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Alchen [17]
2 years ago
12

Convert 9.75 millimeters to centimeters.

Physics
2 answers:
Alex777 [14]2 years ago
4 0
0.975 is correct, to get the answer you divide the length value by 10.
zysi [14]2 years ago
4 0

Answer:

.975 cenimetters

Explanation:

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A higher temperature, stiffer materials, and less dense materials increase the speed of sound.
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3 years ago
A ball is spun around in circular motion such that it completes 50 rotations in 25 s.
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Answer:

(A) The period of its rotation is 0.5 s (2) The frequency of its rotation is 2 Hz.

Explanation:

Given that,

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(1). Let T be the period of its rotation. It can be calculated as follows :

T=\dfrac{25}{50}\\\\T=0.5\ s

(2). Let f be the frequency of its rotation. It can be defined as the number of rotations per unit time. So,

f=\dfrac{50}{25}\\\\f=2\ Hz

Hence, this is the required solution.

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Which statements describe a physical property of matter? Check all that apply. A cumulus cloud is puffy and white. Vinegar has a
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4 0
3 years ago
Read 2 more answers
Equations to use: v= λ ∙ f v=d/t
Margarita [4]

b. 460.8 m/s

Explanation:

The relationship between the speed of the wave along the string, the length of the string and the frequency of the note is

f=\frac{v}{2L}

where v is the speed of the wave, L is the length of the string and f is the frequency. Re-arranging the equation and substituting the data of the problem (L=0.90 m and f=256 Hz), we can find v:

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c. 18,000 m

Explanation:

The relationship between speed of the wave, distance travelled and time taken is

v=\frac{d}{t}

where

v = 6,000 m/s is the speed of the wave

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Re-arranging the formula and substituting the numbers into it, we find:

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3 0
3 years ago
A man does 500 j work pushing a car a distance of 2m how much force does he apply
olasank [31]

Answer: 250 N

Explanation:

Use equation for work

W=F*d

d=2m

W=500J

F=?

-----------------------

W=Fd

F=W/d

F=500J/2m

F=250N

6 0
3 years ago
Read 2 more answers
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