If a rock is thrown vertically upward from the surface ofMars with velocity 15m/s , its height after t seconds is h =15t - 1.86t2.(a) What is the velocity of the rock after 2 s?(b) What is the velocity of the rock when its height is 25 mon its way up? On its way down?
If a rock is thrown vertically upward from the surface ofMars with velocity 15m/s , its height after t seconds is h =15t - 1.86t2.(a) What is the velocity of the rock after 2 s?(b) What is the velocity of the rock when its height is 25 mon its way up? On its way down?
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 7ECP: The kinetic energy E of an object varies jointly with the object’s mass m and the square of the...
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If a rock is thrown vertically upward from the surface of
Mars with velocity 15m/s , its height after t seconds is
h =15t - 1.86t2
.
(a) What is the velocity of the rock after 2 s?
(b) What is the velocity of the rock when its height is 25 m
on its way up? On its way down?
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