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A 20 kg traffic light hangs midway on a cable between two poles 40 m apart. If the sag in the cable is 0.20 m, what is the tension in each side of the cable?

A block is launched up an inclined plane. After going up the plane, it slides back down to its starting position. The coefficient of friction between the block and the plane is 0.3. The speed of the block when it reaches the starting position on the trip down:

Test 2 will be offered from 11:59 pm on 6/24/2025 to 11:59 pm on 6/25/2025. Once you start the test, you have 110 minutes to finish it. Please do the following to take Test 2:Log into Blackboard with your STC credentials.Scroll down to Test 2 and click on Test 2. (You need to enable Honorlock to take the test.)You have 110 minutes to complete the Test.Test 2 will cover Chapters 4 and 5 of the textbook, i.e. the discussions in Lecture_4 and Lecture_5.You can use calculators during the test but it is a closed book test. You can use the formula sheets provided by me during the test.The test contains two parts. Part 1 is multiple choice questions and you only need to choose the correct answer for each question. Part 2 is essay questions and you need to provide the procedures to obtain your answers for the questions.For multiple choice questions (question 1 to question 10), you only need to select the correct answers.For free-response questions (question 11 to question 13), you need to show the procedures to obtain your answers. You input the procedures through the boxes below the free-response questions and it would not get full credit for solutions that only have answers but not procedures to obtain the answers.After you complete the test or before the 110 minutes are up, you make sure to submit your test. Please don’t email me your solutions for free-response questions to my email at gxu@southtexascollege.edu.It is your responsibility to make sure that you have submitted all your answers. Once you leave the test site, please don’t email me any more of your answers for the test.Do well in your studies.

As I slide a box at constant speed up a frictionless slope, pulling parallel to the slope, the tension in the rope will be:

An Earth satellite is orbiting at a distance from the Earth’s surface equal to one Earth radius (6378000 m). At this location, the acceleration due to gravity is what factor times the value of g=9.81 m/s2 at the Earth’s surface?

The goal of the American Colonization Society was to: ​

Many of the women who participated in reform activities during the mid-nineteenth century adhered to which system of beliefs?

Which U.S. region led the nation in manufacturing in the middle of the nineteenth century?

How did antebellum southern men’s emphasis on chivalry affect southern law?

When Mexico refused the Polk administration’s offer to buy Mexico’s northern territories in 1846, policymakers in the administration realized manifest destiny would require: