Physics
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New answer posted
5 months agoContributor-Level 10
In Physics, we need to know that the phase angle tells us the position of a point within one cycle of a wave. That is measured in radians. It tells you how much a wave is ahead or, behind the other. On the other hand, the initial phase (or phase constant) is the phase angle at time t=0. It tells us where the wave begins with its oscillation cycle.
New answer posted
5 months agoContributor-Level 9
0.02i * RG = 0.98i * 5
[in parallel, pot. Diff is same]

or, RG = 49 * 5
RG = 245
New answer posted
5 months agoContributor-Level 9
Tsin k =?
As we know, the efficiency for a reversible engine is given by :
On comparing both, we get
New answer posted
5 months agoContributor-Level 10
The speed of a transverse wave depends on the intrinsic properties of the medium it propagates through. These could be elastic and inertial properties. For a transverse wave on a string, we need to know factors such as tension (a common force) in the string, and its linear mass density.
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