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notsponge [240]
2 years ago
15

dopasuj wartości pracy z ramki do przedstawionych sytuacji a następnie wyraź tę pracę w dżulach uwaga jedna wartość pracy nie bę

dzie pasowała do żadnej sytuacji
Physics
2 answers:
CaHeK987 [17]2 years ago
8 0

Answer:

I don't know how to read that.

Explanation:

I can't explain.

Alexxx [7]2 years ago
5 0
This is a very complex question
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For most people, getting 8 to 9 hours of sleep increases concentration, improves physical health, and improves one's mood.
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What is denser medium?​
abruzzese [7]

Answer: A medium in which speed of light is more is known as optically rarer medium and a medium in which speed of light is less is said to be optically denser medium. For example in air and water, air is raer and water is a denser medium.

Explanation:

6 0
2 years ago
A 25 kg child runs at a speed of 5.0 m/s and jumps onto a stationary shopping cart and holds on for dear life. The cart has mass
makkiz [27]

Answer:

3.38 m/s

Explanation:

Mass of child = m₁ = 25

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Initial speed of cart = u₂ = 0 m/s

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This is a case of perfectly inelastic collision

m_1u_1+m_2u_2=(m_1+m_2)v\\\Rightarrow v=\frac{m_1u_1+m_2u_2}{m_1+m_2}\\\Rightarrow v=\frac{25\times 5+12\times 0}{25+12}\\\Rightarrow v=\frac{125}{37}\\\Rightarrow v=3.38\ m/s

Velocity of cart with child on top is 3.38 m/s

7 0
3 years ago
HELP ASAP <br> Describe when contact metamorphism occurs?
diamong [38]

Contact metamorphism occurs adjacent to igneous intrusions and results from high temperatures associated with the igneous intrusion. Since only a small area surrounding the intrusion is heated by the magma, metamorphism is restricted to the zone surrounding the intrusion, called a metamorphic or contact aureole

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2 years ago
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