The period P of a pendulum depend on its length , mass as well as the acceleration due to gravity . Use dimensional analysis to
show that equation for P has the form
=√
where is a dimensionless costant.
1 answer:
Explanation:
Period P has units of seconds (s).
Length has units of meters (m).
Mass has units of kilograms (kg).
Acceleration has units of meters per second squared (m/s²).
Dimensional analysis:
s = √(m / (m/s²))
Therefore:
P = k √(L/g)
where k is a dimensionless constant.
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85 N - 40 N = 45 N
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Answer:
1210 ohm
Explanation:
Given :
P=40 W
V=220 V
Now,
Therefore, resistance of bulb will be 1210 ohm
