Discuss why would research into transport by ship would be less emphasized than research into other modes of transportation
What will be an ideal response?
There are several reasons, the foremost of which is that few people travel by ship.
A different reason is that ships are relatively efficient at moving freight already, so the
payoff in savings is not so great as for other, less efficient, modes of transportation.
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Energy Conservation With Conservative Forces: A roller coaster starts from rest at a height h at the left side of a loop-the-loop, as shown in the figure. It is not attached to the track in anyway, and there is no friction from the track or from air resistance. If the radius of the loop is R = 6.0 m, what is the minimum height h for which the roller coaster will not fall off the track at the top of the loop?
A. 21 m B. 18 m C. 15 m D. 12 m E. 8.5 m
Which of the following individuals did not directly contribute to quantum theory?
A. Schrödinger B. Einstein C. Heisenberg D. Planck E. Roentgen
The sun is
a. a star which generates its own energy b. 1 AU from Earth. c. visible by its own light emission. d. all of the above
An electrically charged atom is an
A) ion. B) isotope. C) both of these D) neither of these