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TVASALLO31
10.09.2019 •
Physics
Atortoise and a hare are competing in a 1200-meter race. the arrogant hare decides to let the tortoise have a 580-meter head start. when the start gun is fired the hare begins running at a constant speed of 9 meters per second and the tortoise begins crawling at a constant speed of 5 meters per second. let t t represent the number of seconds that have elapsed since the start gun was fired. write an expression in terms of t t that represents the hare's distance from the starting line (in meters).
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Ответ:
Distance traveled by the hare = d = 9![t_{t}](/tpl/images/0226/8212/c62fe.png)
Explanation:
Tortoise travels an additional distance 580 m .
Since there is no acceleration, the distance traveled by any object is d = v t , where v is the total distance and t is the total time taken.
Speed of hare =
= 9 m/s
Speed of tortoise =
=5 m/s
Distance traveled by the hare = d = 9![t_{t}](/tpl/images/0226/8212/c62fe.png)
Distance traveled by tortoise = d +580 m = 5![t_{t}](/tpl/images/0226/8212/c62fe.png)
Ответ:
B. √16 · √4
Step-by-step explanation:
The square root of two things multiplied together is always the same as the square root of one thing times the square root of another thing.
A rule for this can be explained as...
√(A·B) = √A · √B