3 years ago

Which point or points on the image below show constructive interference of light? *

Physics

2 answers:

vampirchik [111]3 years ago

8 0

B and D hope im right :))

KatRina [158]3 years ago

7 0

I believe that it’s B and D

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6- B

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2 years ago

The interaction between electrical energy and magnetism has been an important

choli [55]

Answer:

Maybe

Explanation:

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3 years ago

a 230 kg roller coaster reaches the top of the steepest hill with a speed of 6.2 km/h. It then descends the hill, which is at an

igor_vitrenko [27]

Answer: 81.619 kJ

Explanation:

Given

Mass of roller coaster is $m=230\ kg$

It reaches the steepest hill with speed of $u=6.2\ km/h\ or \ 1.72\ m/s$

Hill to bottom is 51 m long with inclination of $45^{\circ}$

Height of the hill is $h=51\sin 45^{\circ}=36.06\ m$

Conserving energy to get kinetic energy at bottom

Energy at top=Energy at bottom

$\Rightarrow K_t+U_t=K_b+U_b\\\Rightarrow \dfrac{1}{2}mu^2+mgh=K_b+0\\\\\Rightarrow K_b=0.5\times 230\times 1.72^2+230\times 9.8\times 36.06\\\Rightarrow K_b=340.216+81,279.24\\\Rightarrow K_b=81,619.456\ J\\\Rightarrow K_b=81.619\ kJ$

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3 years ago

Which component of the earth’s atmosphere is decreased due to photosynthesis?

Lana71 [14]

The component of Earth's atmosphere that is decreased due to photosynthesis is carbon dioxide (D).

mark me brainliest!!!!!

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3 years ago

Red clothes will---the red light.A)Reflect B)refract C)Absorb D)transmission E)Dispersion

posledela

Red clothes look red because they REFLECT the red light, and absorb light of other colors.

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3 years ago