Answer:
Explanation is attached to the picture
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Answer:
The time constant is 76.92 sec.
Explanation:
Given that,
Mass of bob = 1.00 kg
String length=1.00 m
Time = 25.0 s
Suppose we need to calculate the numerical value of the time constant τ.
We need to calculate the numerical value of the time constant τ
Using formula of time constant
Put the value into the formula
Hence, The time constant is 76.92 sec.
The atomic number is the same as the proton number so the answer would be D) 10