The wrong statement is that sound waves created vibration Option A.
<h3>What are sound waves?</h3>
Sound is a type of waves that moves in compressions and rare factions. This implies that sound is a mechanical wave. Recall that a mechanical wave is one that requires a material medium for propagation. Now we know that if we set the medium into vibration, that is when the sound waves begins to vibrate. That brings us to the idea that it is the vibration that causes the sound waves and not the sound waves that creates the vibration.
Thus, knowing that sound is a mechanical wave which moves through solids liquids and gas and that the vibration of the source of sound is what causes the air to vibrate, we conclude that the wrong statement is that sound waves created vibration Option A.
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Answer:
you need to give the answers choices
Explanation:
D.DDT was used in WWII to control malaria and typhus.<span>
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Answer: Federal communications commission ( FCC) .
Explanation: Federal communications commission( FCC) is a United States of American agency that was set up on June 19,1984. This agency was formed with the main aim of using radio, television, satellite and cable to promote safety of life and property through out the country. They also regulates the telecommunications industry in the United States including licensing and operation of all radio and television stations.
Answer: 27 joules
Explanation:
Work is done when force is applied on the bench over a distance. it is measured in joules.
Workdone = force x distance
= 45 N x 0.6 metres
= 27 joules
Thus, 27 joules of work is done on the bench.
