If an object of mass 6 kg has an acceleration of 9 m/s2, what is the unbalanced force acting on it?
a. 54 N
b. 0.67 N
c. 1.5 N
d. 15 N
e. cannot be determined
a
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Energy utilization in living organisms is
A) one of the most basic requirements of life, without which organisms could not maintain order, grow, and reproduce B) only important for organisms like plants which receive their energy directly from the Sun C) neither a necessary nor a sufficient condition for life D) not important for organisms that have adapted to survive extremely low temperatures (psychrophiles)
The two elements a one-solar-mass star uses over the course of its entire evolution are _______________ and _____________
Fill in the blank(s) with correct word
A current-carrying coil of wire is
A) a superconductor. B) a superconducting magnet. C) an electromagnet. D) a magplane in the making.
As a projectile moves in its parabolic path, the velocity and acceleration vectors are perpendicular to each other
1.everywhere along the projectile’s path. 2.at the peak of its path. 3.nowhere along its path. 4.not enough information is given.