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Ronch [10]
2 years ago
9

True or false: In order to create a sound wave, work must be done.

Physics
1 answer:
il63 [147K]2 years ago
4 0

True - Because a sound wave carries energy; to propagate energy, energy must be applied for the sound wave to carry energy.

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Which of the circuit diagrams shown in Figure 21-1A is a parallel circuit?
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I and II only it’s has multiple paths for the electricity to flow
4 0
3 years ago
2×3.14√(1.0m/(9.8〖ms〗^(-1) )=)
il63 [147K]

This is the period in a simple harmonic motion which is 2 seconds in this question.

<h3>What is Period ?</h3>

The period of an oscillatory object can be defined as the total time taken  by a vibrating body to make one complete revolution about a reference point.

We are given the below question

2×3.14√(1.0m/(9.8〖ms〗^(2) )= T

This question can as well be expressed as

2π√(L/g) which is equal to period T.

In a nut shell, Period T = 2×3.14√(1.0m/9.8)

T = 6.28√0.102

T = 6.28 × 0.32

T = 2.006 s

Therefore, the period T of the oscillation is 2 seconds approximately.

Learn more about Period here: brainly.com/question/12588483

#SPJ1

8 0
1 year ago
I NEED HELP RIGHT NOW PLEASE I will  30pts and A brainly to anyone who helps me with questions 2-13!!!!!!!
neonofarm [45]
True True False True False False True I hope I helped on the first few
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3 years ago
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What does this picture mean?
ivann1987 [24]
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Which form of energy is equal to the sum of an object’s kinetic and potential energy?
Natali5045456 [20]

Answer:

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Explanation:

The sum of kinetic energy and potential energy of an object is its total mechanical energy.

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3 years ago
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