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E = P*t = 36 * 3600 = 1.3 * 10⁵ J

This question is about standing waves, the bar of chocolate melts only in the positions where antinodes are formed on the standing wave as they transfer the most energy as they have the greatest amplitude...

Here, we must consider Newton's Law of Universal Gravitation. This states that the gravitational force acting between two bodies is proportional to the masses of each body and inversely proportional to th...

The extent to which incident ultrasound waves are reflected at a surface boundary is proportional to the difference in acoustic impedence between the two...

pV = nRT where: p = pressure; V = volume; T = temperature; n = moles; R = molar gas constant. pV/T = constant from ...