a.
To find: The circumstances which are appropriate to use each given model.
a.
Answer to Problem 8PS
Explanation of Solution
Given: Two sets of parametric equations,
Calculation:
The first set of parametric equations,
This equation can be used for a projectile motion of an object along a straight line.
The second set of parametric equations,
This equation can be used for a projectile motion of an object thrown in the air from a height and returns back due to gravitational pull.
b.
To eliminate: The parameter for each set of equations.
b.
Answer to Problem 8PS
Parameter eliminated equation for the first set are
Parameter eliminated equation for the second set are
Explanation of Solution
Given: Two sets of parametric equations,
The first set of parametric equations,
The second set of parametric equations,
Thus the parameters of each set of equations are eliminated.
c.
To find: Which case the path of a moving object is not affected by a change in velocity.
c.
Answer to Problem 8PS
The path of the object is not affected by a change in velocity in first set of equations.
Explanation of Solution
Given: Two sets of parametric equations,
Calculation:
In the first set of equations,
The velocity is removed while eliminating the parameters.
Chapter 10 Solutions
EBK PRECALCULUS W/LIMITS
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