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ella [17]
3 years ago
15

Which property of sound leads to the formation of sound?​

Physics
1 answer:
san4es73 [151]3 years ago
8 0
The property which leads to the formation of echoes is reflection of sound. When a sound is repeatedly reflected and if minimum distance between sound sources and reflecting surface is more than 17.2 m, then we hear echos
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An object elongates from a length of 45 cm to a length of 55 cm. The percent strain is
suter [353]

Answer:

22%

Explanation:

55 - 45 = 10

10/45 simplifies to 2/9

2/9 = 0.22222... so 22.22% (rounded 22%)

5 0
3 years ago
46 points :)
IgorC [24]

Answer:

Its is dividing by 2

Explanation:

It starts with 100 them it goes to 50, 25, 12.5 so its a cycle of dividing by 2

3 0
3 years ago
Read 2 more answers
Skydiver jumps out of a plane she falls down word and very fast P. When she Open Sarah parachute she slows down. What force pull
Thepotemich [5.8K]
There are two forces acting on a parachute with a parachutist: the force of gravity and the air resistance. The force pulling the skydiver to the ground would be Wright force
4 0
3 years ago
A stone is thrown upward at an angle. what happens to the horizontal component of its velocity as it rises? as it falls?
Ne4ueva [31]
<span>Rising or falling, it does not change.</span>
5 0
3 years ago
A crane lifts an air conditioner to the top of a building. If the building is 12 m high, and the air conditioner has a mass of 2
Pepsi [2]

Work needed = 23,520 J

<h3> Further explanation </h3>

Given

height = 12 m

mass = 200 kg

Required

work needed by the crane

Solution

Work is the transfer of energy caused by the force acting on a moving object  

Work is the product of force with the displacement of objects.  

Can be formulated  

W = F x d  

W = Work, J, Nm  

F = Force, N  

d = distance, m  

F = m x g

Input the value :

W = mgd

W = 200 kg x 9.8 m/s²x12 m

W = 23520 J

8 0
3 years ago
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