Find the final speed of the person

Assignment Help Physics
Reference no: EM13279510

A rescue helicopter lifts a 80.7-kg person straight up by means of a cable. The person has an upward acceleration of 0.828 m/s2 and is lifted from rest through a distance of 7.19 m.

(a) What is the tension in the cable? How much work is done by

(b) the tension in the cable and

(c) the person's weight?

(d) Use the work-energy theorem and find the final speed of the person.

Reference no: EM13279510

Questions Cloud

Compare and contrast interest rate parity : Compare and contrast interest rate parity, purchasing power parity, and the international fisher effect.
Draw the diagram of circuit that clips off part of sinusoid : Suppose we have a 10-V-peak sinusoidal voltage source. Draw the diagram of a circuit that clips off the part of the sinusoid above 5-V and below -4V. The circuit should be composed of ideal diodes, dc voltage sources, and other components as neede..
Determine the kinetic energy of the shell : A hollow spherical shell has mass 7.85kg and radius 0.220m. What is the kinetic energy of the shell after it has turned through 7.00rev
Show the properties of matrix multiplication : Matrix multiplication is distributive. That is, for any four matrices A, B, C and D of appropriate size, the following two matrix multiplication equalities
Find the final speed of the person : A rescue helicopter lifts a 80.7-kg person straight up by means of a cable. Use the work-energy theorem and find the final speed of the person
Given 100-mhz clock signal derive circuit using d flip-flop : Given 100-MHz clock signal, derive a circuit using D flip-flops to generate 50-MHz and 25-MHz clock signals. Draw a timing diagram for all three clock signals, assuming the flip-flops introduce no delay.
Compute the after-tax cost of purchasing : It would be depreciated under MACRS using a 5-year recovery period. The firm would pay $1,500 per year for a service contract that covers all maintenance costs. There is no salvage value.
Find with what speed does the ball leave the club : A golf club strikes a 0.045-kg golf ball in order to launch it from the tee. find With what speed does the ball leave the club
Find a state graph and table for minimum number of states : A Mealy sequential network has two inputs and one output. Whenever the input sequence 00, 10, 01, or 10, 01, 11 occurs the output is 1 coincident with the last input in the sequence. Find a state graph and table.

Reviews

Write a Review

Physics Questions & Answers

  What is the magnitude of the electric force

Two charges are separated by some distance and the magnitude of the electric force between them is 224.6 Newtons. If the distance between the same two charges is tripled, what is the magnitude of the electric force on them now in Newtons?

  Illustrate what is the speed of the three coupled cars

Illustrate what is the speed of the three coupled cars after the collision? How much kinetic energy is lost in the collision?

  How much work w is done by the electrostatic force

A point charge with charge q1 = 2.80?C is held stationary at the origin, How much work W is done by the electrostatic force on the moving point charge

  What is the charge on each

Two small nonconducting spheres have a total charge of 93.1 ?C. When placed 1.01 m apart, the force each exerts on the other is 11.5 N and is attractive. What is the charge on each?

  Explain the magnitude and direction of the acceleration

Two balls, of masses = 49 and = 67 , are suspended as shown in the figure. The lighter ball is pulled away to a 66 angle with the vertical and released. suppose that positive axis is directed to the right. What is the velocity of the lighter ball ..

  Find the position of the lamp

A candle is placed 16.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 7.5 cm farther away from the mirror. Find out the focal length of the convex mirror.

  What is the angular displacement of baseball

A pitcher throws a curveball that reaches the catcher in 0.55s. The ball curves because it is spinning at an average angular velocity of 280rev/min (assumed constant) on its way to catcher's mitt.

  Find the period of the gliders motion

A 1.00-kg glider attached to a spring with a force constant 9.0 N/m oscillates on a frictionless, horizontal air track. Find the period of the glider's motion

  What is the mass of the star beta and alpha

The two stars in a certain binary star system move in circular orbits. The first star, Alpha, has an orbital speed of 36.0km/s. The second star, Beta, What is the mass of the star Beta and alpha

  Compute the wavelength of the light used

Monochromatic light falling on two slits 1.5×10?2mm apart produces the fifth-order fringe at an 8.9?angle.

  Find the magnitude of the phase difference at the detector

Sources A and B emit long-range radio waves of wavelength 440 m, What is the magnitude of the phase difference at the detector

  What is the wavelength of the standing wave

You have a string with a mass of 0.0131 kg. You stretch the string with a force of 9.31 N, giving it a length of 1.89 m, What is the wavelength of the standing wave you create in the string

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