Estimate what power is deliever by the helicopter

Assignment Help Physics
Reference no: EM13550874

A helicopter lifts a stretcher with a 74 kg accident victim in it out of a canyon by applying a vertical force on the stretcher. The stretcher is attached to a guide rope which is 50m in long and makes an angle of 37 degrees with respect to the horizontal.

A. what is the minimum amount of work that the helicopter needs to do to lift the injured person and stretcher to its cockpit.

B. If the operation takes 10 seconds, what power is deliever by the helicopter in J/sec? In horsepower?

Reference no: EM13550874

Questions Cloud

Coefficient of kinetic friction between sledge and surface : A sledge loaded with bricks has a total mass of 17.1kg and its is pulled at constant speed by a rope inclined at 20.0 degrees above the horizontal. the sledge moves a distance of 20.8 m on a horizontal surface. The coefficient of kinetic friction ..
Determine what force is required to hold it completely : A ball has a diameter of 3.77 cm and average density of 0.0842 g/cm3. What force is required to hold it completely submerged under water
What is the approximate energy required to raise : What is the approximate energy required to raise the temperature of 9 L of air by 300 °C? The volume is held constant. (Assume air almost entirely consists of nitrogen, oxygen, and argon, and that it is initially at 273 K.
Obtain what is the final temperature of the mixture : A 60-g ice cube at 0°C is placed in 727 g of water at 28°C. What is the final temperature of the mixture
Estimate what power is deliever by the helicopter : A helicopter lifts a stretcher with a 74 kg accident victim in it out of a canyon by applying a vertical force on the stretcher. what power is deliever by the helicopter
Takes a directory containing files that record : Create a program called grading.py that takes a directory containing files that record how student's performed on their assignments and from these files determines each students grades in addition to the course statistics.
Quantity of liquid water comes into equilibrium with the air : A quantity of liquid water comes into equilibrium with the air in a closed container, without completely evaporating, at a temperature of 25.0 °C. How many grams of water vapor does 9 liters of the air contain in this situation? The vapor pressure..
Explain how is the solution adjusted to the ph : The ananlysis procedure in this experiment requires that the titration be conducted at a pH = 10. How is the solution adjusted to this pH
What is the variation of pressure in the sound wave : A microphone has an area of 3.0cm^2. It receives during a 6.00s time period a sound energy of 1.0x10-11J. what is the variation of pressure in the sound wave if the speed of sound is 343m/s

Reviews

Write a Review

 

Physics Questions & Answers

  How far from the point of firing does other fragment strike

A 16.0-kg projectile is fired at an angle of 60.0° above the horizontal with a speed of 86.0 m/s. How far from the point of firing does the other fragment strike

  Compute the resulting charge on each capacitor

Capacitors C1 = 5.80 µF and C2 = 2.40 µF are charged as a parallel combination across a 250 V battery. Calculate the resulting charge on each capacitor

  What is the velocity of the more massive fragment

An unstable particle is at rest and suddenly breaks up into two fragments. No external forces act on the particle or its fragments. What is the velocity of the more massive fragment

  Determine the angular frequency of the motion

The length of a simple pendulum is 0.79 m, and the mass of the bob at the end of the cord is 0.24 kg. What is the angular frequency of the motion

  How far did the mirror move

A Michelson interferometer uses light from glowing hydrogen at 486.6nm. As you move one mirror, 555 bright fringes pass a fixed in the viewer

  Estimate the horizontal distance the ball would travel

A small steel ball bearing with a mass of 17.0 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.25 m. Calculate the horizontal distance the ball would travel

  Find the magnitude of the tension in the wire

A 1290-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1805-N crate hangs from the far end of the beam. find the magnitude of the tension in the wire

  What net charge is enclosed by the gaussian cube

An electric field given by = 7.4· - 4.4(y2 4.7)· pierces a Gaussian cube of edge length 4.0 m, What net charge (in Coulombs) is enclosed by the Gaussian cube

  What must be the focal length of the eyepiece

The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. what must be the focal length of the eyepiece

  Calculate the spring constant and its uncertainty

You make a plot of displacement (Y ? Y0) in meters versus spring force (Fs) in Newtons for the data you have collected in lab and use LoggerPro to fit a line to your data. Calculate the spring constant and its uncertainty

  Determine how far did it move

A space probe accelerated uniformly from 50 m/s at t = 0 to 150 m/s at t = 10 sec. How far did it move between t = 2.0 sec and t = 6.0 sec

  Estimate the phase difference between the two waves

Two traveling sine waves, identical except for a phase difference of phi, What is the phase difference between the two waves

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd