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Q. 34.3( 4 Votes )
Which anomalies in the material is responsible for the initiation of the flow?
Class 8thMHB - Geography (New)5. Ocean Currents
Answer
Materials can flow in any number of ways. The flow and motion of materials, especially liquids is dealt in classical physics through quantum mechanics or relativity. The study of liquids comes under fluid dynamics which is again divided into hydrodynamics (flow of water) and aerodynamics (flow of air).
Fluids consist of both liquids and gaseous components as they constantly change shape when a force is exerted on them. Gases are compressible as they can either spread out or compress to fill in the volume of space available. But liquids are non-compressible as they do not compress or spread out and fill the volume of space completely. Most of the materials flow because its particles and molecules do not form a rigid and definite arrangement at normal temperature and pressure.
This is the basic property of materials that allow it to flow as against the solids where the particles and molecules are strongly and rigidly bounded together.
1)a) = (p)² – (11)² = p²– 121 .
b) = (2y)² – (5)² = 4y² – 25 .
c) = (12a)² – (9)² = 144a² – 81 .
d) = (2a)² – (1/2)² = 4a² – 1/4 .
e) = (1.1m)² – (0.4)² = 1.21m² – 0.16 .
f) = (a²)² – (b²)² = a⁴ – b⁴ .
g) = (6x)² – (7)² = 36x² – 49 .
h) = ( a/2 – c/2 )² = (a/2)² – 2 × ( a/2 ) × ( c/2 ) + (c/2)²= a²/4 – 2ac/4 + c²/4 .
i) = (p/8 + 3q/4)² = (p/8)² + 2 × (p/8) × (3q/4) + (3q/4)² =
p²/64 + 6pq/32 + 9q²/16 .
j) = (3a)² – (9b)² = 9a² – 81b² .
k) = (2a – 18)² = (2a)² – 2 × 2a × 18 + (18)² = 4a² – 72a + 324 .
L) = Plz follow no. k to get u r ans easily .
m) = Plz follow no. I to get u r ans easily .
2)a) = ( 100 – 9 )² = (100)² – 2(100)(9) + (9)² = 10000 – 1800 + 81 = 8281 .
sorry if u have any doubt comment on my answer .