Each box in this figure represents a different level of structure in our universe. Each box is labeled with one of the numbers 1—5. Which box represents the Milky Way Galaxy?
A) 1
B) 2
C) 3
D) 4
E) 5
C) 3
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Carnot Engine: An ideal Carnot heat engine has an efficiency of 0.600. If it operates between a deep lake with a constant temperature of 294.0 K and a hot reservoir, what is the temperature of the hot reservoir?
A. 735 K B. 490 K C. 470 K D. 784 K
A star cluster of age 100 million years contains no type O stars
Indicate whether the statement is true or false
A series of 3 uncharged concentric spherical conducting shells surround a small central charge q. The potential at a point outside the third shell, at distance r from the center, and relative to V = 0 at ?, is
A.
.B.
.C.
.D.
.E.
.Waves propagate at 7.40 m/s along a stretched string. The end of the string is vibrated up and down once every 2.25 s. What is the wavelength of the waves that travel along the string?
a. 4.50 m b. 16.7 m c. 3.29 m d. 37.5 m e. 8.09 m