Given that the modulus of elasticity of the flesh of the Atlantic mackerel Scomber scombrus is about 2.58e9 Pa, and that the fish may be assumed homogeneous and neutrally buoyant, find the fraction of the wave intensity that is reflected when a fish-finder sonar pulse is normally incident upon the unsuspecting creature.

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Q: Among the following the largest mass is O a. 75000 mg O b. 0.075 kg O . 7500 g O d. 750 ug

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Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.