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rewona [7]
4 years ago
7

A mass attached to a spring oscillates and completes 53 full cycles in 28 s. What is the time period (in s) and frequency (in Hz

) of this system? period s frequency Hz
Physics
1 answer:
ivann1987 [24]4 years ago
5 0

Explanation:

It is given that, a mass attached to a spring oscillates and completes 53 full cycles in 28 s. Frequency of the system is given by the number of oscillations or vibrations per second. Here, the frequency of this system is given by :

f=\dfrac{no\ of\ oscillations}{time}

f=\dfrac{53}{28}

f = 1.89 Hertz

The relationship between the frequency and the time period of the spring is inverse i.e.

T=\dfrac{1}{f}

T=\dfrac{1}{1.89\ Hz}

T = 0.52 seconds

Hence, this is the required solution.

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Identify which best describes the energy used to pluck guitar strings to make sound.
Novay_Z [31]
<span>The correct answer is: Mechanical Energy

Explanation:
As the guitar strings are plunked, the potential energy stored in the strings has an ability to make them vibrate. When the strings are vibrating, that potential energy is actually converted to the kinetic energy. Hence, the whole phenomena contains both the kinetic energy and the potential energy. The sum of kinetic energy and the potential energy is called Mechanical energy. Therefore, the correct answer is Mechanical Energy.</span>
8 0
3 years ago
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Suatu sistem gas berada didalam ruang yang fleksibel. Pada awalnya gas berada pada kondisi P1 = 1,5 × 10 pangkat 5 N/m2, T1 = 27
enot [183]

Answer:

16.00L

Explanation:

First you calculate the number of moles in the system:

PV=nRT\\\\n=\frac{PV}{RT}\\\\n=\frac{(1.5*10^5N/m^2)(12L)}{(0.082L.atm/mol.K)(300.15K)}=73134.16\ mol

To find the new volume of the system you use the following formula for an isobaric procedure:

T_2-T_1=\frac{P}{nR}(V_2-V_1)\\\\V_2=\frac{nR}{P}(T_2-T_1)+V_1\\\\V_2=\frac{(73134.16\ mol)(0.082L.atm/mol.K)}{1.5*10^5N/m^2}(400.15-300.15)K+12L\\\\V_2=16.00L

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6 0
4 years ago
Which statement correctly describes the reactivity of noble gases according to the octet rule
algol13

Their atoms have eight electrons in their valence shells, so noble gases are very unreactive.

Explanation:

The octet rule state that atoms tend to complete their last energy levels with eight electrons, and that this configuration make them very stable and unreactive.

Noble gases are characterized as unreactive atoms, and this is associated with the fact that they have a complete valence shell, it means that they have eight electrons on it (they follow the octet rule).

Atoms with less electrons on their valence shells tend to react with another atom, forming bonds, to complete their valence shells (with eight electrons).

<h2>---</h2>

Hope this helps you! Have a great day and or night love <3

3 0
1 year ago
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Which of the following is true of the planet jupiter
shtirl [24]
Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a giant planet with a mass one-thousandth that of the Sun, but two and a half times that of all the other planets in the Solar System combined.
5 0
4 years ago
An electric scooter has a battery capable of supplying 135 Wh of energy. If friction forces and other losses account for 60.0% o
Vedmedyk [2.9K]

Answer:

206 m

Explanation:

The energy output of the scooter battery = 135 Wh = 135 W × 3600 s = 486000 J.

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7 0
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