An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x directionaccelerates from an initial velocity of +6.88 x 105 m/s to a final velocity of 2.30 x 106 m/s while traveling a distance of 0.0685 m. Theelectron's acceleration is due to two electric forces parallel to the x axis: F₁ = 7.84 x 10-17 N, and F2, which points in the -x direction.Find the magnitudes of (a) the net force acting on the electron and (b) the electric force F2.F₂ F₁VO(a) Number i! UnitsN(b) NumberUnitsNeTextbook and Media->CΣ>F2F₁וום10>Assistance Used

Given:Mass of the electron; m=9.11×10−31kgInitial velocity; vi=6.88×105m/sFinal velocity;…

Answered: An electron is a subatomic particle (m…

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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A horizontal force of magnitude F = 56.2 N pushes on a block of mass m = 5.87 kg. The block is on a frictionless incline that makes and angle θ = 33.9 degrees with horizontal.Write an expression for the acceleration ax of the block, taking up the ramp to be the positive x direction. Express your answer in terms of F, m, θ, and g (9.80 m/s2). What is the acceleration of the block in units of meters per seconds squared?
An electron is a subatomic particle (m= 9.11 x 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +7.31 x 105 m/s to a final velocity of 1.98 x 106 m/s while traveling a distance of 0.0545 m. The electron's acceleration is due to two electric forces parallel to the x axis: F₁ = 7.52 x 10-¹7 N, and F2, which points in the -x direction. Find the magnitudes of (a) the net force acting on the electron and (b) the electric force F2. F₁ F₁ F₂ F₁ (a) Number i (b) Number i VO X Units Units
A person whose weight is 516 N is being pulled up vertically by a rope from the bottom of a cave that is 30.5 m deep. The maximum tension that the rope can withstand without breaking is 593 N. What is the shortest time, starting from rest, in which the person can be brought out of the cave?
Two constant forces act on an object of mass m = 4.30 kg object moving in the xy plane as shown in the figure below. Force F, is 26.5 N at 35.0°, and force F, is 48.0 N at 150°. At time t = 0, the object is at the origin and has velocity (3.50î + 2.15j) m/s. 150° 35.0° (a) Express the two forces in unit-vector notation. F, - N (b) Find the total force exerted on the object. N (c) Find the object's acceleration. m/s2 Now, consider the instant t = 3.00 s. (d) Find the object's velocity. m/s (e) Find its position. (f) Find its kinetic energy from V½mv2. kJ (g) Find its kinetic energy from 2mv,2 + EF · AF. kJ
A constant horizontal force pushes a 7.50 kg FedEx package across a frictionless floor on which an xy coordinate system has been drawn. The figure gives the package's x and y velocity components versus time t. What are the (a) magnitude and (b) direction of F? Give the direction as a positive or negative angle of magnitude less than 180° relative to the +x-axis. Vy (m/s) v (m/s) x 10 5 (a) Number (b) Number 1 a 2 Units Units t (s) 3 0 -5 -10 IL 0 ◄► 3 t(s)
Two horizontal forces, P and Q, are acting on a block that is placed on a table. We know that P is directed to the left but the direction of Q is unknown; it could either be directed to the right or to the left. The object moves along the x-axis. Assume there is no friction between the object and the table. Here P = -6.1 N and the mass of the block is 3.8 kg. P (a) What is the magnitudeand direction of Q (in N) when the block moves with constant velocity? (Indicate the direction with the sign of your answer.) 6.1 N (b) What is the magnitude and direction of Q (in N) when the acceleration of the block is +7.5 m/s2. (Indicate the direction with the sign of your answer.) X 22.4 The acceleration given here is due to the net force acting on the object. N (c) Find the magnitude and direction of Q (in N) when the acceleration of the block is -7.5 m/s2. (Indicate the direction with the sign of your answer.) X -34.6 What is the direction of motion of the object when the acceleration is…
A force in the +x-direction with magnitude F(x) = 18.0 N - (0.530 N/m)x is applied to a 8.30 kg box that is sitting on the horizontal, frictionless surface of a frozen lake. F(x) is the only horizontal force on the box.
You are pushing a wooden crate against a rubber floor. The two surfaces have a static coefficient of friction of 0.45 and a kinetic coefficient of friction of 0.38. The floor is horizontal, and the crate has a mass of 25.0 kg, and is initially at rest. You are pushing with a horizontal force of 155 N. What is the magnitude of the force of friction in this case? Give your answer in units of N, to three significant figures.
A model rocket is launched up with a thrust of 44.2 N. At one point in its upward flight, the air resistance is 25.7 N, while its upward acceleration is 27.3 m/s2. What is the mass of the rocket?
G=25
A bowling ball weighing 54.0 N initially moves at a speed of 5.60 m/s. How long must a force of 36.0 N be applied to the ball to stop it?
Determine the force Q-> when the block moves with constant velocity. Express your answer in vector form.

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