Chapter 03 Homework | Acceleration | Velocity

 

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Chapter 3 Homework

Due: 10:00pm on Friday, February 14, 2014

Y ou will receiv e no credit for items y ou complete aft er the assignment is due. Grading Policy

Exercise 3.7

The coordinates of a bird flying in the

 xy 

-planearegivenby and ,where and .

Part A

Calculate the velocity vector of the bird as a function of

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time.

Give your ans wer as a pair of component ss eparated by a comma. For example, if you th ink the

 x 

component is 3t and the

 component is 4t, then you should enter

3t,4

t. Expressyour ans wer using twos ignificant figures for all coefficients .

 ANSWER:

Correct

Part B

Calculate the acceleration vector of the bird as a function of time.

Give your ans wer as a pair of component ss eparated by a comma. For example, if you th ink the

 x 

component is 3t and the

 component is 4t, then you should enter

3t,4t

. Expres s y our ans wer using two s ignificant figures for all coefficients .

 ANSWER:

Correct

Part C

Calculatethemagnitudeofthebird'sv elocityat .

Expressyour ans wer using two s ignificant figures.

 ANSWER:

Correct


Category: Homework

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