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1 answer:
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Answer:
The answer to your question is 9
Step-by-step explanation:
Data
Paramecium's length = 4.2 x 10⁻⁴ m
Ant's length = 3.8 x 10⁻³ m
Process
If we need to know how much longer is the ant than the paramecium, we just need to divide the ant's length by the paramecium's length.
Times that the length of the ant is longer than the paramecium length =
Simplification and result
9
Answer:
12. 1 second, 35 ft; 2 seconds, 32 ft
13. (t, y) = (1.4 seconds, 37.6 feet)
14. 37.6 ft; the vertex is the highest point
Step-by-step explanation:
12. You have properly answered question 12.
After 1 second, the height is 35 feet; after 2 seconds, it is 32 feet.
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13. My method of choice is to plot the graph on a graphing calculator and let it show me the coordinates of the vertex when I highlight that point. (See attached.) The vertex is ...
(t, y) = (1.4, 37.6)
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14. The graph is a graph of height when the object is launched with a vertical velocity of 45 ft/s. So, the maximum of the graph will correspond to the maximum height of the object. The vertex is that maximum point, and its y-coordinate is that maximum height.
The maximum height is 37.6 feet.
