An ampere is a unit of electric
A) pressure.
B) current.
C) resistance.
D) all of the above
E) none of the above
Answer: B
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The centroid of the assemblage of lines shown in the figure below is at coordinates (x, y, z):
(A) L/2, L/3, L/2
(B) L/2, L/6, L/6
(C) L/2, L/6, L/4
(D) L/2, L/3, L/6
According to heat maps, a website's visitors typically follow a(n) ______ pattern.
A. F B. T C. L D. E
What process is illustrated in this diagram?
A) the annihilation of a particle and its antiparticle to make two photons B) the creation of two photons from pure energy C) the formation of an atom with a positive nucleus and a negative electron D) the evaporation of a black hole
To kick a football so it won't topple end over end, kick it so the force of impact extends
A) above its center of gravity. B) through its center of gravity. C) below its center of gravity.