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# If a rock is thrown upward on the planet Mars with a velocity of $10 m/s$, its height in meters $t$ seconds after is given by $y = 10t - 1.86t^2$.(a) Find the average velocity over the given time intervals: (i) $[1, 2]$ (ii) $[1, 1.5]$ (iii) $[1, 1.1]$ (iv) $[1, 1.01]$ (v) $[1, 1.001]$(b) Estimate the instantaneous velocity when $t = 1$.

## A.$4.42,5.35,6.094,6.2614,6.27814$B.6.28 $\mathrm{m} / \mathrm{s}$

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PV

Pere V.

September 30, 2020

PV

Pere V.

September 30, 2020

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