Answer:
I = 16amp
Explanation:
Charge coulomb ( Q ) = It
Where I =current in ampere
t = time = 5 seconds
80 = I × 5
I = 80/5
I = 16amp
The current through the circuit will be I = 16amp
Answer:
Driving force increases, friction forces increase, the driving force is bigger than friction 12.
Explanation:
In order to decrease the friction on the slide,
we could try some of these:
-- Install a drippy pipe across the top that keeps continuously
dripping olive oil on the top end of the slide. The oil oozes
down the slide and keeps the whole slide greased.
-- Hire a man to spread a coat of butter on the whole slide,
every 30 minutes.
-- Spray the whole slide with soapy sudsy water, every 30 minutes.
-- Drill a million holes in the slide,and pump high-pressure air
through the holes. Make the slide like an air hockey table.
-- Keep the slide very cold, and keep spraying it with a fine mist
of water. The water freezes, and a thin coating of ice stays on
the slide.
-- Ask a local auto mechanic to please, every time he changes
the oil in somebody's car, to keep all the old oil, and once a week
to bring his old oil to the park, to spread on the slide. If it keeps
the inside of a hot car engine slippery, it should do a great job
keeping a simple park slide slippery.
-- Keep a thousand pairs of teflon pants near the bottom of the ladder
at the beginning of the slide. Anybody who wants to slide faster can
borrow a set of teflon pants, put them on before he uses the slide, and
return them when he's ready to go home from the park.
Answer:
a)the possible frequencies are 521hz ,522hz, 523, 524hz,525hz
b) 526hz
c)0.989 or a 1.14% decrease in tension
Explanation:
a) While tuning a string at 523 Hz,piano tuner hears 2.00 beats/s between a reference oscillator and the string.
The possible frequencies of the string can be calculated by
fl=f' - B
where
fl= lower limit of the possible frequency
f'= frequency of the string
B= beat heard by the tuner
fl= 523hz + Or - (2beats/secs * 1hz/1beat per sc)
fl= 521hz or 525hz
So the possible frequencies are 521hz ,522hz, 523, 524hz,525hz
b)fl=f' - B
523hz= f' - 3
f'= 523 + 3= 526hz
c) The tension is directly proportional to the square of the frequencies
T1/T2 =f1^2/f2^2
523^2 / 526^2 = 0.989 or a 1.14% decrease in tensio
Although the video is not found here, the sentence makes reference to the transmission spectrum of colored filters.
<h3>What is the transmission spectrum?</h3>
The transmission spectrum indicates the light portion having a given wavelength that can be passed through a filter.
This spectrum (transmission spectrum) depends on the physical separation of the particles that form the filter.
In conclusion, although the video is not found here, the sentence makes reference to the transmission spectrum of colored filters.
Learn more about the transmission spectrum here:
brainly.com/question/1287536
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