When uranium fissions into two medium-mass nuclei, the product nuclei tend to have an excess of neutrons when compared to stable nuclei. What type of radioactive decay would one expect from these product nuclei?
a. meson decay
b. negative beta decay
c. positive beta decay
d. proton decay
b
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A proton's rest mass is 1.67 × 10?27 kg. Calculate its total energy when it is accelerated to a speed of 0.80c.
A. 1.5 × 10?10 J B. 1.0 × 10?10 J C. 2.5 × 10?10 J D. 2.0 × 10?10 J E. 7.5 × 10?10 J
In our solar system, terrestrial planets are
A) small, made mostly of rock and iron with high densities, and found close to the Sun B) large, made mostly of gases and liquids with low densities, and found far from the Sun C) large, made of pure gases with low densities, and found far from the Sun D) small, made of pure rock with high densities, and found close to the Sun
Which of the following describes a velocity (as opposed to a speed)?
A) 20 kilometers per hour, headed north B) 300,000 kilometers per second C) 9.8 meters per second squared (m/s2) D) 15 newtons E) 5 light-years
______________ has the general formula (C6H10O5)n, where n may take on values up to 3000
Fill in the blank(s) with correct word