In principle, a first-grader could measurably move the Earth if
A. she had a long enough lever.
B. she ran her fastest opposite the spin of the Earth.
C. she was at the North Pole and had a bicycle wheel spinning opposite the spin of Earth.
D. she pushed her hardest on the Earth.
Answer: A
You might also like to view...
If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = 80 nC, and q = 24 nC in the figure, what is the magnitude of the electric force on q?
A. 2.7 N B. 1.9 N C. 2.3 N D. 1.5 N E. 0.52 N
Which of the following is a "renewable" resource?
A) hydroelectric B) uranium C) Both of the above. D) natural gas E) None of these are renewable resources.
Which of the following is not one of the three main categories of observation generally used by astronomers?
A) filtering to look at just a single color from an object B) timing to track how an object's brightness varies with time C) spectroscopy to spread an object's light into a spectrum D) imaging to get a picture of an astronomical objects
The speed of light changes when it goes from ethyl alcohol (n = 1.36) to carbon tetrachloride (n = 1.46). The ratio of the speed in carbon tetrachloride to the speed in ethyl alcohol, v2/v1, is
A. 1.99. B. 1.07. C. 0.932. D. 0.511. E. 0.760.