3 years ago

A Polynomial Identity is True when you work the problem out and both sides are equal to each other

1 answer:

4 0

answer

it is true

step by step explanation

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kifflom [539]

Answer:

1.6 meters per second.

Step-by-step explanation:

We have been given an position function $P(t)=0.8t^{2}$ and we are asked to find the speed of the rock after 1 second.

Derivative of this function will give us speed function.

$S(t)=2\cdot 0.8\cdot t$

$S(t)=1.6\cdot t$

Now let us find derivative when t=1,

$S(1)=1.6\cdot 1=1.6$

Therefore, the speed of the rock after 1 second will be 1.6 meters per second.

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