Answers edited by Dr.Z

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How do you write and graph a function that translates $y = \sqrt{x}$ $y=sqrtx$ by shifting 7 units up?
How does looking at a spectrum tell us what a star is made of?
A wrench with a length of $10 c m$ $10 cm$ is used to unscrew a $\frac{5}{2} c m$ $5/2 cm$ bolt. If a torque of $18 N m$ $18 Nm$ is needed to overcome the friction keeping the bolt in place, what is the minimum torque that must be applied to the wrench to unscrew the bolt?
How do you calculate the resultant of the following vectors 4.0N and 10.0N with an angle of 90 degrees between them?
Question #4802e