A string under a tension of 59N is used to whirl a rock in a horizontal circle of radius 3.9 m at a speed of 23.9 m/s. The string is pulled in and…

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October 1, 2020
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A string under a tension of 59N is used to whirl a rock in a horizontal circle of radius 3.9 m at a speed of 23.9 m/s. The string is pulled in and the speed of the rock increases. When the string is 0.482 m long and the speed of the rock is 53 m/s, the string breaks. What is the breaking strength (in newtons) of the string

A string under a tension of 59N is used to whirl a rock in a horizontal circle of radius 3.9 m at a speed of 23.9 m/s. The string is pulled in and…

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P4(s) + 5O2(g) ” P4O10(s) III. PCl3(g) + Cl2(g) ” PCl5(g) IV. PCl3(g) + (1/2)O2(g) ” Cl3PO(g) Calculate the value of H for the reaction below:…