The probability of Earth being hit by a 10 km asteroid in the next few hundred million years is
A) almost certain
B) impossible to predict
C) zero
D) small but not zero
A
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Butadiene rubber has a very low tensile strength; therefore, it is primarily used as a(n) _________.
Fill in the blank(s) with the appropriate word(s).
The moment of inertia of a solid cylinder about its axis is given by 0.5MR2. If this cylinder rolls without slipping, the ratio of its rotational kinetic energy to its translational kinetic energy is
A) 1:2 B) 1:3 C) 2:1 D) 1:1 E) 3:1
Which of the following electromagnetic waves are completely blocked by Earth's atmosphere?
A. X-rays B. infrared C. radio waves D. visible light
A 5.00-kg object is lifted from the floor to a shelf. The object's new gravitational potential energy relative to the floor is 102 J. What is the height of the shelf?