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Physics book slides off a horizontal table top with a speed of 1.10 m/s. It strikes the floor in 0.4 seconds. Height of table above floor? What is the L.C.M Of 30 and 40? To find the derivative of f(x)=(1/15)(4x^(3)-69x^(2)+252x) do I use the product rule? If not how do i differentiate? NEED HELP ON THESE THREE PHYSICS PROBLEMS. PLEASE THIS IS LITERALLY MY GRADE. IF SOMEONE IS SMART ENOUGH TO DO THESE, I OWE YOU. THANKS? Astronomy friend.. Mizar, 2nd star in the Big Dipper.. a binary star system, revolving around another binary system.
Is my research correct?