Answer:
speed of molecule ∝ 1/mass of molecule.
Explanation:
The velocities of the molecules depend on their masses. That's because if the molecules are large in size, their velocity is slower. Therefore their velocity is quicker when their size is small, since the molecules can move faster.
Therefore , it can be written as
speed of molecule ∝ 1/mass of molecule.
I believe the answer is C
Answer:
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Answer:
615 N
Explanation:
If θ is the angle from vertical and T is the rope tension
θ = arcsin (2.0 / 3.5) = 34.85°
Summing vertical forces to zero
Tcosθ - mg = 0
T = 90.0(9.81) / cos34.85 = 1,075.85 N
Summing horizontal forces to zero
F - Tsinθ = 0
F = 1075.85sin34.85 = 1075.85(2.0/3.5) = 614.772... ≈ 615 N