1. V E (a) Calculate is the change in PE when an electron moves through an electric field, E = 50 N/C, directed to the right, a distance of 6 m to the left. Potential Energy, APE: J (b) Is mechanical energy of the electron conserved during the motion? Yes No (c) If the electron starts from rest what is its speed, vf, after traveling 6 m? The mass of the electron is -31 me =9.1×10'kg. V = m/s

1. V E (a) Calculate is the change in PE when an electron moves through an electric field, E = 50 N/C, directed to the right, a distance of 6 m to the left. Potential Energy, APE: J (b) Is mechanical energy of the electron conserved during the motion? Yes No (c) If the electron starts from rest what is its speed, vf, after traveling 6 m? The mass of the electron is -31 me =9.1×10'kg. V = m/s

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 6WUE: A 4.00-kg crate Marling at rest slides dawn a rough 6.00-m-long ramp, inclined at 30.0 below the...

See similar textbooks

Similar questions

Alpha decay is nuclear decay in which a helium nucleus is emitted. If the helium nucleus has a mass of 6.80×10-27kg and is given 5.00 Me V of kinetic energy, what is its velocity?
Which of the following is a unit of work? (4.1) (a) W (b) J s (c) N/s (d) N m
Electric bills from power companies charge for so many kilowatt-hours (kWh). What are we paying for?
A mechanic pushes a 2.50 103-kg car from rest to a speed of v, doing 5.00 103 J of work in the process. During this time, the car moves 25.0 m. Neglecting friction between car and road, find (a) v and (b) the horizontal force excited on the car.
Does the work you do on a book when you lift it onto a shelf depend on the path taken? On the time taken? On the height of the shelf? On the mass of the book?
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance?
This problem gives some idea of the magnitude of the energy yield of a small tactical bomb. Assume that half the energy of a 1.00kT nuclear depth charge set off under an aircraft carrier goes into lifting it out of the water—that is, into gravitational potential energy. How high is the carrier lifted if its mass is 90,000 tons?
A person drops a pebble of mass m1from a height h, and it hits the floor with kinetic energy K. The person drops another pebble of mass m2, from a height of 2h , and it hits the floor with the same kinetic energy K. How do the masses of the pebbles compare?
A 4.00-kg crate Marling at rest slides dawn a rough 6.00-m-long ramp, inclined at 30.0 below the horizontal The magnitude of the force of friction between the crate and the tamp is 8.00 N (a) How much work is done on the crate by friction? (b) What is the change in potential energy of the crate in sliding down the ramp? (c) What is the speed of the crate at the bottom of the incline? (See Sections 5.2 and 5.3.)
What is the cost of operating a 3.00-W electric clock for a year if the cost of electricity is 0.0900 per kWh ?
How much work (in J) is needed to move a proton by 2 cm with a 10000 N of electric force?
1) yes Is it possible to do work on an SBiect that remains at rest? 2) no