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A girl standing at a distance claps her hands and hears an echo from a tall building 2 seconds later. If the speed of sound in air is 340m/s, determine how far the building is.
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asked
Jul 7, 2021
in
Physics Form 3
by
anonymous
A girl standing at a distance claps her hands and hears an echo from a tall building 2 seconds later. If the speed of sound in air is 340m/s, determine how far the building is.
linear motion
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answered
Jul 7, 2021
by
anonymous
V=
2s
/
t
S=
Vt
/
2
=340 x
2
/
2
340m
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