When riding at constant velocity on a Segway electric vehicle, your center of mass is
A) slightly in front of the point between wheels below.
B) slightly behind the point between wheels below.
C) directly above the point between wheels below.
Answer: C
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A) Internal human body temperature is often stated to be normal at 98.6°F. What is this temperature on the Celsius and Kelvin scales?
(b) Gallium boils at 2205°C. What is the corresponding temperature in the Fahrenheit and Kelvin scales? (c) The boiling point of liquid nitrogen is 77.0 K. What is the corresponding temperature in the Fahrenheit and Celsius scales? What will be an ideal response?
A metal or ceramic composed of many small crystals is a(n) ______________.
Fill in the blank(s) with the appropriate word(s).
In principle, the Drake equation should enable us to calculate the exact number of intelligent civilizations capable of interstellar communication in our galaxy right now. However, currently this is not feasible because
A) we do not have exact numbers for any of the factors in the equation B) it is impossible for us to ever know the values of any of the factors C) we have exact numbers for the first three factors, but not the last factor D) we have an exact number for the first factor, but not for any of the other factors
Compare and contrast latitude and declination. How does each relate to your position on Earth?
What will be an ideal response?