2 years ago

_______ are nonmetals that react with metals to form salts.

Physics

1 answer:

kari74 [83]2 years ago

5 0

i’m pretty sure it’s , the alkali metals

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ivolga24 [154]

Answer:

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Write an expression for a transverse harmonic wave that has a wavelength of 2.5 m and propagates to the right with a speed of 13

lyudmila [28]

Answer:

$y = 0.14 Cos\left ( 2.512x-34.66t \right )$

Explanation:

wavelength, λ = 2.5 m

speed, v = 13.8 m/s

Amplitude, A = 0.14 m

The general equation of the transverse harmonic wave which is travelling right is given by

$y = A Sin\left ( \frac{2\pi }{\lambda } (x - vt)+\phi \right )$

where, Ф is phase

At t = 0, x = 0 , y = 0.14 m

0.14 = 0.14 Sin Ф

Ф = π/2

So, the equation is

$y = 0.14Sin\left ( \frac{2\pi }{2.5 } (x - 13.8t)+\frac{\pi }{2} \right )$

$y = 0.14 Cos\left ( 2.512x-34.66t \right )$

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2 years ago

The doppler effect is sensitive only to motion along the line of sight. <br> a. True <br> b. False

4vir4ik [10]

Its vey True trust me on this when I say it is

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2 years ago

What type of radioactive decay is shown in this equation?

svp [43]

There is no <span>radioactive decay</span>

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hammer [34]

Answer:

Element Is The Answer I think

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