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n200080 [17]
3 years ago
9

A solution has a ph level of 8. Which best describes the solution?

Physics
2 answers:
hodyreva [135]3 years ago
4 0

the answer is a weak base

IgorC [24]3 years ago
4 0
The answer is weak base
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Friction always acts opposite to the motion.

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A bicycle odometer which counts revolutions and is calibrated to report distance traveled is attached near the wheel axle and is
Bess [88]

Answer:

each rotation of the smaller wheel will show 84.382-75.3982=8.9838 inches more than the actual distance

Explanation:

d = Diameter of the wheel

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\pi d=\pi\times 27\\ =84.823\ inch

When diameter is 24 inches

\pi d=\pi\times 24\\ =75.3982\ inch

Therefore, each rotation of the smaller wheel will show 84.382-75.3982=8.9838 inches more than the actual distance

6 0
3 years ago
The quantity of charge passing through a surface of area 1.82 cm2 varies with time as q = q1 t 3 + q2 t + q3 , where q1 = 5.2 C/
Brrunno [24]

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Current through the surface at t = 1.1 s is 21.37 A.

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The charge is passing through a surface of area varies with time as :

q=q_1t^3+q_2t+q_3

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q=5.2t^3+2.5t+6.5

The rate of change of electric charge is called electric current. It is given by :

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At t = 1.1 s, Current,

I=15.6(1.1)^2+2.5\\\\I=21.37\ A

So, the instantaneous current through the surface at t = 1.1 s is 21.37 A.

3 0
3 years ago
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