Answer:
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Explanation:
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Explain why the speed of light is lower than
3.0 × 108 m/s as it goes through different media.
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the molecules are forced to vibrate. that vib causes re emission. speed of emiited waves less than in vac.
A U-boat was a german submarine
The impact speed will be
v^2 = 2*9.8*1.3
v^2 = 25.48
v= 5.04 m/s