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mestny [16]
3 years ago
5

The number of waves that pass a given point in a second is___.

Physics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

Frequency

Explanation:

The frequency ( ) of a wave is the number of waves passing a point in a certain time.

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What is the frequency of the fundamental mode of vibration of a steel piano wire stretched to a tension of 440 N? The wire is 0.
Rasek [7]

Complete Question

The complete question is shown on the first uploaded image

Answer:

Explanation:

From the question we are told that

    The tension is  T  =  440 \  N

     The length of the wire is l =  0.600 \  m

     The mass is  m  =  5.60 \ g = 0.0056 \  kg

Generally the frequency is mathematically represented as

            f  =  \frac{1}{2l}  *  \sqrt{\frac{T}{\frac{m}{l} } }

=>        f  =  \frac{1}{2 * 0.600 }  *  \sqrt{\frac{440}{\frac{0.0056}{0.600} } }

=>        f = 181 \ Hz

4 0
3 years ago
What is the length of a pendulum with a period of 1.75 sec on Venus?
spin [16.1K]
Value of g on Venus=8.87 m/s²
Period of pendulum=1.75 s
Given pendulum,
                                 T=2π√(L/g)
                                 (1.5)=2π√(L/8.87)
                                   L=0.505 m
8 0
3 years ago
A giraffe, standing 6.00 m tall, bites a branch off a tree to chew on the leaves
Lemur [1.5K]

Answer:

1.11 s.

Explanation:

From the question given above, the following data were obtained:

Height (H) = 6 m

Acceleration due to gravity (g) = 9.8 m/s²

Time (t) =.?

The time taken for the branch to hit the ground can be obtained as follow:

H = ½gt²

6 = ½ × 9.8 × t²

6 = 4.9 × t²

Divide both side by 4.9

t² = 6/4.9

Take the square root of both side

t = √(6/4.9)

t = 1.11 s

Therefore, it will take 1.11 s for the branch to hit the ground.

6 0
3 years ago
Put each event in order of its occurrence, according to the big bang theory. please note that more accurate calculations of the
GalinKa [24]
I think the events are already chronologically arranged correctly. It always have to start with the simplest elements, the hydrogen and helium. In fact, these are the elements that compose the stars. The nuclear fusion of hydrogen atoms to helium is what gives the stars and the sun their energy. So, this is followed by letter b, which is the formation of stars. Then, when these stars explode a stated in c, they produce even heavier elements. As a result, this big bang theory tells us that the universe is expanding because of this 'explosion'. In the end, it led to the formation of the sun, the planets and the universe. <em>Thus, the arrangement is: a, b, c and d.</em>
6 0
3 years ago
What hapens when someone has split brain​
Slav-nsk [51]

Answer:

The procedure involves severing the corpus callosum, the main bond between the brain's left and right hemispheres. ... This impairment can result in split-brain syndrome, a condition where the separation of the hemispheres affects behavior and agency.

Explanation:

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3 years ago
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