Answer:
B- is likely going to be your answer.
Answer:
True
Explanation:
There are 3 different classifications:
-unacceptable
-provisional
-acceptable
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.
Friction is the resistance to motion of one object moving relative to another. It is not a fundamental force, like gravity or electromagnetism. Instead, scientists believe it is the result of the electromagnetic attraction between charged particles in two touching surfaces.
Answer:
Explanation:
A mixture of pentadecane and heptadecane can be separated by amides.
