7) A particle moving in a straight line slows down at a constant rate from 50 m/s to 25 m/s in 2 seconds. What is the acceleration of the particle? O -12.5m/s^2 O -20.8m/s^2 O 10m/s^2 O 100m/s^2 8) Consider a loop with 50 square turns that is 12 cm on a side and is in a uniform 0.6 T magnetic

7) A particle moving in a straight line slows down at a constant rate from 50 m/s to 25 m/s in 2 seconds. What is the acceleration of the particle? O -12.5m/s^2 O -20.8m/s^2 O 10m/s^2 O 100m/s^2 8) Consider a loop with 50 square turns that is 12 cm on a side and is in a uniform 0.6 T magnetic

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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Question

7) A particle moving in a straight line slows down at a constant rate from 50 m/s to 25 m/s in 2
seconds. What is the acceleration of the particle?
O -12.5m/s^2
O -20.8m/s^2
O 10m/s^2
O 100m/s^2
8) Consider a loop with 50 square turns that is 12 cm on a side and is in a uniform 0.6 T magnetic
field. Find the current through a loop needed to create a maximum torque of 9.00 N Â- m.
O 14A
18A
O 8A
O 21A

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Question 3 and 4
4. The loop in figure is being pushed into the 0.80 T magnetic field at 70 m/s. The resistance of the loop is 0.20 2. What are the direction and the magnitude of the current in the loop? Assume that x = 5.0 cm V • • B ● ● • ● ● • ● ● x ●
1a. What is the maximum force on an aluminum rod with a 0.450-µC charge that you pass between the poles of a 2.00-T permanent magnet at a speed of 2.00 m/s? 1b.In what direction is the force? - parallel to both the velocity and the magnetic field - parallel to the velocity and perpendicular to the magnetic field - perpendicular to the velocity and parallel to the magnetic field - perpendicular to both the velocity and the magnetic field
true or false? parts d and e only
An electron is introduced into a uniform magnetic field, Bx = 50.0 μTesla directed at right angles to the electron’s velocity vy = 5 x105 m/s. The electron subsequently moves in a circular path. What is the radius of the circular path? Select one: a. 2.84 cm b. 5.68 cm c. 56.8 cm d. 2.84 m
QUESTION 8 Three positively charged point particles, each with identical mass and velocity, pass through an aperture and are subsequently deflected into circular paths by a uniform magnetic field that points into the page. Which of the following choices is the correct ranking for the amount of positive charge in each particle? В A B, a. qB < qA
Exercise 7.23 A 2.20 kg mass is pushed against a horizontal spring of force constant 26.0 N/cm on a frictionless air table. The spring is attached to the tabletop, and the mass is not attached to the spring in any way. When the spring has been compressed enough to store 15.0 J of potential energy in it, the mass is suddenly released from rest. Part A Find the greatest speed the mass reaches. Express your answer in meters per second. nνα ΑΣφ ? Umax = m/s Submit Request Answer Part B Complete previous part(s) Part C What is the greatest acceleration of the mass? Express your answer in meters per square second. Πνα ΑΣφ ? Amax = m/s² Submit Request Answer Part D Complete previous part(s)
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