Why would you think twice about ordering from a cafe menu that lists the genus name but not the specific epithet of its offerings? Hint: Look up Homarus americanus, Ursus americanus, Ceanothus americanus, Bufo americanus, Lepus americanus, and Nicrophorus americanus
What will be an ideal response?
When understanding the complete scientific name, you can see that the genus defines what each of these organisms is: American black bear, New Jersey tea, garden toad, or a snowshoe hare. At a café, you are probably interested in the tea (Ceanothus americanus)!
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As the frequency of light increases, its energy ________.
A. moves more slowly B. decreases C. moves more quickly D. increases E. remains constant
Which of the following is the most common type of star?
A) high mass main sequence B) low mass main sequence C) white dwarfs D) red giants E) blue supergiants
An irregularly shaped object is attached to an axle so that it may be spun. If a torque of 250Nm must be applied for 1.25s in order to give it a rotation period of 0.10s, what is its moment of inertia?
A. 5.0
B. 31
C. 4.0
D. 25
A girl and her bicycle have a total mass of 40.0 kg. At the top of the hill her speed is 5.0 m/s, and her speed doubles as she rides down the hill. The hill is 12.0 m high and 100 m long. How much kinetic energy and potential energy is lost to friction?
a. 2420 J c. 2000 J b. 3200 J d. 3920 J