When an unstable Arsenic nucleus undergoes alpha decay, the nucleus formed is that of
a. Arsenic.
b. Bromine.
c. Germanium.
d. Gallium.
e. Selenium.
d
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Plants convert radiant energy from the Sun into chemical energy by a process called photosynthesis.
a. true b. false
If the acceleration vector of an object is directed anti-parallel to the velocity vector, then
A) the object is speeding up. B) the object is slowing down. C) the object is turning. D) the object is at rest. E) this situation would not be physically possible.
A far-sighted student has a near point of 1.0 m. Calculate the focal length (in cm) of the glasses needed so the near point will be normal (25 cm).
A. 72 B. 25 C. 33 D. 100 E. ?33
A football field is 120 yd long and 50 yd wide. What is the area of the football field, in m2?
A) 2400 m2 B) 4206 m2 C) 6000 m2 D) 5019 m2 E) 3688 m2