9.1 x 10-31 kg) is accelerated from rest to a speed of 2 x 108Extra: An electron (mass :m/s in 1 second.(a) What is the momentum of the electron when it has reached this speed?(b) What was the average force needed to accelerate the electron to this speed?(c) Suppose the same force as in (b) continues to act on the electron, how fast will it be 0.5s later?(What, if anything, can you conclude from your results? Do they make sense?)

Answered: Image /qna-images/answer/37375e8d-455b-44a3-bec7-94cb3b8cc5cb.jpg

Answered: Extra: An electron (mass = 9.1 × 10-31…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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It is generally a good idea to gain an understanding of the size of units. Consider each object and calculate the magnitude of their momentum in SI units. A ladybug with mass 32.90 milligrams flies by your head at 4.53 km/h. magnitude of the momentum: A 30.70 km boy walks at 4.27 km/h. magnitude of the momentum: A car with mass 997 kg is moving at a speed of 40.1 km/h. magnitude of the momentum: Based on the previous results, which scenario likely describes an object possessing 1 kg-m/s? a mosquito flying through a swamp a cat walking down a sidewalk a beetle walking across a jungle floor a tiger running after prey an elephant running across a field kg-m/s kg-m/s kg-m/s
particle of mass m = 5 kg has total energy (rest energy and kinetic energy) of √10mc². What is the momentum of the particle? Give answer in units of kg. m/s
You find yourself stuck in outer space with nothing but your physics book and a space suit. You have a mass of 91 kg in your suit, and your physics book has a mass of 2.3 kg. In order to make it back to your stationary spaceship before running out of air, you must move at 0.18 m/s. How fast (in m/s) do you have to throw your physics book to achieve this speed?
Suppose a toy truck with a mass of m = 1 kg is moving with a speed of v = 1 m/s. What is the magnitude (in kg · m/s) of its momentum, p? _______________ kg · m/s Now suppose a 2 kg toy truck is moving at 1 m/s. What is the magnitude (in kg · m/s) of its momentum? _________________ kg · m/s Finally, consider a 1 kg toy truck at 2 m/s. What is the magnitude (in kg · m/s) of its momentum? _____________ kg · m/s
When an object's speed doubles, its momentum changes by a factor of _____, and its kinetic energy changes by a factor of ______ .
An object has a kinetic energy of 310 J and a momentum of magnitude 28.1 kg · m/s. (a) Find the speed of the object.(b) Find the mass of the object.
An object is traveling such that it has a momentum of magnitude 22.2 kg · m/s and a kinetic energy of 242 J. Determine the following. (a) speed of the object in meters per second m/s (b) mass of the object in kilograms kg
During a car collision, the knee, thighbone, and hip can sustain a force no greater than 4000 NN. Forces that exceed this amount could cause dislocations or fractures. Assume that in a collision a knee stops when it hits the car's dashboard. Also assume that the mass of the body parts stopped by the knee is about 20% of the total body mass. The person with a mass of 90 kgkg is initially traveling at 18 m/sm/s (40 mi/hmi/h). What minimum stopping time interval in needed to avoid injury to the knee? What is the minimum stopping distance?
Question 15 The graph shows momentum, p, versus time, t, for a spacecraft while it is firing its rocket engines in space. What does the slope of this graph represent? K O the work done on the spacecraft the mass of the spacecraft the net force on the spacecraft the velocity of the spacecraft None of the above
Part 1: an object is moving so that its kinetic energy is 189J and the magnitude of its momentum is 32.9kg•m/s. Determine the speed of the object. Answer in units of m/s Part 2: Determine the mass of the object. Answer in units of kg
A cannon of mass M fires a projectile of mass m. The energy liberated in firing is E. Assume the projectile is discharged horizontally and that the cannon is mounted on wheels of a negligible mass. Using the fact that the energy E is taken up by both cannon and projectile and that momentum is conserved in the firing, do the following: A) Find the velocity of the projectile in terms of the masses and the energy E. B) By writing the velocity of the recoiling cannon in terms of the velocity of the projectile, find a relationship between the energy liberated, E, and the energy of the projectile. C) Explain what happens as M gets very large compared to m.

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