The banking angle in a turn on the Olympic bobsled track is not constant, but increases upward from the horizontal. Coming around a turn, the bobsled team will intentionally "climb the wall," then go lower coming out of the turn
Why do they do this? A) to reduce the g-force on them
B) to increase the g-force on them
C) to prevent the bobsled from turning over
D) to take the turn at a faster speed
E) to give the team better control, because they are able to see ahead of the turn
D
You might also like to view...
What observations indicate the presence of dust in the interstellar medium?
What will be an ideal response?
Which statement is a common misconception with regard to Earth's atmosphere? a. The carbon dioxide added to the atmosphere since the year 1800 is mostly or entirely due to human burning of fossil fuels. b. All of Earth will warm at the same rate if there is global warming
c. The ozone layer in the upper atmosphere protects the lower atmosphere and Earth's surface from harmful solar UV radiation. d. Global warming and ozone depletion are two very different activities in Earth's atmosphere. e. Earth has experienced a greenhouse effect its entire planetary history.
Which process is required to allow a gravitationally-collapsing gas cloud to continue to collapse?
A) The cloud must radiate away much of its thermal energy. B) The cloud must trap most of its thermal energy. C) The cloud must collide with other clouds. D) New dust particles must continually be made in the cloud.
Orion is visible on winter evenings in the northern hemisphere but not summer evenings because of
A) interference from the full Moon. B) the tilt of Earth's axis. C) the location of Earth in its orbit. D) the precession of Earth's axis. E) baseball on television.