Login
Remember
Register
EasyElimu Questions and Answers
Questions
Unanswered
Tags
Users
Ask a Question
Ask a Question
A man standing 400 away from a wall bangs two pieces of wood together and hears an echo 2.5 seconds later. Determine the speed of sound in air at that place.
0
votes
602
views
asked
Jul 29, 2021
in
Physics Form 1
by
anonymous
A man standing 400 away from a wall bangs two pieces of wood together and hears an echo 2.5 seconds later. Determine the speed of sound in air at that place.
sound
Please
log in
or
register
to answer this question.
1
Answer
0
votes
answered
Jul 29, 2021
by
anonymous
Speed = 2d/t
=
2 x 400
2.5
= 320m/s.
Please
log in
or
register
to add a comment.
Related questions
0
votes
1
answer
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.
asked
Jul 7, 2021
in
Physics Form 3
by
anonymous
linear motion
0
votes
1
answer
A man standing at the middle of two parallel walls fires a gun. He hears an echo after 1.5 seconds. Determine the distance of separation of the walls.
asked
Aug 18, 2021
in
Physics Form 1
by
anonymous
sound
0
votes
1
answer
A person stands between two high walls d metres apart. He stands 400m from the nearer wall. He blows a whistle and hears two echoes, the first one after 2.5 seconds and the second one 2 seconds later. Determine:
asked
Aug 23, 2021
in
Physics Form 2
by
anony mous
sound
speed of sound by echo method
0
votes
1
answer
A boy whistles once at a distance 250 m from a vertical cliff. If the temperature in the surrounding is 50C .If the speed of sound = (331.5m/s at 00c) the speed in air increases at about 0.6 m/s per 0C,
asked
Jul 29, 2021
in
Physics Form 3
by
anonymous
sound
0
votes
1
answer
Wambua strikes a steel super bridge with a hammer. If the speed of sound in steel is 5,200 m/s, determine the time taken for the sound to reach another Samuel 2.6 km far off the bridge with his ear on the rail.
asked
Jul 29, 2021
in
Physics Form 2
by
anonymous
sound
Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.
Categories
All categories
Mathematics
(632)
English
(287)
Kiswahili
(559)
Chemistry
(663)
Physics
(604)
Physics Form 1
(307)
Physics Form 2
(129)
Physics Form 3
(91)
Physics Form 4
(76)
Biology
(659)
Geography
(537)
History
(568)
CRE
(365)
IRE
(53)
Agriculture
(519)
Business Studies
(379)
Computer Studies
(20)
Home Science
(60)
General Questions
(432)
6.4k
questions
9.6k
answers
6
comments
590
users
...