Concept explainers
To find:the representation of the rate of an expression and the rate is in km per hour.
Answer to Problem 12OE
The equation is stating the rate of the swimmer against the current is
Explanation of Solution
Given:
Concept used:
If the thing is going against the gravity is taken as
If the direction of any against the gravity means it make
Calculation:
If
Since the direction of the current and swimmer is in theopposite direction.
There resultant will be the difference of it.
Formula for the resultant will be:
Since the direction of flow is same the angle between them will be
So,
Hence, the equation is stating the rate of the swimmer against the current is
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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