What gas law looks at the relationship between pressure and temperature of a gas? A) Boyle's Law B) Charles' Law C) Gay Lussac's
2 answers:
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12 V is the f.e.m. 
of the battery. The potential difference that is applied to the motor is actually the fem minus the voltage drop on the internal resistance r:
this is equal to the voltage drop on the resistance of the motor R:
so we can write:
and using
and 
we can find the current I:
this is equal to the voltage drop on the resistance of the motor R:
so we can write:
and using
Answer:
Explanation:
Given
Distance between two loud speakers
Distance of person from one speaker
Distance of person from second speaker
Path difference between the waves is given by
for destructive interference m=0 I.e.
frequency is given by
where
For next frequency which will cause destructive interference is
i.e. and
frequency corresponding to this is
for
Frequency corresponding to this wavelength