# In Exercises 70 through 73, s(t) is the position of a particle moving along a straight line at time t.

## Question:

In Exercises 70 through 73, s(t) is the position of a particle moving along a straight line at time t.

(a) Find the velocity and acceleration of the particle.

(b) Find all times in the given interval when the particle is stationary.

s(t) = t^{4} − 4t^{3} + 8t for 0 ≤ t ≤ 4

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**Related Book For**

## Calculus For Business, Economics And The Social And Life Sciences

**ISBN:** 9780073532387

11th Brief Edition

**Authors:** Laurence Hoffmann, Gerald Bradley, David Sobecki, Michael Price

**Question Details**

Chapter #

**2**- Differentiation: Basic ConceptsSection: Exercises 2.2

Problem: 73

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