Answer:
and
Explanation:
a) We need first to identify the Period from the one-quarte 'time' given. That is
Then the period is,
From this Period we can calculate the radio,
Rearrange for r,
We know can calculate the Magnetic force,
b) To find the charge we only use the Force in terms of the electric field, that is
Rearrange to q,
Answer:
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Answer:410 Hz
Explanation:
It is given that frequency of tuning fork is 415 Hz and hears a beat of 5 beat per second
so untuned frequency must be either 410 Hz or 420 Hz because beat frequency is the difference in frequency of two notes.
When she tightens the string the beat frequency decrease
and velocity
where
where T=tension
it T increase v also increases and from 1 st equation frequency is also increasing therefore untuned frequency must be 410 Hz because beat frequency is decreasing.
It is D, the distance between each object squared. We get this from solving for the force of gravity, which is
F = G((m1*m2)/(r^2)).
Here, you can see that the masses of the two objects are divided by their total distance apart from each other (r) squared.