Procedure: 1. Discharge the electroscope by touching it. Using a hard rubber rod and fur, charge the electroscope negatively by touching the charged rubber rod to the electroscope. This is called conduction. Describe how you can test to see if the electroscope is negatively charged, using a negatively charged rod and a positively charged rod. List the method and results. a.

Procedure: 1. Discharge the electroscope by touching it. Using a hard rubber rod and fur, charge the electroscope negatively by touching the charged rubber rod to the electroscope. This is called conduction. Describe how you can test to see if the electroscope is negatively charged, using a negatively charged rod and a positively charged rod. List the method and results. a.

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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(2) The box with M = 40kg shown below is being pulled by two pulleys exerting forces F₁ = 400 N (0₁ = 60°) and F₂ = 200 N (0₂= 15°) up an incline with an angle 0₁ = 30°. If the uk = 0.15. What is the acceleration of the box? Would the F₁ or F₂ be enough alone to pull the box up if the other pulley would stop working?
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Question 4
Question #2 of the attachment. Thank you in advance
Problem 4: Speed deamplifier. In the figure above on the right, block 1 of mass m1 slides along an x-axis on a frictionless floor at speed 4 m/sec.Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass m2 = 2m1. Next, block 2 undergoes a one-dimensional elastic collision with stationary block 3 of mass mz = 4m1. What then is the speed of block 3? Answer: 16 m/sec or 1.78 m/sec.