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Ask QuestionPosted by Himanshu Sharma 4 years, 5 months ago
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Posted by Shivraj Bhartiya 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
We know that,
360° = 2π radians
Hence, 1° = 2 π/ 360 → (1)
10° = [2 π/ 360° ] x 10 = π/ 18 radians
60 minutes = 1°
Substituting (1),
60 minutes = 2 π/ 360
One minute = 2 π/ (360 x 60)
One minute = π/ 10800 radians → (2)
Posted by Chaithra. H Chaithra. H 4 years, 5 months ago
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⠀ 4 years, 5 months ago
Posted by Himanshu Sharma 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
we know, 1 Joule = 1 Kg m²/s²
1 erg = 1 g cm²/s²
so, 1 Joule = 1Kg m²/s²
= {1000 g} {100cm}²/s². [ 1kg = 1000g and 1m = 100cm]
= 1000 × 10000 g cm²/s²
= 10000000 erg
hence, 1 Joule = 107 erg
so, 10 Joule = 10 × 107 erg = 108 erg
Posted by Pranshi Dwivedi 4 years, 5 months ago
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Yash Rawat 4 years, 5 months ago
Posted by Pk ⚔️ 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
Considering two waves, travelling simultaneously along the same stretched string in opposite directions as shown in the figure above. We can see images of <a href="https://byjus.com/physics/wave-theory-of-light/">waveforms</a> in the string at each instant of time. It is observed that the net displacement of any element of the string at a given time is the algebraic sum of the displacements due to each wave.
Let us say two waves are travelling alone and the displacements of any element of these two waves can be represented by y1(x, t) and y2(x, t). When these two waves overlap, the resultant displacement can be given as y(x,t).
Mathematically, y (x, t) = y1(x, t) + y2(x, t)
As per the principle of superposition, we can add the overlapped waves algebraically to produce a resultant wave. Let us say the wave functions of the moving waves are
y1 = f1(x–vt),
y2 = f2(x–vt)
yn = fn (x–vt)
then the wave function describing the disturbance in the medium can be described as
y = f1(x – vt)+ f2(x – vt)+ …+ fn(x – vt)
or, y=∑ i=1 to n = fi (x−vt)
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? S. S. ? 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
Academic cheating is defined as representing someone else's work as your own. It can take many forms: from sharing another's work to purchasing a term paper or test questions in advance, to paying another to take a test or do the work for you.
Posted by Sewak Ram Sahu 4 years, 5 months ago
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Posted by Harish Tode 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
1 kg = 103 g
1 m2 = 104 cm2
1 kg m2 s–2 = 1 kg × 1 m2 × 1 s–2
=103 g × 104 cm2 × 1 s–2 = 107 g cm2 s–2
1 kg m2s–2 = 107 g cm2 s–2
Posted by Shoaib Abid 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
As the road does not move at all, therefore, work done by the cycle on the road must be zero.
Posted by Shoaib Abid 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
Joule is the unit for energy
Dimension Formula for Joule is [M¹L²T⁻²]
Let n1(joule)=n2(erg)
n1(M₁¹L₁²T₁⁻²]=n2[M₂¹L₂²T₂⁻²]
n2=n1(M₁¹L₁²T₁⁻²] /M₂¹L₂²T₂⁻²]
=n1x(M1/M2)¹x(L1/L2)²x(T1/T2)⁻²
=1x(1kg/gm)¹x(1m/1cm)²x(1s/1s)⁻²
=1x(1000g/gm)x(100cm/1cm)²x(1s/1s)⁻²
=10⁷
Therefore n1(joule)=n2(erg)
∴1 Joule=10⁷erg
Posted by Shoaib Abid 4 years, 5 months ago
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Yogita Ingle 4 years, 5 months ago
Principle of Homogeneity states that dimensions of each of the terms of a dimensional equation on both sides should be the same. This principle is helpful because it helps us convert the units from one form to another
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Aman Dahiya 4 years, 5 months ago
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