Answer:
c. √2T
Explanation:
The period of a simple pendulum is given by;

Thus, the the new period will be √2T
Explanation:
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Answer:
The force makes it go slower or faster depending on it's mass.
Explanation:
Force = mass times acceleration
In series circuit, Req = R₁ + R₂ + R₃ + ···
In parallel circuit, 
<h3>Q7.</h3>
total resistance in the upper branch = R₂ + R₃ = R₂ + 2


R₂ + 2 = 12
R₂ = 10Ω
<h3>Q8.</h3>


Req = 1.7Ω
Pitch is related to frequency