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vichka [17]
2 years ago
8

During photosynthesis, plants transform the energy in sunlight into chemical

Physics
1 answer:
shutvik [7]2 years ago
3 0

B and D

Explanation:

The scientists need to replicate her experiment and to do that you need actual sunlight,it can't be carried out in a laboratory

Hope this helped

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What is the speed of a wave if the frequency is 2.34 and the wavelength is 7.3?
Zepler [3.9K]

Answer:

v= 17.082m/s

Explanation:

v= f( lambda)

v= 2.34(7.3)

v= 17.082m/s

3 0
2 years ago
What is the de Broglie wavelength for a proton with energy 50 keV? Due to the limitations of Canvas, please give the wavelength
ad-work [718]

Answer:

1.2826 x 10^-13 m

Explanation:

\lambda  = \frac{h}{\sqrt{2 m K}}

Here, k be the kinetic energy and m be the mass

K = 50 KeV = 50 x 1.6 x 10^-16 J = 80 x 10^-16 J

m = 1.67 x 10^-27 kg

\lambda  = \frac{6.63 \times  10^{-34}}{\sqrt{2 \times 1.67\times 10^{-27}\times 80\times 10^{-16}}}

λ = 1.2826 x 10^-13 m

6 0
3 years ago
How are neutron starts formed ?
Hitman42 [59]

Neutron stars are formed when a massive star runs out of gas and collapses.

8 0
3 years ago
Could we see a galaxy that is 20 billion light-years away?.
vichka [17]

Answer:

No

Explanation:

20 billion light-years away are beyond our sight and perspective on Earth and wouldn't be observable in our universe.

7 0
2 years ago
When it reacts with another element, an oxygen atom gains two electrons.
luda_lava [24]

Answer:

A

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An ion with a negative charge

3 0
3 years ago
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