Mass on a Spring: A mass on a spring undergoes SHM. When the mass passes through the equilibrium position, which of the following statements about it are true? (There could be more than one correct choice.)
A. Its acceleration is zero.
B. Its speed is zero.
C. Its elastic potential energy is zero.
D. Its kinetic energy is a maximum.
E. Its total mechanical energy is zero.
Answer: D
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A. 41 mT B. 33 mT C. 55 mT D. 87 mT E. 57 mT
Of all the stars in the sky, Barnard's star, the next closest beyond Alpha Centauri, appears to move the fastest
Indicate whether the statement is true or false
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A. an atomic nucleus absorbs neutrons. B. there is significant interference between atomic radiation and radio reception. C. an atom spontaneously captures an electron from a neighboring atom. D. there are nuclei present which will spontaneously emit nuclear radiation.
When green light shines on a cyan shirt, the color ________ is seen.
Fill in the blank(s) with the appropriate word(s).