Concept explainers
(a).
To find: The after how many seconds are the balls at the same height.
(a).
Answer to Problem 67SGR
The two balls will be at the same height after
Explanation of Solution
Given information:
Height of one ball
Height of one ball
Calculation:
Consider two balls that are launched into the air simultaneously from different altitudes. Their height y (feet) after t seconds is given by following equations.
And
Compute the time after which the balls will be at the same height, solve above two equations Substitute
Therefore, the two balls will be at the same height after
(b).
To find: The height.
(b).
Answer to Problem 67SGR
The equal height of two balls is equal to
Explanation of Solution
Given information:
Height of one ball
Height of one ball
Calculation:
Compute the height of two balls when they are at equal altitudes substitute =1,5in equation (1)
Therefore, the equal height of two balls is equal to
Chapter 10 Solutions
Algebra 2
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