During 5th period Dylan was a beast. She resisted the forces applied by 13 other students in her class all at once. Her 13 classmates tried to knock Dylan over, each applying a force of 17 N, and she still didn’t budge. How much force was Dylan pushing back with, and how many people would it take to push Dylan if she can withstand a force of 300 N?

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Following are the  advantages of the parametric equations: 1) they can be used to graph curves that are not functions, like the unit circle.2) the parameter can be used to represent the quantity that is  useful to  provide us with better information about the graph.3)  it is useful to convert between rectangular equations and parametric equations.with specific reference to chemistry,  parametric equations are employ for solving hydrogen and hydrogen-like ions, quantum mechanically. herein, cartesian coordinates are converted in spherical polar coordinates. the solution obtained, when plotted on spherical polar graph paper, provides visualization of atomic orbital such as s,p,d and f. 

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