PHYSICS HIGH SCHOOL

An alpha particle is identical to a(n) _____.electron
electromagnetic wave
helium nucleus
uranium nucleus

Answers

Answer 1
Answer: The correct answer is helium nucleus. An alpha particle has a two neutrons and protons that formed together into a particle which also happens to be very identical to the helium nucleus. However, the helium particles that are being produced by particle accelerator are less to be referred as an alpha particle.
Answer 2
Answer:

An alpha particle is identical to a(n) helium nucleus. An alpha particle is identical to a helium nucleus because both have two protons and two neutrons. Essentially, a helium atom stripped of its electrons becomes an alpha particle.

The correct option is C.

An alpha particle is a type of ionizing radiation consisting of two protons and two neutrons, essentially a helium nucleus without electrons. These particles have a relatively large mass and carry a positive charge, making them highly ionizing and potentially harmful if they interact with living tissue. Alpha particles are commonly emitted by certain radioactive materials, such as uranium and radon. Due to their limited penetration ability, alpha particles are primarily hazardous when ingested or inhaled, posing significant health risks, including an increased risk of cancer and tissue damage.

An alpha particle is identical to a helium nucleus. Alpha particles are a type of ionizing radiation that consist of two protons and two neutrons, which is also the composition of a helium nucleus without its electrons. In other words, when a helium atom loses its two electrons, it becomes an alpha particle. Thus, an alpha particle can be considered as a helium nucleus.

Hence  The correct option is C.

Learn more about Alpha Particle here:

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What actions did japan take in an attempt to recover from the great depression?

Answers

I remember learning in history that they used some of Okinawa's resources and land. They did indeed abandon their constitutional monarchy.

The method of heat transfer by which the sun warms the earth isA) conduction
B) convection
C) radiation
D) solaration

Answers

the heat transfer by the sun that warms the earth is called radiation. 

A pair of equal charges are separated by .75 m. There's a 2500 N force acting on them. What is the strength of the charge? Plz explain how you got the answer too.

Answers

The magnitude of each charge is 3.94 x 10^(-4) coulombs.

We have a pair of equal charges are separated by 0.75 m and there's a 2500 N force acting on them.

We have to strength of the charge.

What is the formula to calculate the force between two point charges separated by a some distance?

According to Coulomb's law, the formula to calculate the force between the two point charges (say q and Q) separated by a some distance (say r) is given by -

F = (1)/(4\pi \epsilon_(o) ) (qQ)/(r^(2) )

According to the question -

Force between two point charges equals to = F = 2500 N

Distance between the point charges = 0.75 m

Let's assume the magnitude of each charge be x, therefore using the coulomb's law, we get -

F  =  (1)/(4\pi \epsilon_(o) ) (qQ)/(r^(2) )

x^(2) = (2500 * 0.75* 0.75)/(9* 10^(9) )\nx^(2) = (2500* 75* 75)/(9* 10^(13) ) \nx^(2) = 1.56* 10^(-7)

x = 0.000394\nx = 3.94 * 10^(-4) coulombs

Hence, the magnitude of each charge is 3.94 x 10^(-4) coulombs.

To understand more about coulomb's law visit the link below -

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Answer:

4.5643546 × 10^ -4

Explanation:

Imagine that a car is traveling from your left to your right at a constant velocity. Which two actions could the driver take that may be represented as (a) a velocity vector and an acceleration vector both pointing to the right and then (b) changing so the velocity vector points to the right and the acceleration vector points to the left?

Answers

Answer:

(a). The speed of car will increases.

(b). The speed of car will decreases.

Explanation:

Given that,

A car is traveling from your left to your right at a constant velocity.

We need to find two actions could the driver take

Using given data

(a). If the velocity and acceleration of car to the right

It means the velocity and acceleration of car is in same direction then the speed of car will increases.

(b). If the velocity to the right and the acceleration to the left

It means the velocity and acceleration of car is in opposite direction then the speed of car will decreases.

Hence, (a). The speed of car will increases.

(b). The speed of car will decreases.

A small balloon containing baking soda has a mass of 4 grams. A student adds 10 ml. of vinegarto a 100 gram glass bottle. The student stretches the opening of the balloon over the mouth of
the bottle, mixing the baking soda and vinegar inside the bottle. Once the balloon is inflated, the
student finds the mass of the balloon, bottle, and their contents to be 116 grams. What was the
mass of the vinegar originally in the bottle
F.10g G.12g J.16g

Answers

Answer:

10 grams

Explanation:

I took a test with this question earlier.

If velocity decreases, mass increases or decreases?

Answers

If the velocity decreases, increases. This situation is based about the momentum of a body where it is equal to mass times velocity. Velocity is inversely proportional to mass. That is why mass increases if velocity decreases.
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