What net work is done on the sled

Assignment Help Physics
Reference no: EM13252294

A worker pushes a sled with a force of 50 N over a level distance of 7.0 m. If a frictional force of 20 N acts on the sled in a direction opposite to that of the worker, what net work is done on the sled?

Reference no: EM13252294

Questions Cloud

What the r-square in this regression indicates : Determine which (if any) of the estimated coefficients are statistically different from zero. c. Explain, in plain words, what the R-square in this regression indicates.
The lower of cost or market rule : Discuss whether you feel the lower of cost or market rule (LCM) is a conservative method or not. Support your argument with points incorporating the conceptual framework or your textbook.
Health care manufacturing downloaded from harvard cousepack : Case HEALTH CARE MANUFACTURING downloaded from Harvard cousepack, SEE THE IS/BS MODEL & FLOW DIAGRAM TABS -YOU ARE NOW WORKING WITH RATIOS, FORECASTS, VALUATION, POSSIBLY FINANCING
Both forge greater intimacy and undermine it : How does electronic media "both forge greater intimacy and undermine it. What is your overall view of social media? Cyber bullying? Share your evaluation of how social media affects our society
What net work is done on the sled : A worker pushes a sled with a force of 50 N over a level distance of 7.0 m. what net work is done on the sled
Determine the drip rate : The prescribed antibiotic dosage is doubled to 8.0 mg per hour. Using the 0.75 mL/min saline solution drip, solve for the required antibiotic solution drip rate.
Emery–dreifuss muscular dystrophy : In humans, one form of muscular dystrophy (Emery–Dreifuss muscular dystrophy) is x-linked. A young man, Joe, has muscular dystrophy but his parents do not.
What is the final velocity of the plane : A missile of mass 1.20 102 kg is fired from a plane of mass 4.85 103 kg initially moving at a speed of 3.35 102 m/s. what is the final velocity of the plane?
Business of installing windows : Ruff Hands is in the business of installing windows in houses in Gotham City.  He was contacted by the Caped Crusader to install the windows in his mansion that is under construction.

Reviews

Write a Review

Physics Questions & Answers

  Find the magnitude and direction of tension of third rope

In a ballistics test, a 23-g bullet travelling horizontally at 1300 m/s goes through a 40.0 cm-thick 450-kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.

  How fast did the ball strike the ground

a ball is thrown upward from the roof of a building, passes the roof going down three seconds later, and hits the ground one second after that. how tall is the building? how fast did the ball strike the ground?

  Draw water from a well

Imagine a frictionless pulley (a solid cylinder) of unknown mass M and radius r = 0.200 m which is used to draw water from a well. A bucket of mass m = 1.50 kg is attached to a massless cord wrapped around pulley. The bucket starts from rest at th..

  Determine the net charge on each drop

Two negative, equally charged drops of water, 0.80 mm apart, exert an electrostatic force of 78.5 x 10-9 N on each other. Determine the net charge on each drop. Give your answer in the form "a.bc" pico-Coulombs.

  Illustrate what is the magnitude of the third force

One force is 60.0 N along the x-axis, the second is 75.0 N along a direction making a counterclockwise angle of 150.0° with the x-axis. Illustrate what is the magnitude of the third force?

  Calculate the irradiance on earth

Calculate the irradiance on earth due to radiation from the sun

  Illustrate what net work done by it

The coefficient of kinetic friction is 0.400. Illustrate what should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero?

  What is the electric potential at given location

Two protons are released from rest, one from location 1 and another from location 2. When these two protons reach location 3, what is the electric potential at location 3

  What is the vertical component of initial velocity

A 160 g ball on a 70.70 cm long string is swung in a vertical circle about a point 184 cm above the floor. The string all of a sudden breaks when it is parallel to the ground and the ball is moving upward. The ball reaches a height 543 cm above th..

  What must be the magnitude of the resulting

suppose that the engineer is at x = 0 when, at t = 0, he first spots the locomotive. Sketch x(t) curves for the locomotive and high-speed train for the cases in which a collision is just avoided and is not quite avoided.

  What is the frequency of the second harmonic

An organ pipe is open at one end and closed at the other. The pipe is designed to produce the note middle C, What is the frequency of the second harmonic

  How much work does the electric field

How much work does the electric field do in moving a -7.7 microCoulomb charge from ground to a point whose potential is +positive 55V higher.

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