A man stands in front f a high wall and produces a sound. If he receives the echo of the sound four seconds later, what is his distance from the wall? [The speed of sound in air is 330ms-1]
-
A.
1320m -
B.
660m -
C.
400m -
D.
330m -
E.
165m
You May Also Like
these questions are based on Buchi Emecheta’s The Joy of Motherhood. the medicine man links…
these questions are based on Buchi Emecheta’s The Joy of Motherhood. the medicine man links the lump discovered…
The notion of equality before the law is the same as the principle of
The notion of equality before the law is the same as the principle of A. supremacy of the…
An increases in the provision for doubtful debts results is aan
An increases in the provision for doubtful debts results is aan A. increase in the gross profit B.…
Which of the following activities is not necessary in population sampling?
Which of the following activities is not necessary in population sampling? A. Selecting the habitat B. Dividing the…
Who among the following assess goods on arrival at a port?
Who among the following assess goods on arrival at a port? A. Agent B. Customs C. Importer D.…