A box has sides of 10 cm, 8.2 cm, and 3.5 cm. What is its volume?
1 answer:
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Answer:
Explanation is given
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Answer:
Option B
Explanation:
Speed of a wave is denoted by:
v=fλ
where f is the frequency which is unchanged 15Hz and λ is the new wavelength which is 28m
v=fλ