Question:
Diffusion is the movement of particles from high to low concentration. True or False
Answer:
True.
Explanation:
Diffusion is a process that allows the movement of substance or particles in and out of cells through a semipermeable membrane.
Diffusion is a process that allows the spread or movement of particles from the region of higher concentration to a region of lower concentration through a semipermeable membrane.
Diffusion only occurs in gases and solution but not in solids, it also occurs only where particles can move freely.
Note: When particles move from the region of higher concentration to a lower concentration, it gives room for even, uniform and random distribution of particles.
Answer:
The answer to your question is: 13.2 m/s
Explanation:
final speed (fs) = 77 m/s
t = 6.5 s
gravity (g) = 9.81 m/s2
initial speed (is) = ?
Formula
fs = is + gt from this equation we clear "is" = fs - gt
Substitution is = 77 - (9,81)(6.5)
Process is = 77 - 63.8
is = 13.2 m/s
When temperature decreases the atoms(or molecules) within the substance begin to slow down.
Answer:
Explanation:
For horizontal equilibrium-
T
3
=T
1
sinθ
For vertical equilibrium-
T
2
=T
1
cosθ
Taking ratios-
T
2
T
3
=tanθ
And for equilibrium of body T
2
=5kgwt=5×10=50N
⟹tanθ=
6
5
or θ=tan
−1
6
5
Answer:
Current flows across a resistor.
Explanation:
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