3 years ago

What is the wavelength of radar waves with the frequency of 6.0 x 10 ^10 Hz?

Physics

1 answer:

Serjik [45]3 years ago

8 0

Yes yes multiply hurry up

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VA and I will not do this if they don't want it and you are a little

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3 years ago

A 1,300 kg wrecking ball hits the building at 1.07 m/s2.

dezoksy [38]

So we know F=ma
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so Force= ma
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Cobaltâ’60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of this

Crank

Energy of gamma rays is given by equation

$E = h\nu$

here we know that

h = Planck's constant

$\nu = frequency$

now energy is given as

$E = 4.70 MeV = 4.70 \times 10^6 \times 1.6 \times 10^{-19}$

$E = 7.52 \times 10^{-13} J$

now by above equation

$E = h\nu$

$7.52 \times 10^{-13} = 6.6 \times 10^{-34} \nu$

$\nu = 1.14 \times 10^{21} Hz$

now for wavelength we can say

$\lambda = \frac{c}{\nu}$

$\lambda = \frac{3\times 10^8}{1.14 \times 10^{21}}$

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3 years ago

The fast train known as the TGV (Train à Grande Vitesse) that runs south from Paris, France, has a scheduled average speed of 21

andrezito [222]

Answer:

Explanation:

Given

average speed of train $(v_{avg})=216 kmph\approx 60 m/s$

Maximum acceleration=0.05g

Now centripetal acceleration is

$a_c=\frac{v^2}{r}$

$0.05\times 9.8=\frac{60^2}{r}$

r=7346.93 m

(b)Radius of curvature=900 m

therefore $a_c=\frac{v^2}{r}$

$v=\sqrt{a_cr}$

$v=\sqrt{0.05\times 9.8\times 900}$

$v=\sqrt{441}=21 m/s$

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4 years ago

On the surface of Earth, the force of gravity acting on one kilogram is: *

Murrr4er [49]

Your answer would be:

Option (B) : 2.2 Pounds

Anyways stan LOONA

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3 years ago