MathCalculusQ&A Libraryc) Using the slope from part (b), find an equation of a) Sketch the curve, two of the secant lines, and the S. If a ball is thrown into the air with a velocity of 40 ft/s, its tangent line to the curve at P(0.5, 0). tangent line. height in feet t seconds later is given by y - 40t 16 (a) Find the average velocity for the time period beginning when 2 and lasting 6) 0.5 seconds (ii) 0.1 seconds (ii) 0.05 seconds (iv) 0.01 seconds (b) Estimate the instantaneous velocity when t-2 6. If a rock is thrown upward on the planet Mars with a velocity of 10 m/s, its height in meters t seconds later is given by y -10r -1.8612 (a) Find the average velocity over the given time intervals:

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