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Anettt [7]
3 years ago
10

6. What's a stalactite?

Physics
1 answer:
iogann1982 [59]3 years ago
8 0

I think it's d......... Good luck

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Melting ice caps can result in _____.
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Elements with low specific heat values have which characteristic?
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3 years ago
Two point charges of 60.0 C and -12.0 C are separated by a distance of 20.0 cm. A 7.00 C charge is placed midway between these t
iogann1982 [59]

Answer:

4.5\times 10^{14} N

Explanation:

q_1=60 C

q_2=-12 C

q_3=7 C

Distance between q1 and q2,d=20 cm

r=\frac{d}{2}=\frac{20}{2}=10 cm=10\times 10^{-2} m

1m =100 cm

Electric force on charge q3 due to charge q1

F_1=\frac{kq_1q_3}{r^2}=\frac{9\times 10^9\times 60\times 7}{(10\times 10^{-2})^2} (away from q1)

Electric force on charge q3 due to charge q2

F_2=\frac{kq_2q_3}{r^2}=\frac{9\times 10^9\times 12\times 7}{(10\times 10^{-2})^2}(attract toward q2)

Net force=F=F_1+F_2

F=\frac{9\times 10^9\times 60\times 7}{(10\times 10^{-2})^2}+\frac{9\times 10^9\times 12\times 7}{(10\times 10^{-2})^2}

F=\frac{9\times 10^9\times 7}{(10\times 10^{-2})^2}(60+12)

F=4.5\times 10^{14} N

5 0
4 years ago
Việt và Thái cùng nhảy ra khỏi một chiếc be với vận tốc bằng nhau
vitfil [10]

Answer:

k

Explanation:

8 0
3 years ago
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