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Zina [86]
3 years ago
12

Care este densitatea materialului din care se confectioneaza un cub de 5cm daca masa lui este de 0,975kg/m3?

Physics
2 answers:
ValentinkaMS [17]3 years ago
5 0

Answer:

i speak english not spanigh sorry :(

Explanation:

Temka [501]3 years ago
4 0

Answer:

dh bc2ied ci2ehbd1jhweknhew

Explanation:

hope this helped :)

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A gas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kPa to a final volume of 0.065 m^3 while its te
USPshnik [31]

Answer:

286

Explanation:

p1v1/T1=p2v2/T2

then subtitude your values

T2=760*0.65*273/210*0.040

T2=135/8.4=16+273=289

7 0
3 years ago
Why are the largest craters we find on the Moon and Mercury so much larger than the largest craters we find on the Earth
Veronika [31]

Answer:

Because Moon and Mars has no atmosphere.

Explanation:

Moon and Mars has no atmosphere, so there is no friction on the falling object due to the atmosphere. The speed of the falling object is more at Moon and Mars.

When a small object impact on the surface of moon or Mars with high speed, the size of crater is large than the earth as out earth has atmosphere.

3 0
3 years ago
In principle, when you fire a rifle, the recoil should push you backward. How big a push will it give? Let's find out by doing a
MaRussiya [10]

Answer:

v= \frac{10\times10^{-3} V}{70} m/s

Explanation:

Assumption: bullet leaves the muzzle at a speed of V m/s

and velocity of push received by the man be v m/s

According to newton's third law to every action there is always an equal and opposite reaction.

therefore,

mass of man× velocity = mass of bullet×its velocity

⇒70×v= 10×10^-3 ×V

solving the above eqaution we get

therefore v= \frac{10\times10^{-3} V}{70} m/s

7 0
4 years ago
How long will it take a horse to go from rest to 19 km/hr if it is accelerating at 5<br> km/hr 2 ?
Nataliya [291]

Answer:

I attached a PFD with the answer to your question and roughly 50 others involving acceleration and how to calculate it. This PDF gives you the answers to all the question whilst showing you an in-depth explanation on how they got the answer. Hopefully that helps

Explanation:

May I have brainliest please? :)

Download pdf
6 0
3 years ago
Summary of set.........
Brrunno [24]

Answer:

Set for what? did U finish the question?

7 0
3 years ago
Read 2 more answers
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