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just olya [345]
2 years ago
13

How have scientists played an important role in history?

Physics
2 answers:
lidiya [134]2 years ago
8 0

Answer:

B

Explanation:

B makes the most sense in my opinion. because different discoveries have influenced many factors of the world

yarga [219]2 years ago
4 0

Answer: B.

Explanation:

A scientific discovery that has changed the world is Edward Jenner’s vaccine against the smallpox. His vaccine has been further modified to combat other diseases.

pls hit the thx button and mark me brainliest if this helped :)

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In midair in the international space station a 1 kg chunk of putty moving at 1 m/s collides with and sticks to a 5 kg chunk of p
Delicious77 [7]
<span>We know that the momentum keeps constant in a inelastic collisions, so the product of mass and speed do not change:
   m1 * v1 + m2 * v2 = m * v
 1 * 1 + 5 * 0 = (1 + 5) * v
  1 = 6 * v
 v = 1/6 m/s
   So the final speed of the 6 kg chunk will travel at 0.167 m/s</span>
6 0
3 years ago
Select all that apply. There MIGHT be more than one.
Stolb23 [73]
I believe the answer to your question is “Lithosphere plate boundaries”

The planet Earth is covered by a layer formed by land and rocks called the earth's crust or lithosphere. This crust is not smooth and uniform, but rather irregular and composed of tectonic plates, also called lithosphere plates. These plates are not fixed as they are under the magma (high temperature molten rock).

Hope this helps!:)
4 0
2 years ago
How can someone, like myself, share roughly 50% of their DNA with a 1st Cousin?
iragen [17]

Answer:

that's your 1st cousin which is your mom or dad's sibling's child sooo when you're that close and that related i would say that that would be the reason why.

Explanation:

hoped that helped!!

4 0
2 years ago
Find the radius using the centripetal acceleration formula: acceleration = 6.6 x 10^6 m/s^2 velocity = 2,000 rev/s
aksik [14]

the radius is 231

Explanation:

6 0
3 years ago
please help In a video game, a ball moving at 0.6 meter/second collides with a wall. After the collision, the velocity of the ba
viva [34]

Answer:

the acceleration during the collision is: - 5  \frac{m}{s^2}

Explanation:

Using the formula:

a=\frac{\Delta\,v}{\Delta\,t}

we get:

a=\frac{-0.4-0.6}{0.2} \,\frac{m}{s^2} =\frac{-1}{0.2} \,\frac{m}{s^2} =-5\,\,\frac{m}{s^2}

4 0
3 years ago
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