You deposit $500 in a special investment. It doubles to $1000 after 7 years. What was the approximate interest rate paid on the investment?
a. 2%
b. 3.5%
c. 7%
d. 10%
e. 15%
D
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A space station of diameter 80 m is turning about its axis at a constant rate. If the acceleration of the outer rim of the station is 2.5 m/s2, what is the period of revolution of the space station?
A. 22 s B. 19 s C. 25 s D. 28 s E. 40 s
Websites the multiple pages and objectives might use a combination of website structures.
Answer the following statement true (T) or false (F)
A steel plate has a hole drilled through it. The plate is put into a furnace and heated. What happens to the size of the inside diameter of a hole as its temperature increases?
a. increases b. decreases c. remains constant d. becomes elliptical
If the breakers at a beach are separated by 5.0 m and hit shore with a frequency of 0.20 Hz, with what speed are they traveling?