Scientific models should be falsifiable, that is, they should be able to be provenfalse
What will be an ideal response?
Absolutely. See the answer to #9 . Unless we can show that the model fails
somehow, any experimental test is meaningless scientifically.
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A 0.600-mm diameter wire stretches 0.500% of its length when it is stretched with a tension of 20.0 N. What is the Young's modulus of this wire?
A) 5.66 × 1010 N/m2 B) 3.54 × 109 N/m2 C) 1.41 × 1010 N/m2 D) 6.43 × 109 N/m2 E) 2.78 × 109 N/m2
On a dark summer night in the northern hemisphere, we can see the Milky Way, but we can't see the center of the Milky Way. Why not?
A) Interstellar dust and gas absorb and scatter visible light. B) We are in the center of the Milky Way. C) There are no stars in the center of the Milky Way, just a supermassive black hole. D) The center of the Milky Way does not emit enough visible light.
Which statement describes a unique characteristic of Saturn? a. The density is so low it could float on water
b. The core temperature is hotter than the interior of the Sun. c. The rings are made up of ice from broken up comets d. The largest planet within the Solar System. e. The atmosphere is mostly made up of helium and methane.
Energy Levels: An ionized atom having Z protons has had all but one of its electrons removed. If E is the total energy of the ground state electron in atomic hydrogen, then what is the total energy of the remaining electron in the ionized atom?
A. Z2E B. ZE C. E D. E/Z E. E/Z2