .

How long would it take a 20.0 hp motor to lift a 1,000.0 kg crate from the bottom of a freight's hole deck(40.0m)?

  • science -

    Dductug2233466777.34534656)5$7

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    A crate of mass m (=40 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 30o) above horizontal. a.) The force of gravity on the crate is: b.) The normal force on the crate is: size: N c.) The net force …
  2. physical science

    How long would it take a 20.0 hp motor to lift a 1,000.0 kg crate from the bottom of a freighter's hold to the deck (40.0 m)?
  3. physics

    How long will it take a motor 1500 watt motor to lift a 500kg elevator 30 meters?
  4. Physics

    An electric motor is rated to have a maximum power output of 0.72 hp. If this motor is being used to lift a crate of mass 188 kg, how fast (i.e., at what speed) can it lift the crate?
  5. physics

    A rock is tossed straight up with a speed of 29m/s. When it returns, it falls into a hole 13m deep. Solve for rock's velocity as it hits the bottom of the hole. &How long is the rock in the air, from the instant it is released until …
  6. physics

    a rock is tossed straight up with a speed of 30m/s. when it returns it falls into a hole 10m deep. what is the rocks velocity as it hits the bottom of the whole?
  7. physics

    A clear plastic tube with a diameter of 12cm and 110cm high is filled to the top with mercury. (density = 13.6 kg/m^3). There are three holes, all with a radius of 2 millimeters located 15cm from the bottom, 50cm from the bottom and …
  8. physics

    A worker in a warehouse uses a rope passing through some pulleys to lift a heavy crate. The worker exerts a force five times less than the weight of the crate but has to move the rope four times as far as the crate moves. This situation... …
  9. Physics

    How long will it take a motor with an output power of 4000 W to lift a 250 kg container vertically upwards 25 m?
  10. Physics

    A 20.0-kg crate sits at rest at the bottom of a 20.0 m -long ramp that is inclined at 40 ∘ above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the …

More Similar Questions