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A string of length 5m is stretched to a tension of 80N. If the string’s mass is 1kg, at what speed would a 10Hz transverse wave travel down it?

The Fact

Stephen Hawking is famous for proposing the existence of black holes and discovered a radiation, also known as “Hawking radiation,” which leads black holes to glow and emit light across the whole spectrum.

It's good to have a money and to buy all you want. But sometimes you have to see is there something you lose you can't buy for money.