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3 years ago

Fj;salfj;lsfjl;sajfl;sjl;skfj;saldf

Physics

1 answer:

mafiozo [28]3 years ago

6 0

Hi hm dishrags V D.C. DC s hm FCC zzz TV in x hm x BBC V carb’s b b x b BBC

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Cual es el periodo entre cresta y cresta,si una

svet-max [94.6K]

translation: What is the period between crest and crest, if a

wave travels 85ms, if distance

is 4.5m. And what is its frequency.

Lo siento, pero no puedo responder a tu pregunta.

(también la gente informará si lo hace en inglés mentalmente en un idioma diferente, así que ... tal vez traducir)

8 0

3 years ago

The percent by which the fundamental frequency changed if the tension is increased by 30 percent is ? a)-20.04% b)-40.12% c)-30%

nika2105 [10]

Answer:

Percentage increase in the fundamental frequency is

d)-14.02%

Explanation:

As we know that fundamental frequency of the wave in string is given as

$f_o = \frac{1}{2L}\sqrt{\frac{T}{\mu}}$

now it is given that tension is increased by 30%

so here we will have

$T' = T(1 + 0.30)$

$T' = 1.30T$

now new value of fundamental frequency is given as

$f_o' = \frac{1}{2L}\sqrt{\frac{1.30T}{\mu}}$

now we have

$f_o' = \sqrt{1.3}f_o$

so here percentage change in the fundamental frequency is given as

$change = \frac{f_o' - f_o}{f_o} \times 100$

% change = 14.02%

3 0

3 years ago

What are the examples of transparent medium?

Dennis_Churaev [7]

Answer:

fog and mist are the examples

3 0

3 years ago

NEED ANSWER ASAP what are the factors that affect the strength of a frictional force?

ololo11 [35]

It's not the second one since color has nothing to do with force. Also the third one isn't a factor since buoyant forces is the upward force of caused by fluid that opposes the object entering the liquid. The acceleration of the object and the mass of an object and how rough the surface are the only two factors in all the options.

8 0

4 years ago

A 5 m3 tank containing 5kg of an unknown ideal gas at 500 kPa is connected through a valve to another tank containing 10 kg of t

Ivan

Answer:

a) $V_{T} = 9\,m^{2}$ , b) $m_{T} = 15\,kg$ , c) $P_{T} = 416.667\,kPa$