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2 years ago

The monosaccharide found in fruits is

Physics

1 answer:

Anuta_ua [19.1K]2 years ago

5 0

Answer:

Fructose

Explanation:

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elixir [45]

Answer:

1) Plate tectonic theory

2) Lithospheric

3) Plates

4) Heat

5) Less dense

6) Conventional current

7) Magma

8) Ocean crust

9) Slowly

10) Drifting away

8 0

2 years ago

a light wave travels at 3.0 x 10^8 m/s. if the wavelength of a red wave is 700 x 10^-9m, what is the frequency?

asambeis [7]

Frequency = (speed) divided by (wavelength)

   = (3 x 10⁸ m/s) / (700 x 10⁻⁹ m)

   = (3 / 700) x 10¹⁷ ( per sec )

   = 4.286 x 10¹⁴ per sec = 4.286 x 10¹⁴ Hz.

   = 42,860 GHz .

3 0

2 years ago

Determine the length of the tungsten filament in a 100 watt lightbulb given: (i) the resistivity of tungsten is 5.6 × 10−8 Ω · m

svetoff [14.1K]

Answer:

0.34148 m

Explanation:

$\rho$ = Resistivity of tungsten = $5.6\times 10^{-8}\ \Omega m$

d = Diameter = 0.0018 inch

r = Radius = $\dfrac{r}{2}=\dfrac{0.0018}{2}=0.0009\ in$

$r=0.0009\times 0.0254=0.00002286\ m$

$\alpha$ = Temperature coefficient of tungsten = $0.0045 /^{\circ}C$

Power is given by

$P=\dfrac{V^2}{R}\\\Rightarrow R=\dfrac{V^2}{P}\\\Rightarrow R=\dfrac{120^2}{100}\\\Rightarrow R=144\ \Omega$

We have the equation

$R_2=R_1[1+\alpha(T_2-T_1)]\\\Rightarrow R_1=\dfrac{R_2}{1+\alpha(T_2-T_1)}\\\Rightarrow R_1=\dfrac{144}{1+0.0045(2550-25)}\\\Rightarrow R_1=11.64812\ \Omega$

Resistance is given by

$R=\rho\dfrac{l}{A}\\\Rightarrow l=\dfrac{RA}{\rho}\\\Rightarrow l=\dfrac{11.64812\times \pi (0.00002286)^2}{5.6\times 10^{-8}}\\\Rightarrow l=0.34148\ m$

The length of the filament is 0.34148 m

7 0

2 years ago

Helppppppp its exam

UkoKoshka [18]

Answer:

a. 240.2 C

Explanation:

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2 years ago

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3 years ago