What is the proper banking angle for an Olympic bobsled to negotiate a 100-m radius turn at 35 m/s without skidding?

A) 31°
B) 41°
C) 51°
D) 61°


C

Physics & Space Science

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All the following statements are true. Which one follows directly from Kepler's third law?

A) Venus takes longer to rotate than it does to orbit the Sun. B) Venus has a thicker atmosphere than Mercury. C) Venus orbits the Sun at a slower average speed than Mercury. D) Venus is more massive than Mercury.

Physics & Space Science

A piston compresses a gas, while at the same time heat is lost to the surroundings. The temperature of the gas rises. The amount of temperature rise is governed by

a. the first law of thermodynamics b. the second law of thermodynamics c. specific heat capacity d. a heat pump e. none of the above

Physics & Space Science

What is the largest satellite (moon) in the Solar System?

A. Saturn's moon, Titan B. Neptune's moon, Triton C. Jupiter's moon, Ganymede D. Earth's moon

Physics & Space Science

Consider two less-than-desirable options. In the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. In the second option you are driving 30 mph and crash head-on into a stationary brick wall

In neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. Which of these two situations would result in the greatest impact force? A) hitting the other car B) hitting the brick wall C) The force would be the same in both cases. D) We cannot answer this question without more information. E) None of these is true.

Physics & Space Science