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3 years ago

The _______ is the time required for one complete wave oscillation to occur.

Physics

2 answers:

valentinak56 [21]3 years ago

7 0

The period is the time required.....

aleksandrvk [35]3 years ago

6 0

Period is the answer

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I will mark you brainlist please help

denis-greek [22]

Answer:15th

Explanation:

I believe it will fall on the 15th stair because 10 times 15 is 150 divided by 10 m/s equals 15

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3 years ago

How much heat energy is required to raise the temperature of 20 kilograms of water from 0°c to 35°c?

saveliy_v [14]

Energy required = Specific Heat × mass × change in temp.
Specific Heat (Cp) water = 4.186kJ/kgC 
Mass = 20kg 
Change in temperature = 35C - 0C = 35C 

Q = 4.186kJ/kgC × 20kg × 35C = 293.02kJ hope this helps! (:

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3 years ago

Read 2 more answers

What is the wavelength of an X-ray photon with energy 8.0 keV (8000 eV)? (1 eV = 1.60 × 10−19 joule.)

katrin2010 [14]

Answer:

Wavelength = 0.15 nm

Frequency = $1939.3939\times 10^{15}Hz$

Explanation:

We have given photon energy E = 8 KeV = 8000 eV

In question it is given that $1eV=1.6\times 10^{-19}J$

So $8000eV=1.6\times 8000\times 10^{-19}=12800\times 10^{-19}j$

Plank's constant $h=6.6\times 10^{-34}js$

We know that photon energy is given by $E=h\nu$

So $12800\times 10^{-19}=6.6\times 10^{-34}\nu$

$\nu =1939.3939\times 10^{15}Hz$

Now wavelength $\lambda =\frac{c}{f}=\frac{3\times 10^8}{1939.3939\times 10^{15}}=0.0015\times 10^{-7}m=0.15nm$

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4 years ago

Which of the following examples shows the greatest amount of biodiversity

Anna [14]

Answer:

A lake full of a larger variety of fish, frogs, and birds

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3 years ago

A makeshift sign hangs by a wire that is extended over an ideal pulley and is wrapped around a large potted plant on the

ella [17]

Answer:I know the answer for B cus I’m doing the same problem. For B, you would only take the coefficient of friction given and then multiply it by the Normal Force, which in this case is the same as the Gravitational Force.

Explanation:

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3 years ago