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Thepotemich [5.8K]
3 years ago
13

If y^2= 3.249 x 10^-11, y = ?

Physics
2 answers:
Leni [432]3 years ago
5 0

Answer:

Scientific Notation: 3.45 x 10^5

E Notation: 3.45e5

maksim [4K]3 years ago
5 0

Answer:

y=5.7×10^-6 probably

Explanation:

to get rid of a square you may take the square root of each side. the square will cancel with the square root to get y=sqrt(3.249×10^-11)

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m_1u_1+m_2u_2=(m_1+m_2)V\\\\90\times 1.5i+57\times 2j=(90+57)V\\\\V=\dfrac{135i+114j}{147}\\\\V=\dfrac{135i}{147}+\dfrac{114j}{147}\\\\V=(0.91i+0.77j)\ m/s

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|V|=\sqrt{0.91^2+0.77^2} \\\\|V|=1.19\ m/s

So, the two skaters will move with a common speed of 1.19 m/s.

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