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3 years ago

Which best describes nuclear fission?

Physics

2 answers:

Nina [5.8K]3 years ago

8 0

I think it is C im not 100% sure

Yuki888 [10]3 years ago

7 0

I believe the answer is C, but I'm not entirely sure

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As resistance goes up, what happens to the current?

Dmitriy789 [7]

I=U/R
As resistance goes up, current is goes down

6 0

3 years ago

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Find the frequencies of the first three harmonics of a 1.0-m long string which has a mass per unit length of 2.0  10–3 kg/m and

Lelechka [254]

Answer:

$f_1 = 100Hz$

$f_2 = 200Hz$

$f_3 = 300Hz$

Explanation:

Given:

Length of the string, L = 1 m

Mass per unit length, (m/L) = 2.0 × 10⁻³ kg/m

Tension in the string, T = 80N

Now, We know that,

Frequency, $f_n= n\frac{V}{2L}$ ................(1)

where, V = velocity

also,

$V=\sqrt{\frac{T}{m/L}}$

substituting the values in the equation we get

$V=\sqrt{\frac{80N}{2\times10^{-3}}}$

$V=200 m/s$

Now using the equation (1)

$f_1= \frac{200}{2\times 1}=100 Hz$

also,

$f_2= 2\times \frac{200}{2\times 1}=200 Hz$

$f_3= 3\times \frac{200}{2\times 1}=300 Hz$

Hence, the required frequencies are

$f_1 = 100Hz$

$f_2 = 200Hz$

$f_3 = 300Hz$

5 0

3 years ago

If the distance d (in meters) traveled by an object in time t (in seconds) is given by the formula d=a+bt2, the si units of a an

ss7ja [257]

Distance , d = a+b $t^2$

The unit of d is in meter and t is in seconds.

So the unit of a a must be meter.

Now we have unit of b $t^2$ is meter.

So unit of b* $second^2$ = meter

Unit of b = meter/ $second^2$

So unit of a = m and unit of b = m/ $s^2$ .

8 0

3 years ago

What is the net charge of both pantothenate and phosphopantothenate in aqueous solution at ph 7?.

wlad13 [49]

The net charge of pantothenate is -1 whereas the net charge of phosphopantothenate is −2 in aqueous solution at pH 7.

<h3>What is the net charge of both pantothenate and phosphopantothenate?</h3>

At pH 7, the carboxylic acid of pantothenate will lose one hydrogen ion which leads to a net charge of −1 on pantothenate while on the other hand, the phosphate group of phosphopantothenate will lose two hydrogen ions (−2) so −2 charge appear on the phosphopantothenate.

So we can conclude that The net charge of pantothenate is -1 whereas the net charge of phosphopantothenate is −2 in aqueous solution at pH 7.

Learn more about charge here: brainly.com/question/25923373

#SPJ1

4 0

2 years ago

Select the generic equation suggested by a graph showing a half-parabola. a y = kx b y = kx2 c y = k(1/x)

guajiro [1.7K]

Answer:

its b i took the test

Explanation:

7 0

2 years ago

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