A0.800-kg ball is tied to the end of a string 1.60 m long and swung in a vertical circle. (a)during one complete circle, starting anywhere, calculate the total work done on the ballby (i) the tension in the string and (ii) gravity. (b) repeat part (a) for motion along thesemicircle from the lowest to the highest point on the path.
Answers: 2
Physics, 22.06.2019 10:30
Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?
Answers: 3
Physics, 22.06.2019 10:30
The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g
Answers: 1
A0.800-kg ball is tied to the end of a string 1.60 m long and swung in a vertical circle. (a)during...
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