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rusak2 [61]
3 years ago
14

At room​ temperature, glass used in windows actually has some properties of a liquid. it has a very​ slow, viscous flow.​ (visco

sity is the property of a fluid that resists internal flow. for​ example, lemonade flows more easily than fudge syrup. fudge syrup has a higher viscosity than​ lemonade.) glass does not become a true liquid until temperatures are greater than or equal to 515515​°c. find the fahrenheit temperatures for which glass is a liquid. ​hint: use the formula
Physics
1 answer:
tamaranim1 [39]3 years ago
8 0
<span>The fahrenheit temperature is 927965. It is calculated using the formula 515515 Degree Cx1.8+32=927965. The degree celcius and fahrenheit are two units two measure temperature. If the value is given in celcius it can be converted into fahrenheit using the above formula.</span>
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The__ of friction is a number that represents the resistance to sliding
Tresset [83]

Answer:

B. coefficient

Explanation:

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You are driving up a long, inclined road. After 1.50 mi you notice that signs along the roadside indicate that your elevation ha
Alenkasestr [34]

Answer:

a. 3.98^{0}

b. 1.91mi

Explanation:

The data given are

Height,h=550ft,

length of incline plane, L=1.50 miles

first we convert all parameters to meters

since 1ft=0.3048m  then 550ft will be 167.76m

also 1mile=1609.34m, hence 1.5mile will be 2414m

From the diagram attached, the length and height formed a simple triangle with the length being the hypotenuse and the  height being the opposite.

Hence using SOHCAHTOA, we can conclude that the angle will be

sin\alpha =\frac{h}{l}\\\alpha=sin^{-1}\frac{167.76}{2414}\\\alpha =3.98^{0}

b.  the new height becomes

h=550+150=700ft\\h=0.3048*700=213.36m

going by the same formula, we solve the new length s

sin\alpha =\frac{213.36}{l}\\ l=\frac{213.36}{sin3.98}\\ l=3073.99m\\l=1.91mi

5 0
3 years ago
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Can someone help me with this please
Ganezh [65]

Answer:

Your answer would be A.

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3 years ago
How long does it take (in minutes) for light to reach mercury from the sun, a distance of 6.02 × 107 km?
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Light travels at a speed of:
c=3 \cdot 10^8 m/s
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t= \frac{200.7 s}{60 s/min}=3.34 min
6 0
3 years ago
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La ce distanta de la suprafata Pamintului intensitatea cimpului sau gravidational este egala cu 1 N/kg ?
Ulleksa [173]
Acceleration of gravity is proportional to  1/D² .
('D' is the distance from the Earth's center.)

We need  (D / R)² = 9.8
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D/R = √9.8 = 3.13

Distance from Earth's <u>center</u> = 3.13 R
Distance above Earth's <u>surface</u> = 2.13 R = about 13,570 km =====================================================

<span>Accelerarea de gravitate este proporțională cu 1 / D².
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Avem nevoie de (D / R) ² = 9,8
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D / R = √9.8 = 3,13

Distanța de la <u>centrul</u> Pamantului = 3,13 R
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