Answer:
Answer: We should be aware of human rights violation happening in our community. In our community, there are so many people who cannot practice their own religion and rituals. ... In many nations around the globe, domestic violence is another disadvantage in our society and another example of "human rights violations".
Explanation:
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Answer:
The mechanism of energy transport through a medium involves the absorption and reemission of the wave energy by the atoms of the material. When an electromagnetic wave impinges upon the atoms of a material, the energy of that wave is absorbed.
Explanation:
Power = work / time
Power = force × distance / time
P = (12 kg × 10 m/s²) (8 m) / (10 s)
P = 96 Watts
Answer: Electrons move from the potassium atoms to the sulfur atoms.
Explanation: 2 K + S ⇒ 2 K^+ + S^2- . Usually metals donor electrons to non-metals
Answer:
Explanation:
a) the free body diagram of the lower pulley would have two force vectors of equal magnitude acting upward and the block weight acting downward. These must balance so 2F = Wt
F = 262/2 = 131 N
b) as the force needed is half of the block weight, the mechanical advantage is 262 / 131 = 2
c) with a mechanical advantage of 2, he would have to pull twice the distance of block motion or 2(3.00) = 6.00 m
d) W = Fd = 131 N(6.00 m) = 786 J
which is the same as the increase in potential energy of the block
e) W = mgh = 262(3.00) = 786 J