An image formed using a converging lens
a. is always real
b. is always virtual
c. can have negative magnification
d. can never be upright
C
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The ordering of rocks in sequence by their comparative ages is called
A) faunal succession. B) original horizontality. C) relative dating. D) uniformitarianism.
Momentum: A satellite with a mass of 200 kg and a speed of 0.800c and a second satellite with a mass of 100 kg and a speed of 0.600c are traveling toward each other in deep space. The satellites collide and somehow manage to stick together. What is the speed of the combined object after the collision?
A. 0.333c B. 0.374c C. 0.397c D. 0.418c E. 0.432c
A copper sphere has a radius of 2.50 m under normal room pressure of 1.0 × 105 N/m2. If we increase the pressure on this sphere to 10 times the normal room pressure, what is the change in its volume? The bulk modulus for copper is 1.4 × 1011 Pa
What will be an ideal response?
What is the main potential concern regarding the creation of artificial life?
A) that they would rapidly evolve and replace existing life on Earth B) that they would be used by hostile nations to build clone armies C) that they might be the source of new diseases or toxins for which terrestrial life would have little resistance D) that they would travel on our robotic space probes and contaminate other planets