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3 years ago

What is the momentum of a 3 kg bowling ball moving at 3 m/s?

Physics

1 answer:

Nataly [62]3 years ago

5 0

Explanation:

p denotes momentum
m denotes mass
v denotes velocity

→ p = 3 kg × 3 m/s

→ p = 9 kg.m/s

Option D is correct.

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Research and write a short description (3-4 paragraphs) of one of the following parts of the electromagnetic spectrum. Your desc

andrezito [222]

Answer:

Here you go!

Explanation:

Gamma rays have the highest energy radiation and have the smallest wavelength in the electromagnetic spectrum. They are formed by the hottest and most energetic objects in the world, with nuclear explosions, lightning and far less radioactive decay activity producing gamma rays. It can be both useful and dangerous, gamma rays are used in medicine to treat cancer with radiation when exposed to them, radiology, sterilization and much more.

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2 years ago

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KATRIN_1 [288]

The hippocampus !!!!

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3 years ago

Please just give me an answer, thanks.

Colt1911 [192]

$\\ \rm\dashrightarrow P=VI\implies V=\dfrac{P}{I}$

$\\ \rm\dashrightarrow V=\dfrac{0.4\times 10^3}{33\times 10^{-3}}$

$\\ \rm\dashrightarrow V=0.012\times 10^{-6}$

$\\ \rm\dashrightarrow V=12mV$

$\\ \rm\dashrightarrow R=\rho \dfrac{\ell}{A}$

$\\ \rm\dashrightarrow \rho =\dfrac{RA}{\ell}$

$\\ \rm\dashrightarrow \rho=\dfrac{86.3(0.4\times 10^6)}{69}$

$\\ \rm\dashrightarrow \rho=0.5\times 10^{6}$

It should be silicon

Ohms law

$\\ \rm\dashrightarrow R=\dfrac{V}{I}$

$\\ \rm\dashrightarrow R=\dfrac{7(10^3)}{6(10^{-6})}$

$\\ \rm\dashrightarrow R=1.167\times 10^9\Omega$

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2 years ago

Which best describes cosmic microwave background radiation? radiation thought to exist but not yet measured radiation predicted

grigory [225]

Answer: leftover radiation from the big bang

Microwave background radiation is a form of electromagnetic radiation that is present in the whole universe and completely fills it.

Its frequency belongs to the microwaves range and is one of the main demonstrations of the of the Big Bang theory model.

It is important to note the Big Bang occurred 400,000 years before the events related to the microwave cosmic radiation, this means the Big Bang occurred first.

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3 years ago

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umka21 [38]

D- All wave lengths refract at the same angle

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2 years ago