Tycho's universe was the same as the Copernican universe except that
a. Earth did not move.
b. the Sun did not move.
c. the Moon orbited the Sun.
d. the orbits were elliptical with the Sun at one focus.
e. the orbits followed uniform circular motion.
a
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The interstate on-ramp is 1.5 km West of your home, and on leaving for grandmother’s house you are only able to accomplish an average velocity of 12 km/hr between your home and the on-ramp. At the onramp, you wait for traffic, for 2.0 min – and then are able to proceed toward grandmother’s house. If you wish to arrive there, which is 15 km South of the onramp, over a river and through some woods, in a total elapsed time of 25.0 minutes, what average speed must you maintain on the interstate highway?
A. 51 km/hr B. 67 km/hr C. 36 km/hr D. none of these.
What type of software is shown in the figure above?
A. photo sharing B. image-editing C. illustration D. digital photography
The number of protons in the nucleus of an electrically neutral atom is equal to
A) the number of neutrons in the nucleus. B) the number of neutrons surrounding the nucleus. C) the number of electrons surrounding the nucleus. D) the number of electrons in the nucleus. E) None of the other choices is correct.
Experts are absolutely sure that there is danger to the health of people living underneath power transmission lines
What will be an ideal response?