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RUDIKE [14]
3 years ago
14

PLEASE HELP ASAP!!!!!!!!!!WILL GIVE BRAINLIEST...

Physics
2 answers:
Delicious77 [7]3 years ago
7 0
The answer to this is D. Green.
joja [24]3 years ago
6 0
The answer is A because of the pigment chlorophyll that absorbs blue and red light
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You are given a semiconductor resistor made from silicon with an impurity concentration of resistivity 1.00×10−3ωm. the resistor
Vlad [161]

Answer: Resistance =3.2 \Omega , Current = 1.56 A, Voltage =4.99 V

The resistance,

R=\frac {\rho l}{A}

where, \rho is resistivity, A is the area and l is the length of the resistor.

It is given that:

\rho=1.0\times10^{-3}\Omega m

Length, l=2 mm

Area, A= width \times height=1.25 mm\times 0.5 mm=0.625 mm^2

Hence, R=\frac{1.0\times10^{-3}\Omega m \times 2\times10^{-3}m}{0.625\times10^{-6}m^2}=3.2\Omega

We know, Power, P=I^2R

\Rightarrow I=\sqrt{\frac{P}{R}}

P=7.81 W

I=\sqrt{\frac {7.81 W}{3.2\Omega}}=\sqrt{2.44}A=1.56A

We know, Voltage, V=IR=1.56\times3.2=4.99 V




4 0
2 years ago
A Martian rover is descending a hill sloped at 30° with the horizontal. It travels with a constant velocity of 2 meters/second.
kodGreya [7K]
Vx = 2*cos30 = 1.73m's
Other words:
D = Vo*t = 1.4 * 21 = 31.5m. @ 30 Deg.
Dy = 31.5*sin30 = 15.75 m.
8 0
3 years ago
Read 2 more answers
ON
mojhsa [17]

B. the distance the star is from Earth

Explanation:

The apparent magnitude of star is a function of its distance from the earth. It is one of the physical properties that is used to study a star.

The apparent magnitude of a star or other astronomical bodies is a measure of their brightness as seen from a location on the earth.

The apparent magnitude of a star depends on:

  • Distance of the star from the location on earth.
  • luminosity of the star
  • the particles along the part of the star and earth that cuts off the light the earth receives.

learn more:

Star luminosity brainly.com/question/9084808

#learnwithBrainly

5 0
3 years ago
Sediment laid down by glacial meltwater is called
Mrac [35]
<span>Your answer isStratified drift</span>
6 0
3 years ago
Read 2 more answers
What will happen when a light bulb is removed from the circuit below, leaving a gap?
Charra [1.4K]

Answer:

The remaining light bulbs will go out.

Explanation:

The light bulb that was taken out routed power to the other light bulbs, there for, not giving power to the next light bulbs will make them turn off or, "go out". This may be incorrect, as you did not provide a picture of the circuit.

7 0
3 years ago
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