Answer: It helps scientists access info more easily about the elements, in a more efficient and faster way. The periodic table is helpful in seeing atomic and chemical trends by seeing where they are placed on the table.
Explanation:
Answer:
2558 N.
Explanation:Each rope takes half, so the vertical component of the force on each rope is half of this, or 1960 N.. But they are pulling at a 40 degree angle, so if t is the tension then t*cos(40) = 1960. This gives t = 2558 N.
Explanation:
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