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pentagon [3]
3 years ago
6

When a ball rolls downhill, the rolling motion results in the ball ____________.

Physics
2 answers:
Flura [38]3 years ago
8 0

Answer:

the answer is b!!

Explanation: i got it wrong grrr. but it told me the correct answer

emmainna [20.7K]3 years ago
7 0

I am pretty sure it is A Becoming warm

Since it’s moving and causing friction which makes it warm


Hope this helps

Mark me brainliest

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A string of length 0.6 M is vibrating at 100 Hz and its second harmonic and producing sound that moves at 340 m/s. What is true
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Answer: the answer is B

Explanation: I just took the quiz :)

6 0
3 years ago
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A 60 year old person has a threshold of hearing of 95.0 dB for a sound with frequency f=10,000 Hz. By what factor must the inten
Nadusha1986 [10]

Answer:

The intensity increased by a factor of 158489

Explanation:

Given that,

Sound level = 95.0 dB

Sound level = 43.0 dB

Frequency = 10000 Hz

We need to calculate the ratio of sound intensity

Using formula of sound level

sound\ level =10 log\dfrac{I}{I_{0}}

Put the value into the formula

95.0=10\ log\dfrac{I_{1}}{I_{0}}...(I)

43.0=10\ log\dfrac{I_{2}}{I_{0}}.....(II)

Subtracting these equations

52.0=10\ log\dfrac{I_{1}}{I_{2}}

\log\dfrac{I_{1}}{I_{2}}=5.2

Taking inverse log

\dfrac{I_{1}}{I_{2}}=10^{5.2}

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Hence, The intensity increased by a factor of 158489

4 0
3 years ago
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Answer:

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An 80-kg football player travels to the right at 8 m/s and a 120-kg player on the opposite team travels to the left at 4.0 m/s.
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Answer:

See Explanation

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Opposite turns the plus to subtraction.

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7 0
2 years ago
A car traveling with constant speed travels 150 km in 7200 s what is speed of the car
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8 0
3 years ago
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