4 years ago

C

Physics

1 answer:

Angelina_Jolie [31]4 years ago

7 0

I am very sorry I don’t know

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You were driving your car to UTD at a speed of 35 miles per hour. You stopped at the FloydCampbell intersection with the signal

ser-zykov [4K]

Answer:

green light have high energy

Explanation:

We have given the wavelength of the red light $\lambda =6.45\times 10^{-5}cm=6.45\times 10^{-7}m$

Speed of the light $c=3\times 106{8}m/sec$

The energy of the signal is given by $E=h\nu =h\frac{c}{\lambda }=\frac{6.67\times 10^{-34}\times 3\times 10^{8}}{6.45\times 10^{-7}}=3.1023\times 10^{-15}j$

The frequency of the green light is given by:

$f=5.80\times 10^{14}s^{-1}$

So energy $E=h\nu =6.67\times 10^{-34}\times 5.80\times 10^{14}=3.8686\times 10^{-19}j$

So green light have high energy

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3 years ago

MAXImum [283]

Answer:

true

Explanation:

Newton is the measure of the force with turns to be gravity multiplying the mass. Thus, the forces acts on the particles in the direction of the movement of the particles

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3 years ago

HELP ME PLEASE. i need to turn this in by tomorrow, also pls use the words above^ thank you i’ll mark u the brainliest.

Vlad [161]

Answer:

the corrdct answer is core

4 0

3 years ago

Three people bought copper items, and they each relied on different properties of copper. Bernie bought a set of dishes that inc

Luden [163]

The answer is A.

Copper is conductive hence Bernie could use the copper bowl to easily warm his food.

Copper is ductile hence Nicholas can easily bend his copper wire gauge

Copper is malleable hence can be easily shaped into a form hence used to make a bracelet for Matt’s mother.

3 0

3 years ago

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7.1 Project Guidelines 2021

Ede4ka [16]

I’m not sure if this will help but I found: https://prezi.com/l0fa6du3b9kp/going-off-the-grid-assignment/?fallback=1 and

3 0

3 years ago