What is the wavelength of a neutron having a kinetic energy of 0.025 eV? (The mass of a neutron is 1.67 × 10-27 kg.)
A)
3.7 × 10-22 m
B)
2200 m
C)
1100 m
D)
1.8 × 10-10 m
E)
3.2 × 10-20 m
D
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If a force on an object is aimed perpendicular to the direction of the object's velocity, the force does
a. no work. b. positive work. c. negative work. d. any of the above.
Fusing two iron nuclei would occur with
A) absorption of energy. B) release of energy. C) neither of these
Based on current evidence, which of the following statements about gamma ray bursts is true?
A) They occur in the same types of close binary systems that produce X-ray bursts. B) All those that we have detected occurred in distant galaxies. C) They come primarily from the Milky Way's central black hole. D) All gamma ray bursts are produced by supernovae.
When an acid reacts with a base, the products are ______________ and a salt
Fill in the blank(s) with correct word