A student adds two displacement vectors that have the magnitudes of 12.0 m and 5.0 m. What is the range of possible answers for the magnitude of the resultant vector?
What will be an ideal response?
Between 7.0 m and 17.0 m
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Since an electron is so less massive than a proton, what is the approximate mass and charge of a neutral hydrogen atom?
a. the mass of an electron, negative b. the mass of a proton, neutral c. the mass of a neutron, positive d. the mass of a proton and neutron, positive
A nearsighted person has a near point of 12. cm and a far point of 17. cm. If the lens is 2.0 cm from the eye:
(a) what lens power will enable this person to see distant objects clearly? (b) what then will be the new near point?
Physicists use bubble chambers primarily for the purpose of
A) detecting sub-atomic particles. B) taking bubble-baths. C) detecting fission. D) detecting radioactivity. E) None of the above.
Some of the biggest stars like VY Canis Majoris is almost the size of.
A.) The Asteroid Belt. B.) Our Solar System. C.) The Orion Nebula. D.) The Orion arm of the Galaxy. E.) The Milky Way.