Why to assume charge 1 is located at the origin of x axis., Ask an Expert

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Q. Now complete your visual overview by identifying the known variables and the variables you must find. Assume charge 1 is located at the origin of the x axis and the positive x axis points to the right. Let , , and denote the positions of charge 1, charge 2, and charge 3, respectively. Determine which of the quantities are known and which are unknown.

Q. A ball is thrown directly downward with an initial speed of 8.70 m/s, from a height of 30.6 m. After what time interval does it strike the ground?

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