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4 years ago

The negatively charged particle that is released from the nucleus at high speeds is the

Physics

2 answers:

zvonat [6]4 years ago

8 0

Answer: beta particles

Explanation:

i got it right in my physics exam, hope this helps

weqwewe [10]4 years ago

7 0

I believe it’s Beta Particles, hope I helped ‍♀️

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Comparing X-ray to radio wave, which has a shorter wavelength?

Daniel [21]

Answer:

x-ray

Explanation:

X-rays can penetrate through matter because of their high frequencies while radio waves are not able to do so as much. If you think about it, taking an x-ray requires a lot more energy than for radio waves to allow you to listen to songs on the radio. Hope this helps :)

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3 years ago

Name an acid which is highly corrosive and should never be tested by mouth.

Vitek1552 [10]

Answer:

We all know that HCI is highly corrosive mineral acid. It's produced naturally in our (Human being) Stomach

It (HCI) is produced by the gastric glands in stomach. HCI activates the enzyme Pepsin and creates an acidic medium which kills the bacteria which might have entered while digestion & also making it simpler for further digestion.

HCI does not harm our stomach because the gastric gland also produces Mucus which helps in preventing the damage of inner wall (layer) of stomach from the action of this Acid.

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3 years ago

Read 2 more answers

an 80.0 kg astronaut carrying a 15.0 kg tool kit is drifting away from the space station at a speed of 1.25 m/s. a) if she throw

jasenka [17]

The final speed of the astronaut at the space station is 0.36 m/s and the direction will be opposite to the direction of the tool kit thrown.

The mass of the astronaut = 80 kg

The mass of the tool kit = 15 kg

The speed of the space station = 1.25 m/s

The speed of the tool kit threw = 6 m/s

The final speed of the astronaut can be found using the conservation of momentum formula,

$\displaystyle m_{1}v_{f1} + m_{2}v_{f2} = m_{1}v_{i1} + m_{2}v_{i2}$

where m₁ is the mass of the astronaut

m₂ is the mass of the tool kit

$\displaystyle v_{i1}$ and $\displaystyle v_{i2}$ is the speed of the space station

$\displaystyle v_{f1}$ is the speed of the astronaut after throwing the toolkit

Let us substitute the known values in the above equation, we get

(80 x $\displaystyle v_{f1}$ ) + (15 x 6) = (80 x 1.25) + (15 x 1.25)

(80 x $\displaystyle v_{f1}$ ) + 90 = 100 + 18.75

80 x $\displaystyle v_{f1}$ = 118.75 - 90

80 x $\displaystyle v_{f1}$ = 28.75

$\displaystyle v_{f1}$ = 28.75 / 80

= 0.36 m/s

Therefore, the final speed of the astronaut is 0.36 m/s

By newton's third law, for every action, there will be an equal and opposite reaction. Thus, the direction of the astronaut's direction will be against the direction of the tool kit thrown.

Learn more about the conservation of momentum in

brainly.com/question/2456421

#SPJ4

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1 year ago

A 2.5 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shine in the figure below

expeople1 [14]

It’s definitely b Yk Why um I don’t really know butttt gut instinct

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4 years ago

Why is Newton's law of gravitation called universal law?

NeX [460]

Answer:

Newtons law of gravitation is called the universal law of gravitation because it is applicable for all masses at all distances, independent of the medium.

Explanation:

$\sf{}$

For two masses m1 and m2 placed at a distance d, the gravitational force between them will always be given by: Fg=Gd2m1m2. That's why it is a "universal" law.

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3 years ago