What is the average power generated with lifting force

Assignment Help Physics
Reference no: EM13672668

A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 720-kg helicopter rises from rest to a speed of 8.5 m/s in a time of 4.0 s. Through this time it climbs to a height of 9.5 m. What is the average power generated with the lifting force?

Reference no: EM13672668

Questions Cloud

What is its impact speed with the ground : A ball is thrown up with an initial speed of 32m/s from a height of 84m. How long is the ball in the air? What is its impact speed with the ground? At what time wills the object be halfway between the starting point and the ground,
Motorcycle rider moving with an initial velocity : A motorcycle rider moving with an initial velocity of 6.8 m/s uniformly accelerates to a speed of 19.4 m/s in a distance of 30.0m. What is the acceleration?  How long does it take?
Discover the maximum kinetic energy of the cart : A 0.44 kg air cart is attached to a spring and allowed to oscillate. You are given the displacement of the air cart from equilibrium to be x = (23.1 cm) cos [(1.04s-1)t + π]. Discover the maximum kinetic energy of the cart. Discover the maximum force..
How far skier moving when she gets the bottom of the hill : A 65kg skier is moving at 6050 m/s on a frictionless, horizontal snow-covered plateau when she encounters a rough patch3.50m long. The coefficient at kinetic friction between this patch and her skis is 0.300. After crossing the rough patch and return..
What is the average power generated with lifting force : A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 720-kg helicopter rises from rest to a speed of 8.5 m/s in a time of 4.0 s. Through this time it climbs t..
Inner edge of race track : The inner edge of a race track is in the form of a rectangle with two semicircular ends on the shorter sides. The rectangle is 82.0 m wide and 137.0 m long. The race track is 5.50 m wide.
Average acceleration through this time interval : A hawk is flying north at 2.0 m/s with respect to the ground; 10.0 s later, it is flying south at 5.0 m/s. What is its average acceleration through this time interval?
A mass m descends a vertical distance from rest : A mass m descends a vertical distance from rest. (Neglect friction and the mass of the string.) A.) from the conservation of mechanical energy, will the linear speed of the descending mass be (1) greater than, (2) equal to, or (3) less than the squar..
Two metal plates are held together with two steel rivets : Two metal plates are held together with two steel rivets, each of diameters of 0.20 cm and length 1.0 cm. How much force should be applied parallel to the plates to shear off both rivets?

Reviews

Write a Review

Physics Questions & Answers

  What is the change in the stopping potential

In a photoelectric-effect experiment, the wavelength of light shining on an aluminum cathode is decreased from 249nm to 207nm. What is the change in the stopping potential

  A parallel plate capacitor has plates each of area 100 cm2

a parallel plate capacitor has plates each of area 100 cm2 and with separation 0.25 mm. if this capacitor is charged

  Estimate the phase difference between the sounds

Estimate the phase difference between the sounds received by your ears when you are facing 90° away from the direction of the source

  What is the angle between the protons velocity and the field

A proton moving at 4.30 106 m/s through a magnetic field of 1.75 T experiences a magnetic force of magnitude 8.04 10-13 N

  Find the direction of the velocity vector at the instant

The position vector,r, in meters, of a particle moving in the x-y plane, is giving by the following equation: r=i(2t^2-8t-12)+j(2t^3-18t^2+48t+25), find the direction of the velocity vector at the instant

  The protons speed upon entering the field is 285times105

a proton is fired into a uniform electric field opposite to the direction of the field. the protons speed upon entering

  Determine the constant angular acceleration of the wheel

A rotating wheel requires 3.03-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.03-s interval is 99.0 rad/s

  What is the formula for the acceleration a of the hanger

What is formula for the acceleration a of the cart in terms of the tension T, and its mass M? make use of the two equations you found above to eliminate T to give the acceleration of the cart in terms of M, m and g. Compute the numerical value for..

  Determine how much work is done by that force

Suppose the force on an object is (5i-8j) N over a displacement of (5i+2j) meters. How much work is done by that force

  What is the grocery carts final speed

A 72 kg man in a 5-kg chair tilts back so that all weight is balanced on two legs of the chair. Assume that each leg makes contact with the floor over a circular area with the radius of 1.0 cm, and find out the pressure exerted on the floor by eac..

  You are conducting an osmosis experiment with a

1 you are conducting an osmosis experiment with a semi-permeable dialysis membrane of fixed pore size. if the solution

  How far from the gun does the other fragment land

A runner moving at a constant speed of 11.7 m/s rounds a curve of radius 4.10 m. calculate the acceleration of the runner. (State the magnitude of this acceleration.)

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