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IgorLugansk [536]
3 years ago
11

I NEED HELP ASAP!!!!!

Physics
1 answer:
Annette [7]3 years ago
5 0

Answer:

1. S = d/t S = speed D = distance traveled T= time elapsed

Explanation:

i can answer more in a minute sorry!!

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Pressure and temperature ______ with depth below Earth’s surface.
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Pressure increases as you move deeper below earth's surface.

Tempurature  increases as you move deeper below earth's surface.

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Which statement best describes the density of the outer planets?
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Saturn is mainly composed of the lightest two gases known, hydrogen and helium. It is the only planet in our solar system whose density is less than water.

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3 years ago
Calculate the recoil velocity in the horizontal direction, in meters per second, of a 1.25-kg plunger that directly interacts wi
mart [117]

Answer:

v_1=-8.19\ m/s'

Explanation:

It is given that,

Mass of the plunger, m_1=1.25\ kg

Mass of the bullet, m_2=0.0175\ kg

Initially both plunger and the bullet are at rest, u_1=u_2=0

Final speed of the bullet, v_2=585\ m/s

Let v_1 is the final speed of the plunger. Using the conservation of momentum to find it. The equation is as follows :

m_1u_1+m_2u_2=m_1v_1+m_2v_2

Since, u_1=u_2=0

m_1v_1+m_2v_2=0

v_1=-\dfrac{m_2v_2}{m_1}

v_1=-\dfrac{0.0175\times 585}{1.25}

v_1=-8.19\ m/s

So, the recoil velocity of the plunger is 8.19 m/s. Hence, this is the required solution.

7 0
3 years ago
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