The least penetrating form of radiation is
X rays
gamma radiation
ОООО
alpha radiation
beta radiation

Answers

Answer 1

Answer:

radio radiation........

Answer 2

Answer

C.( Alpha particles!


Related Questions

What is the velocity of a wave that has a frequency of 200 Hz and a
wavelength of 0.5m?

Answers

Answer:

No idea now

Explanation:

wil get back to you in few minutes

A 24 kg object, initially moving at 20 m/s, is slowed by an applied force of 20 N to a final velocity of 16 m/s. How much time did this take?

Answers

Answer:

Explanation:

Turtle ba lls

Answer:

4.8 seconds

Explanation:

Ft=change in momentum

Initial momentum=mv=24*20=480 kg*m/s

new momentum=mv=24*16=384 kg*m/s

change in momentum=96 kg*m/s

Ft=change in momentum

20(t)=96

t=4.8 seconds!

A snowflake falls from a cloud that is 500 m above the ground. It hits the ground after

being pulled down due to the acceleration of gravity (-10 m/s2). How fast will it be

going as it hits the ground?

Answers

Answer:

i wabnt the points lol

Explanation:

In terms of activation energy, why does increasing the temperature of a reaction make it proceed more quickly? A. Increasing the temperature increases how many reactant molecules reach activation energy. B. Increasing the temperature reduces the activation energy C. Increasing the temperature increases the potential energy of the reactants D. Increasing the temperature makes the molecules move slower.​

Answers

Answer:

A. Increasing the temperature increases how many reactant molecules reach activation energy.

Explanation:

The correct statement is " Increasing the temperature increases how many reactant molecules reach activation energy"

What is activation energy?

"Activation energy is the minimum amount of energy that must be provided to molecules /atoms of the compounds/ elements to result in a chemical reaction."

When temperature increases the kinetic energy of the molecules increases hence more reactant molecules reach the activation energy.

So it can be concluded that by Increasing the temperature increases how many reactant molecules reach activation energy.

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Explain the melting of a solid in terms of molecules and energy​

Answers

When you melt a solid the heat creates energy, when you heat up molecules they will move quicker and start to somewhat break apart into a liquid structure.

Heat generates energy when you melt a solid; as you heat up molecules, they move faster and begin to break apart into a liquid form.

What is the melting point?

The melting point is the point at which a substance transforms from a solid to a liquid.

The melting point of a liquid is the temperature at which it transforms from a solid to a liquid at atmospheric pressure. This is the point where the liquid and solid phases are in balance.

Heat generates energy when you melt a solid; as you heat up molecules, they move faster and begin to break apart into a liquid form.

The kinetic energy of the molecule is due to the movement of the molecule as the temperature of the system increases the melting point comes closer.

As the temperature increases the kinetic energy of the molecule increases.

Hence the energy, melting point, and temperature relatively affect each other.

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Science Question: why do astronauts wear organge suits vs white suits

Follow answer please...

Answers

When they first launch though, astronauts wear orange instead, since the bright color makes it easier for them to be spotted and rescued in an emergency.
yes what they said :3

Train A leaves the station heading north at 80 mph. At the same time and from the same station, Train B heads south 65 mph. How far apart are the trains after 3 hours fo travel?

Answers

Answer:

The trains will be 435 miles apart

Explanation:

Distance covered by the two trains can be obtained by multiplying their speeds with the time frame under consideration - in this our case, it is  3hours.

For Train A

Distance covered = 80mph X 3 hours = 240miles

For train B

Distance covered = 65mph X 3 hours = 195 miles.

The total distance between the two trains after 3 hours will be

240 + 195 = 435 miles

Explain which components could be used to switch a heater and a light on in a hospital incubator

Answers

a switch    

ssdgfsddgsgbsssdgfsddgsgbsssdgfsddgsgbs

Why is the Greenland ice sheet so important to understanding earths past climate?

Answers

Answer:

The ice sheet as a record of past climates

Scientists have, using those ice cores, obtained information on (proxies for) temperature, ocean volume, precipitation, chemistry and gas composition of the lower atmosphere, volcanic eruptions, solar variability, sea-surface productivity, desert extent and forest fires.

Answer:

The Greenland ice sheet is the last remaining ice sheet from the most recent ice age. Therefore, it can tell scientists about the climate conditions of that period.

Explanation:

How can you defined work done in term of kinetic energy, potential energy, and the force?

Answers

The principle of work and kinetic energy (also known as the work-energy theorem) states that the work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle. ... This relationship is generalized in the work-energy theorem.

how much hp does that fastest car in the world have

Answers

Answer:

Hennessey Venom F5. Power: 1600+ bhp. Price: $1.6 million.

Koenigsegg Regera. Power: 1500 bhp.

Bugatti Chiron. Power: 1479 bhp.

NIO EP9. Power: 1341 bhp. Price: $1.48 million.

What is the equation used to find the image distance? Identify each variable

Answers

Answer:i f I understand your question correctly, the formula is as follows:

Note: The sign convention is based on distances which are measured from the lens to the object or image of regard. Distances measured in the same direction the light is moving are positive and distances measured in the opposite direction the light is moving are negative.

The measurements are in meters

The “ambient” index of refraction is assumed to be n=1.00

The inverse of the object distance plus the dioptric power of the lens (convex—positive and concave—negative) equals the inverse of the image distance.

Or 1/Od +Dl =1/Id

Please note, it has been a long time since I thought about teaching this concept to students.

Hope this helps have a awesome day/night❤️✨

Explanation:

name one material through which continuous flow of charge can be produced from heat energy​

Answers

Answer:

A continuous flow of negative charges (electrons) creates an electric current. The pathway taken by a electric current is a circuit.

Explanation:

Answer:

Copper, and aluminum

Explanation:

True or false
A nucleotide is make of a sugar, a phosphate, and a base.

Answers

True, A nucleotide is made of a sugar, a phosphate, and a base

Answer:

True

Explanation:

Why would geothermal energy NOT be a possible energy source for many regions of the country?

A. Geothermal energy depends upon a nonrenewable resource.
B. Geothermal energy is only found in Arctic regions.
C. Geothermal energy is not always found in an area that is easily accessible.
D. Geothermal energy can only be used to grow tropical fruits.

Answers

Geothermal energy is not always found in an area that is easily accessible. (C)

Geothermal energy is not a possible energy source for many regions of the country. Because geothermal energy is not always found in an area that is easily accessible. Option C is correct.

What is geothermal energy?

Geothermal energy is the thermal energy in the Earth's crust that comes from the planet's creation and the radioactive decay of components in nearly equal amounts.

The disadvantage of using the geothermal energy is;

A. It is available only in limited areas.

B. It can cause air and groundwater pollution.

C. It is difficult to transport from place to place.

Geothermal energy is not a possible energy source for many regions of the country . Because geothermal energy is not always found in an area that is easily accessible.

Hence, option C is correct.

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One day, Pinki was ironing the clothes in her room. After half an hour of ironing, the light went off and Pinki went outside to the lobby of her house to check it there was any problem in the household circuit. At the same time, she listened the voice of her 4 years old daughter from the same room where she was ironing the clothes. Her daughter was about to touch the hot electric iron but at the same moment, Pinki entered in the room and pushed her daughter back from that place.

(a) On which effect of electric current, does the electric iron works?

(b)State the effect of electric current described here.

(c) Mention the values showed by Pinki here.
PLEASE ANSWER ASAP

Answers

Answer:

(a) An electric iron works on the heating effect of electric current

(b) The heating effect of an electric current is the tendency for electric current to cause the temperature of the material through which it is flowing to rise due to the resistance of the material

The heating effect, 'E', is given by the formula, E = I²·R·t

Where;

I = The current flowing

R = The resistance of the material

t = The time the material takes to heat up

(c) The values showed by Pinki here is the value of care, concern and prevention, to prevent the harmful effect of the high heat on the skin of her daughter

Explanation:

what physical properties does krypton have

Answers

Answer:

Image result for what physical properties does krypton have

Krypton is a colorless, odorless gas. It has a boiling point of -152.9°C (-243.2°F) and a density of 3.64 grams per liter. That makes krypton about 2.8 times as dense as air.

Explanation:

The results from Rutherford's alpha particle scattering experiment led to
the nuclear model. Alpha particles were fired at a thin film of gold at a
speed of 7% of the speed of light. Determine the speed of the alpha
particles. Speed of light = 300,000,000 m/s

Answers

Answer:

Explanation:

Can you help me in mathematics

A van of mass 2500kg travelling at a velocity of 12 m/s collides with a stationary car of mass 700kg. The vehicles move together after the impact. Calculate their velocity.​

Answers

Answer: 9.375m/s

Explanation: This is an inelastic collision, so the formula is mv1+mv2=(m1+m2)v-final. My work is a follows:

2500kg(12m/s) + 700kg(0m/s)=(2500kg+700kg)(v-final)

30,000kg(m/s)+0=3200kg(v-final)

30,000kg(m/s)/3200kg=9.375m/s

Find the gravitational force between Venus (4.87 x 1024 kg) and
the sun (1.989 x 100 kg). Venus orbits at a distance of
1.082 x 10" m.

Answers

I agree 1.083 ....?jejebe you are

The gravitational force between Venus and the Sun, seperated at the distance of 1.082×10¹¹ m is 5.520×10²² N.

What is gravitational force?

Gravitational force is the attractive force between two bodies. It is applicable to all the bodies have masses and it is called as Universal law of gravitation.

Grarvitational force is the attractive force is directly proportional to the product of two masses and is inversely proportional to the square of distance between them.

F ∝ m₁ × m₂ / d², m₁ and m₂ is the mass of two bodies and is the distance between two bodies. The SI unit of mass is kg and SI unit of distance is m. The SI unit of force is newton.

From the gravitational force,

F = G (m₁×m₂ / d²)

G represents gravitational constant and is equal to 6.67× 10⁻¹¹ N.m²/kg².

From the given,

m₁ ( mass of venus ) = 4.87 x 10²⁴kg

m₂ ( mass of sun) = 1.989 x 10³⁰ kg

d² ( distance between sun and venus) = 1.082 x 10¹¹ m.

G = 6.67 ×10⁻¹¹ N.m² / kg²

F = G (m₁×m₂ / d²)

  = 6.67 ×10⁻¹¹ × 4.87 x 10²⁴× 1.989 x 10³⁰ / (1.082 x 10¹¹)²

 = 5.520 × 10²² N

The gravitational force between the venus and sun at the distance of  1.082 x 10¹¹ is 5.520× 10²² N.

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Question 1
Ricardo came up with three different designs for paper airplanes. He would like to find out which design flies the farthest. Ricardo plans to fly each paper airplane five times. What step should Ricardo take after he flies each plane?

Answers

Answer:

B. measure the distance that the plane flew and record it

Explanation:

A rubber ball moving at a speed of 5 m/s hit a flat wall and returned to the thrower at 5 m/s. Which statement
correctly describes the momentum of the rubber ball?
a. Its magnitude increased and its direction changed.
b. Its magnitude increased but its direction remained the same.
c. Its magnitude remained the same but its direction changed.
d. Its magnitude and its direction both remained the same.

Answers

Answer:

d. Its magnitude and its direction both remained the same.

Explanation:

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

[tex] Momentum = mass * velocity [/tex]

The law of conservation of momentum states that the total linear momentum of any closed system would always remain constant with respect to time.

This ultimately implies that, the law of conservation of momentum states that if objects exert forces only on each other, their total momentum is conserved.

In this scenario, a rubber ball moving at a speed of 5 m/s hit a flat wall and returned to the thrower at 5 m/s. Thus, the statement which correctly describes the momentum of the rubber ball is that its magnitude and its direction both remained the same because its velocity didn't change while returning to the thrower.

The correct statement should be "Its magnitude remained the same but its direction changed". Option C is correct.

Given information:

A rubber ball moving at a speed of 5 m/s hit a flat wall and returned to the thrower at 5 m/s.

Now, the mass of the ball doesn't change and the magnitude of the velocity is also the same.

Momentum can be defined as the product of mass and velocity. It is a vector quantity because velocity is also a vector quantity, and it has magnitude and direction.

Now, the magnitude of momentum will be the same because mass and velocity don't change in magnitude.

The direction of velocity will be reversed. So, the direction of momentum will also be reversed.

Therefore, the correct statement should be "Its magnitude remained the same but its direction changed". Option C is correct.

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How much work is done when a porcelain vase with mass of 2.5 kg is lifted up 3 m to a shelf? (HINT- Weight can be used as Force when the motion is up/down).

Answers

Work = force x distance
F= 2.5
D= 3
Work = 2.5 x 3 =7.5
Work = 7.5 J
J=Jules (Jules is the unit uses to calculate work)

Light my fire! Mix me with cerium and we’ll make beautiful mischmetal together!

Answers

-uhhhhhhhhhhhhhhhhhhhh

2 t of ferrous scrap at a temperature of 20 degrees is heated to the melting point and melted. How much to consume?

Answers

Answer

Calculate the amount of heat needed to melt 2.00 kg of iron at its melting point (1809 K), given that: ?Hfus = 13.80

Another example of an object that has pressure energy

Answers

Answer:

A balloon?

Explanation:

it inflates because of the air pressure inside

PLEASE HELP AM I CORRECT??!!

Answers

i think so yes, it makes sense

For an object falling at the terminal velocity, list all the forces (magnitude and direction) acting it?

Answers

Answer:

Three stages of falling

There are three stages as an object falls through a fluid:

at the start, the object accelerates downwards due to the force of gravity

as the object's speed increases, frictional forces such as air resistance or drag increase

at terminal velocity, the weight of the object due to gravity is balanced by the frictional forces, and the resultant force is zero

Explanation:

We use the system to determine noise level

Newtonian

Cartesian

Decibel

Fujita Scale

Answers

Answer:

Decibel is used to determine noise level.

In what do electromagnetic waves cause disturbances when they transfer
energy?
A. Electric fields only
O B. Both electric and magnetic fields
C. Neither electric nor magnetic fields
O D. Magnetic fields only

Answers

Both electric and magnetic fields
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