What is the average speed of an object that is still at $t = 0$ $t=0$ and accelerates at a rate of $a (t) = 2 t^{2} - 3 t - 3$ $a(t) =2t^2-3t-3$ from $t \in [2, 4]$ $t in [2, 4]$ ?

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What is the average speed of an object that is still at $t = 0$ $t=0$ and accelerates at a rate of $a (t) = 2 t^{2} - 3 t - 3$ $a(t) =2t^2-3t-3$ from $t \in [2, 4]$ $t in [2, 4]$ ?

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Answer 1 · 2016-02-20T15:03:09

$v = \int_{2}^{4} (2 t^{2} - 3 t - 3) d t$ $v=int_2^4 (2t^2-3t-3)d t$

Explanation:

$use the fallowing equation :$ $"use the fallowing equation :"$
$v = \int_{2}^{4} a (t) d t$ $v=int _2^4 a(t) d t$
$v = \int_{2}^{4} (2 t^{2} - 3 t - 3) d t$ $v=int_2^4 (2t^2-3t-3)d t$

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What is the average speed of an object that is still at $t = 0$ $t=0$ and accelerates at a rate of $a (t) = 2 t^{2} - 3 t - 3$ $a(t) =2t^2-3t-3$ from $t \in [2, 4]$ $t in [2, 4]$ ?

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What is the average speed of an object that is still at t=0t=0 and accelerates at a rate of a(t)=2t2−3t−3a(t) =2t^2-3t-3 from t∈[2,4]t in [2, 4]?

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Explanation:

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What is the average speed of an object that is still at $t = 0$ $t=0$ and accelerates at a rate of $a (t) = 2 t^{2} - 3 t - 3$ $a(t) =2t^2-3t-3$ from $t \in [2, 4]$ $t in [2, 4]$ ?