Answer to Question #348890 in Physics for Grace Nate

Question #348890

A boy pulls a wagon with a force of 15 lb by means of a rope that makes an angle of 40 degrees with the ground. How much work does the he does in moving the wagon 50 ft?

Expert's answer

"W=Fd\\cos\\theta\\\\\n=\\rm 15\\: lb*50\\: ft*\\cos40^\\circ=575\\: lb*ft=424\\: J"

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. An fm radio station broadcast at a frequency of 109.8 hz. What is the wavelength of the radio signal
2. a car travels 36m/s, accelerates at 2m/s, find its final velocity in 5 seconds if its initial veloci
3. The kinetic energy of a car is 8 ´ 106 J as it travels along a horizontal road. How much power
4. if the source of light is moving towards the observer, then the speed of light received by the obser
5. An insulating sphere with radius of 20cm carries a uniform volume charge density of 1.5×10-⁶ C/m�
6. A person does 360J of work in 3.2s to accelerate a bike at 13m/s^2. This changed the velocity by 31m
7. Consider a hollow spherical conductive shell of radius (R) 0.2 m with a fixed charge of +2.0 x 10-6

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…