The upward velocity of a rocket, measured at 3 different times, is shown in the following table Time, t Velocity, v (seconds) (metres/second) 106.8 5. 8. 177.2 12 279.2 The velocity over the time interval 5

The upward velocity of a rocket, measured at 3 different times, is shown in the following table Time, t Velocity, v (seconds) (metres/second) 106.8 5. 8. 177.2 12 279.2 The velocity over the time interval 5

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter2: Representing Motion

Section2.4: How Fast?

Problem 29PP

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The upward velocity of a rocket, measured at 3 different times, is shown in the following table
Time, t
Velocity, v
(seconds) (metres/second)
106.8
8
177.2
12
279.2
The velocity over the time interval 5 <t< 12 is approximated by a quadratic expression as
v(t) = at + azt+ as
Find the values of a,, a2
and
a3.

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