How much work does the string

Assignment Help Physics
Reference no: EM13100515

A boy flies a kite with the string at a 30 degree angle to the horizontal. The tension in the string is 4.5N . How much work does the string do on the boy if the boy stands still? How much work does the string do on the boy if the boy walks a horizontal distance of 11m away from the kite? How much work does the string do on the boy if the boy walks a horizontal distance of 11m toward the kite?

Reference no: EM13100515

Questions Cloud

How much power must the motor supply : An elevator weighing 2500 N ascends at a constant speed of 8.0 m/s. How much power must the motor supply to do this?
Determine the percentage of samples of size : Scores of an aptitude test are normally distributed with a mean of 280 and a standard deviation of 30. Determine the percentage of samples of size 4 that have a mean score within 21 points of the population mean score of 280.
Information about binomial distribution : Given a binomial distribution with n=29 and p=0.83, would the normal distribution provide a reasonable approximation? Why or why not.
Write implications for treatment from cultural influences : Write down the implications for treatment from the following cultural influences: A 1st generation 50 year old greek american female is looking treatment as her husband is verbally abusive.
How much work does the string : How much work does the string do on the boy if the boy walks a horizontal distance of 11m away from the kite? How much work does the string do on the boy if the boy walks a horizontal distance of 11m toward the kite.
Description of probability calculation-z score : X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities:
Need the test effect and test statistic : I have the t-score of 1.660 an a standard error of .036. I hope they are correct, but also need the test effect and test statistic, p-value.
Rank the model of dimensions of leadership competency : How would you rank the model of the Dimensions of Leadership Competency if you have to rank from most important to least and Why?
What is the recoil speed of the nucleus : In one such decay, the electron and the neutrino are emitted at right angles to each other. The electron(mass 9.11 x 10^-31kg) has a speed of 5.00×10^7m/s and the neutrino has a momentum of 8.10×10^-24kg m/s. What is the recoil speed of the nucleu..

Reviews

Write a Review

Physics Questions & Answers

  How can fast will each be moving

Two identical +9.5 uC point charges are initially 3.5cm apart from each other. If they are released at the same instant from rest, how fast will each be moving as they are very far away from each other? Assume they have identical masses of 1 mg.

  Find out the maximum reading of the scale

The 60kg cradle A is carrying the 12 kg pipe B at the speed of 8 m/s when it hits the rigid wall. suppose all the impacts are plastic, determine the speed of the pipe immediately after the impacts. Neglect friction.

  What is the terminal voltage of the battery

The loaded cab of an elevator has a mass of 3.0 x 10^3 kg and moves 145 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab.

  Rank the objects on the basis of their temperature

A 20.00 kg wood ball hangs from the 1.10 long wires. The maximum tension the wire can withstand without breaking is 600 N. A 0.710 kg projectile travelling horizontally hits and embeds itself in the wood ball. What is the largest speed this projectil..

  Calculate the energy density in the electric field

Calculate the energy density in the electric field. After the collision, the club head travels (in the same direction) at 46 m/s. Find the speed of the golf ball just after impact.

  What is the change in potential energy

A person does 100 joules of work of pulling back the string of the bow. What will be the original speed of a 0.5 killogram arrow when it's fired from the bow.

  How eological energy different from biological energy

A constant horizontal force a pushes a kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. package's x and y velocity components versus time t.

  At what two locations on x-axis is the potential zero

A woman on a 10 speed bicycle travels at 9 m/s relative to ground as a she passes a little boy on a tricycle going in the opposite direction. If the boy is travelling at 1m/s relative to the ground, how fast does the boy appear to be moving relati..

  What was its final angular speed in rpm

What mass of water (at 4.0 C) can be contained in a rectangular box whose dimensions are 10 cm by 5.00 cm by 1.00 cm? The density of water at 4C is 1.000 X 10 kg/m-cubed.

  Calculate the angular separation

An astronaut in a satellite says she can just barely resolve two point sources on the Earth, 110km below. Assume λ=540nm, and the pupil diameter of the astronaut's eye to be 5.20mm.

  Makeshift child''s swing- child''s weight, magnitude of force

Makeshift child's swing: Child's weight, magnitude of force, maximum angle, A makeshift swing is constructed by making a loop in one end of a rope and tying the other end to a tree limb.

  When does the shoe reach the ground

A parachutist descending at the speed of 25 m/s loses a shoe at an altitude of 50 m. (Assume the positive direction is upward.)

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