The ____________ is a phenomenon that occurs when electrons are ejected from a piece of metal after light has been shined onto the metal surface.

Answer:

Continuous reinforcement delivers the reinforcement every single time the target behavior is delivered. (For example, if the target behavior for the dog is sitting when the owner says "sit", the treat (reinforcement) would be given whenever the dog follows the command). It follows a schedule-like reinforcement.

Intermittent reinforcement delivers the reinforcement to responses but are not consistent.

Answer: heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.

Explanation:

Answer:

heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.

Explanation:

It is to be noted that the electric field that has been induced is (-B₁ A/2[tex]\pi[/tex]R)θ. This is obtained by using the vector units in the Cylindrical Coordinate System.

Cylindrical Coordinates are simply defined as a component of a coordinate system that is used to locate a location in space using its polar coordinates and vertical distance from the polar plane.

The formula for Induced Electric Field is given as:

∫ E · dl = ∈

If we replace ∈ with -B₁A and 2[tex]\pi[/tex]R for dl then

∫ E · dl = -B₁A. Thus, we can state that

E∫ dl  = -B₁A

Replacing or substituting 2[tex]\pi[/tex]R for ∫ dl ·E(2πR)  = - B₁A

We can thus rearrange the equation to read:

E · E = ([tex]\frac{-B1A}{2\pi R}[/tex])θ

It is to be noted that the circumference of a circle is the integral of the length of the element. While θ, which in this case is the unit vector refers to the Cylindrical Coordinate and the direction of the electric field.

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Answer:

4.3s

Explanation:

a=v-u/t

t=v-u/a

t=26-20/1.4=4.28

=4.3

Answer:

155.6 hrs

Explanation:

5   =   100 (1/2)^n      n = 4.32 half lives

4.32 * 36 = 155.6 hrs

The required, 155.58 hours will have elapsed when 5.00 grams of the isotope remains.

The half-life of the element is defined as the time span in which the element grows or decays half of its whole composition of growth and decay.

Here,
The decay of a radioactive substance can be modeled by the following equation,

[tex]N(t) = N_o (1/2)^{t/T}[/tex]

where N₀ is the initial quantity of the substance, N(t) is the quantity remaining after time t has elapsed, and T is the half-life of the substance.

In this problem, we are given,

N₀ = 100.0 g

N(t) = 5.00 g

T = 36.0 hours

We want to find the time t that has elapsed. Rearranging the equation above, we can solve for t,

t = T (log N₀ - log N(t)) / log 2

Substituting the given values, we get,

t = 36.0 hours x (log 100.0  - log 5.00 ) / log 2

t = 36.0 hours x 4.643 / 0.693

t = 155.58 hours

Therefore, approximately 155.58 hours will have elapsed when 5.00 grams of the isotope remains.

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Answer:

1.62

Explanation:

F = kx

8.5 = 5.25 * x

8.5/5.25 = 1.62

Given :

[tex] \\ [/tex]

To find :

[tex] \\ [/tex]

We know :

[tex] \boxed{ \rm Force=Mass\times Acceleration}[/tex]

By using this formula we can find acceleration.

[tex] \dashrightarrow \sf Force=Mass\times Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf900=9\times Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf900 \times \dfrac{1}{9} =Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf \cancel9 \times 100 \times \dfrac{1}{ \cancel9} =Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf \dfrac{100}{1} =Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf Acceleration = \dfrac{100}{1} \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \bf Acceleration = 100\: ms^{-2}[/tex]

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Related Concept :

Define Acceleration:

Main formula :-

a = (Vf - Vi)/t

where :-

Define Force :

Main formula:

f = m × a

where :-

Define Mass :

Main formula:

m = v × d

where:-

Answer:

yes

Explanation:

but no i dont know anyways what is the question

Answer:

The question of analog vs. digital audio is one of the more hotly debated questions in the world of music, film, and media today. Does digital sound better? Does analog sound better? Is there even a noticeable difference?

It’s impossible to understand the difference completely without understanding what distinguishes analog audio from digital audio. A full discussion of these terms is best left to your curriculum and discussions with your mentor in the studio. For now, though, here’s a brief explanation of what these two words mean, and the differences between them.

Explanation:

39 m

Explanation:

W = FS

S = W/F

S = 780 J / 20 N

S = 39 Meters

Answer:

[tex]39m[/tex]

Explanation:

[tex]w = f \times s[/tex]

[tex]780 = 20 \times s[/tex]

[tex]s = 780 \div 20[/tex]

[tex]s = 39m[/tex]

Answer:

51.92 m

Explanation:

Given

Formula

Solving for R

The greatest variation in size, mass, and luminosity occurs in elliptical galaxies.

This is defined as the difference from the norm which is exhibited by objects.

In the solar system, variation in features such as size, mass, and luminosity occurs mostly in elliptical galaxies due to presence of array of stars thereby making it the most appropriate choice.

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The reason the efficiency is always less than 100% is because there is always some sort of friction in the machine.

Answer: because of friction

Answer:

I think its D.

Explanation:

I think this because sound waves move up and down im pretty sure but i might have that mixed with radio waves

Answer:

Ferns

Explanation:

Answer:

B

Explanation:

Answer:

[tex]R= 960 \: Ohm[/tex]

Explanation:

P = 60 W

V = 240 V

[tex]P= VI[/tex]

[tex]\implies I= \frac{P}{V}[/tex]

[tex]\implies I= \frac{60}{240}[/tex]

[tex]\implies I= 0.25 A[/tex]

Now, by Ohms law

[tex]R= \frac{V}{I}[/tex]

[tex]\implies R= \frac{240}{0.25}[/tex]

[tex]\implies R= 960 \: Ohm[/tex]

Answer:

960 Ω

Explanation:

Answer:

Exactly 0.03042 carbon-14 is remaining.

Roughly 0.03 Carbon-14 is remaining. (When/If Multiple Choice)

Explanation:

Not a physics question, this is chemistry, but I'll answer.

First, divide 17,000/5700 to find the t, or time.

t = 2.98245614 or 2.98.

If it originally contained .24 grams, and a half life means x/2,

you would use the formula x/2^p, with p being the number of half lives

(these variables are made up, you can use any you would like)

In 17,000 years, the palm fossil experienced 2.98 half lives.

Thus meaning, using our equation, we would find (.24)/2^2.98

This equals 0.030418784 carbon-14 remaining to be exact.

(For Multiple Choice, it may be required to round to For Multiple Choice, it may be required to round to 3, so .24/2/2/2 or .24/2=.12 then .06 then it equals :  .03 Carbon-14)

Carbon -14 is used to date a palm fossil that originally contained 0.24 grams of carbon -14. The half life is 5700 years. If the fossil is found to be 17,100 years old then 0.0303 g of carbon -14 does it contain now.

The process by which an unstable atomic nucleus loses energy through radiation is known as radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration). A radioactive substance is one that contains unstable nuclei. Alpha decay, beta decay (-decay), and gamma decay (-decay) are three of the most prevalent forms of decay, all of which entail the emission of one or more particles. The mechanism responsible for beta decay is the weak force, while the other two are regulated by electromagnetism and nuclear force. Electron capture is a fourth form of common decay in which an unstable nucleus grabs an inner electron from one of the electron shells.

According to decay formula,

N(t) = N₀ e^(-λt)

Given,

N₀ = 0.24g

t = 17100 years

λ = 0.693/T

Where T is half life.

λ = 0.693/5700 = 1.21 × 10⁻⁴

Putting all the values in the equation,

N(t) = 0.24g e^(-1.21 × 10⁻⁴ ×17,100)

N(t) = 0.0303 g

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The god that Achilles fought in the Illiad was the god Hector and he ended up killing him.

He was a warrior that fought in the Trojan war. After the death of Patroclus. Achilles had to fighty the Trojan Army singlehandedly.

It was the war that saw the end of Hector and also he joined the war for the avenging of the death of Petroclus.

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Answer:

No

Explanation:

Crystizaltion of magma turns into indeginous rocks which then turns into sediment after weathering and erosion.

Answer:

the turtle was finished faster but the rabbit was faster

Explanation:

Answer:

9 v

Explanation:

v = i r

v = .257 * 35 = ~ 9 v

Each of the semicircular canals is especially positioned to detect angular acceleration in one of the three planes.

Angular acceleration is defined as the pace of change of angular velocity concerning time.

Each of the semicircular canals is especially positioned to detect angular acceleration in one of the three planes.

The semicircular canals are biomechanical sensors that detect and encode angular motion of the head in three dimensions.

Hence semicircular canals are the correct answer for the blank.

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Answer:

I found out that you could separate the sand because the filterstion and all the materials uses their elements to filter it out

Findings say that one could separate the sand using the filtration and all the materials uses their elements to filter it out.

Filtration is the technique of segregating the components from a mixture.

In the given experiment, the filter is used to separate a mixture of sand and water.

This experiment can be successfully completed through the filtration process.

Thus, one could separate the sand using the filtration and all the materials uses their elements to filter it out.

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Answer:

m - mass of each liquids (all masses are equal )

C_1C 1 - specific heat of the first third C_2C 2 - specific heat of the second  liquid

C_3C 3- specific heat of the third liquid

Temperature of liquids: T_1=7 ◦C,T_2=20◦C, T_3=34◦CT

1 =7◦C,T 2 =20◦C,T 3=34◦C

Temperature of 1+2 liquids mix: T_{12}=11^oCT

12 =11 oC

Temperature of 2+3 liquids mix: T_{23}=22.6^oCT

23=22.6 oC

Temperature of 1+3 liquids mix: T_{13} - ?T 13 −?

When the first two are mixed:

m C₁ (T₁ − T_{12}) + m C₂ (T₂ − T_{12}) = 0 \\ C₁ (7− 11) + C₂ (20 − 11) = 0\\ 4C_1=9C_2\\ C_1=2.25C_2mC₁(T₁−T 12)+mC₂(T₂−T 12 )=0C₁(7−11)+C₂(20−11)=04C \1=9C 2C 1 =2.25C 2

​When the second and therd are mixed:

m C_2 (T_2 − T_{23}) + m C_3 (T_3 − T_{23}) = 0 \\ C_2 (20−22.6) + C₂ (34 −22.6) = 0\\ 2.6C_2=11.4C_3\\ C_2=4.38C_3mC 2 (T 2 −T 23 )+mC 3 (T 3 −T 23 )=0C 2(20−22.6)+C₂(34−22.6)=02.6C 2 =11.4C 3C2 =4.38C 3

​When the first and therd are mixed:

m C_1 (T_1 − T_{13}) + m C_3 (T_3 − T_{13}) = 0 \\ C_1 (7−T_{13}) + C_3 (34 −T_{13}) = 0\\ C_1=2.25C_2=2.25(4.38C_3)=9.86C_3\\ 9.86C_3 (7−T_{13})=-C_3(34 −T_{13})\\ 9.86 (7−T_{13})=-(34 −T_{13})\\ T_{13}=9.5^oCmC 1(T1 −T13)+mC 3(T3−T13 )=0C1 (7−T13 )+C 3(34−T 13 )=0C1 =2.25C2=2.25(4.38C3 )=9.86C39.86C3 (7−T13 )=−C3(34−T13 )9.86(7−T13)=−(34−T13 )T13 =9.5 oCT_{13}=9.5^oCT 13 =9.5 o C:

Answer:

other things remain constant 

Explanation:

Answer:

B) Other things remain constant.

Explanation:

For edmentum users.

The distance traveled by the box before stopping, when the student slides the box across the floor  to his friend, at the given coefficient of kinetic friction is 4.8 m.

The acceleration of the box across the floor is determined by applying Newton's second law of motion.

∑F = ma

-Ff = ma

-μmg = ma

-μg = a

-(0.52 x 9.8) = a

- 5.1 m/s² = a

The distance traveled by the box before it stops is calculated  as follows;

v² = u² + 2as

where;

0 = (7)² + 2(-5.1)s

0 = 49 - 10.2s

10.2s = 49

s = 49/10.2

s = 4.8 m

Thus, the distance traveled by the box before it stops is 4.8 m.

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Answer:

electric circuit............

which grade