Physics, 11.01.2021 02:00 jewelz5887
Elevator ERC - Identical springs of uniform spring constant is attached to 3 similar elevators. Case A spring attached to the elevator is pulled up at a constant speed, Case B spring attached to the elevator is moving down at constant speed and Case C spring attached to the elevator is held stationary. From the choices below in which of the case(s) (Case A. Case B, Case C) is the the elevator at equilibrium (Sum of forces equals zero)? To receive any point, Explain your choice in a ERC paragraph. Your explanation should include; Discussion on tension in each of the cable attached to Elevator, whether tension is going to be different or same for each case and facts from equilibrium fact sheet. ** Case A Case B Case C M- M. Wir Constant Speed Constant Speed Stationary (Not Moving)
Answers: 2
Physics, 21.06.2019 22:00
•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?
Answers: 3
Physics, 21.06.2019 23:20
Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity
Answers: 2
Physics, 22.06.2019 05:20
Suppose an objects initial velocity is 10m/s and it’s final velocity is 4 m/s. mass is constant. what can best be concluded about the object based in the work-energy theorem
Answers: 2
Physics, 22.06.2019 05:50
There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?
Answers: 2
Elevator ERC - Identical springs of uniform spring constant is attached to 3 similar elevators. Case...
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