What is the direction of a current that experiences the magnetic force shown above

east
south
north
west

The statement 'diverse crops can become vulnerable to pests, disease, and climate change' is considered false regarding this last point (climate change).

Adaptation is an evolutionary process where a species fits certain environmental conditions.

Plant species are intrinsically vulnerable to climate change because they are adapted to certain climate (temperature) conditions.

In conclusion, the statement 'diverse crops can become vulnerable to pests, disease, and climate change' is considered false regarding this last point (climate change).

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Explanation:

Average speed=distance/time

=20/40

=0.5m/s

From the diagram The value of cos C × sin A = [tex]\frac{3}{4}[/tex]

First step : determine the values of cos C and sin A

cos C = adjacent / hypotenuse

          = a / b

          = [tex]\sqrt{3} / 2[/tex]

          = √3/2

sin A = sin 60⁰

         = √3/2

Therefore the numerical value of cos C * sin A = [tex]\frac{3}{4}[/tex]

In conclusion From the diagram The value of cos C × sin A = [tex]\frac{3}{4}[/tex]

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By applying the law of universal gravitation, the distance between the milky way and the andromeda galaxy is equal to 4.2 × 10¹¹ meters.

Given the following data:

Scientific data:

Gravitational constant = 6.67 × 10⁻¹¹ m/kg²

In order to determine the distance between the milky way and the andromeda galaxy, we would apply the law of universal gravitation.

According to the law of universal gravitation, the distance between two astronomical bodies can be calculated by using this formula:

[tex]d = \sqrt{\frac{GmM}{F} }[/tex]

Substituting the parameters into the formula, we have;

[tex]d = \sqrt{\frac{6.67 \times 10^{-11} \times 2.0 \times 10^{30} \times 4.0 \times 10^{11}}{2.4 \times 10^{30}} }[/tex]

Distance, d = 4.2 × 10¹¹ meters.

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In this circuit having  an operating heating element and lit lamp, the lamp is going to continue to be lit if the circuit is connected in parallel.

The term electric circuit has to do with the path that current can pass through. In a circuit, there are some  components that must be present in the circuit. The question is incomplete, the complete question is shown in the section marked 'missing parts'.

For the lamp in which there is also an operating heating element, the lamp will remain lit only when the circuit is connected in parallel because the potential difference across the components remain the same.

Missing parts:

An electric circuit contains an operating heating element and a lit lamp. Which statement best explains why the lamp remains lit when the heating element is removed from the circuit?

answer choices

The lamp has less resistance than the heating element.

The lamp has more resistance than the heating element

The lamp and heating element were connected in parallel.

The lamp and heating element were connected in series.

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Ten minutes after you stop exercising, your heart rate should be equal to your heart rate reserve

This is defined as the heart rate the body decreases to after an exercise session has been done.

This however varies according to age of individuals and is calculated by finding the difference between the maximum and resting heart rate.]

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The lists from greatest to lowest change in velocity.Dustin → Diego → Kira. Option A is correct.

The rate of change of velocity with respect to time is known as acceleration. According to Newton's second law, the eventual effect of all forces applied to a body is its acceleration.

The acceleration is obtained one by one from the given data as the ratio of the velocity to the time.

For the acceleration of each, you can refer to the excel table attached below.

The velocity changes are listed from largest to least. Dustin and Diego Kira.

Hence, option A is the right answer.

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Answer:

D. Kira → Diego → Dustin

Explanation:

Got 100% on the test. Y'all have a good day! :p

The velocity of the wind relative to the cyclist is determined as -15.3 km i - 3.5 km j.

The speed of the wind in x - direction and y - direction is calculated as follows;

v(w/c) = - 5 km(cos 45)i - 5km(sin45)j

v(w/c) = [- 3.5 i - 3.5 j ] km

velocity of wind with respect to cyclist = (-12 km i - 3.5 km i) - 3.5 km j

velocity of wind with respect to cyclist = -15.3 km i - 3.5 km j

Thus, the velocity of the wind relative to the cyclist is determined as -15.3 km i - 3.5 km j.

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The particles in the reaction system have more kinetic energy than the surroundings.

Exothermic reaction is a type of reaction in which energy is lost to the environment.

Internal energy (E) = kinetic energy (K.E) + potential energy (P.E)

Change in internal energy (ΔE) = K.E (particles) - K.E (surroundings)

Since energy is lost to the environment, we can conclude that the particles in the reaction system have more kinetic energy than the surroundings.

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The maximum kinetic energy of the ejected electrons will be 0.71 eV.

The kinetic energy (KE) of electrons is defined as the product of one-half of the mass of the electron to the square of the velocity at which electrons spin in orbit.

Given data;

λ(Wavelength)= 400 × 10⁻⁹ m

Φ(Work function)=2.4 eV

c(Speed of light)= 3 ×10⁸ m/sec

h(Constant) = 6.626 * 10^-34

[tex]\rm \phi = 2.4 eV = 2.4 \times 1.6 \times 10^{-19} \\\\ \rm \phi =3.84 \times 10^{-19} \ J[/tex]

The maximum kinetic energy is found as;

[tex]\rm KE= \frac{hc}{\lambda} - \phi \\\\ KE= \frac{6.64 \times 10^{-34}}{400 \times 10^{-9}} -3.84 \times 10^{-19} \\\\ KE=1.14\times 10^{-19} \ J[/tex]

Unit conversion:

1 eV = 1.6 * 10⁻¹⁹ j

1 J=1/( 1.6 * 10⁻¹⁹) ev

KE=0.71 eV

Hence, the maximum kinetic energy of the ejected electrons will be 0.71 eV.

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Individuals should participate in activities three to five days a week to improve cardiovascular fitness.

Cardiovascular fitness is a measure of how well ones body can take in oxygen and deliver it to muscles and organs during prolonged periods of exercise.

A person is considered cardiovascular fit if they can exercise for a long period of time without getting unduly tired.

Examples of cardiovascular exercises are;

However, individuals should participate in activities three to five days a week to improve cardiovascular fitness.

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Explanation:

20÷250 =12.5 and do it by using fourmulaes

I would select components of several different theories and the aspect which will be more attractive will be the one which has similarities and accurate.

This is defined as a proposed explanation for a particular phenomenon or occurrence.

Components of several different theories will bring different dimensions and factors to the occurrence which will help in its thorough analysis.

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Potassium will have the greatest atomic size because of its number of shells, followed by sodium which 1 valence electron compared to magnesium the same number of shells but 2 valence electrons.

The relative size of the atoms is determined from the number of shells and valence electron contained in the atom.

Sodium, 11 ----> 2, 8, 1

Magnesium, 12 ----> 2, 8, 2

Potassium, 19, -----> 2, 8, 8, 1,

Potassium will have the greatest atomic size because of its number of shells, followed by sodium which 1 valence electron compared to magnesium the same number of shells but 2 valence electrons.

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Answer:

Negative particles will be transferred to the sphere,

Assuming the sphere is not grounded the sphere will be negatively charged when the plastic rod is withdrawn,

(The sphere can be positively charged by grounding the sphere and bringing the rod close to the sphere and then remove the grounding to the sphere)

Care must be taken in noting if and when the sphere is grounded.

Answer:

0.1 mm

Explanation:

60 sheets = 6 mm

We want 1 sheet so we divide both sides by 60 :

1 sheet = 6/60 mm

1 sheet = 1/10 mm

1 sheet is 0.1 mm

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Answer:

0.7 amps

Explanation:

Assuming that resistance is in ohms units:

Current = Voltage / resistance

             = 70 / 100

             = 0.7 amps

Based on the calculations, the tension in the string connecting the yo-yo to the boy's finger is equal to: A. 35 Newton.

Given the following data:

Based on the information provided, we can logically deduce that the tension in the string connecting the yo-yo to the boy's finger is equal to the centripetal force acting on it.

Mathematically, centripetal force can be calculated by using this formula:

Fc = mv²/r

Fc = (0.5 × 7²)/0.7

Fc = 24.5/0.7

Fc = 35 Newton.

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The circuit change when a wire is added is, an open circuit occurs and makes all bulbs turn off.

A closed circuit is a type of circuit connection in which the wire connection is complete and current flow occurs, turning the light bulbs on in the process.

An open circuit is a type of circuit connection in which the wire connection is incomplete and current cannot flow, turning off the light bulbs.

Thus, the circuit change when the wire is added is, an open circuit occurs and makes all bulbs turn off.

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Answer:

The velocity after 2 seconds can be found through:

V = u +a*t

Where V is final velocity, u is initial velocity, a is acceleration and t is time.

V = 0 + 2* 2= 4 meters/second

The distance (s) can be found through:

V^2= u^2 +2*a* s

Where V is final velocity, u is initial velocity, a is acceleration.

4^2= 0^2 + 2 *2*s

16= 0 + 4s

s= 4 meters

Distance (s) can also be found through:

s= ut + 1/2 at^2

s= 0+ 1/2 *2*2^2= 1 *2*2

s= 4 meters

Explanation:

The object D is made up of material Lead. The correct option is D.

The specific heat is the amount of heat required to change the temperature by 1°C. It is denoted by C.

Two 1-kg objects, C and D, increase in temperature by the same amount, but the thermal energy transfer of object C is greater than the thermal energy transfer of object D. The object C has a specific heat of 235 J/kg-K.

Q = m C ΔT

Qc > Qd

The energy transfer is proportional to specific heat.

Specific heat of D must be less. The possible material with specific heat less than the given value is for Lead material.

Thus, the correct option is D.

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The maximum height reached by the toy at the given velocity and angle of projection is determined as 1.15 m.

The maximum height reached by the toy is calculated as follows;

H = u²sin²θ/2g

where;

H = (7.9² x (sin37)²)/(2 x 9.8)

H = 1.15 m

Thus, the maximum height reached by the toy at the given velocity and angle of projection is determined as 1.15 m.

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The student 4 measurement has the largest percent error. The discrepancy between the calculated value and the correct value is referred to as an "error" in statistics.

An error is a mistaken or erroneous action. In some contexts, an error is interchangeable with a mistake.

The complete question is

'Four students measured the acceleration of gravity. The accepted value for their location is 9.78m/s2. Which student’s measurement has the largest percent error?

A. Student 4: 9.61 m/s2

B. Student 3: 9.88 m/s2

C. Student 2: 9.79 m/s2

D. Student 1: 9.78 m/s2"

The percentage error is found as;

[tex]\rm \% error = \frac{a_A-a_E}{a_E} \times 100[/tex]

The percentage error in the gIven four students is obtained by putting the values in the given problem;

Student 1 ;

[tex]\rm \% error = \frac{9.78-9.78}{9.88}\times 100 \\\\\ \% error = 0 \%[/tex]

Student 2 ;

[tex]\rm \% error = \frac{9.78-9..79}{9.79}\times 100 \\\\\ \% error = - 0.10 \%[/tex]

Student 3 ;

[tex]\rm \% error = \frac{9.78-9.88}{9.88}\times 100 \\\\\ \% error = - 1.01 \%[/tex]

Student 4 ;

[tex]\rm \% error = \frac{9.78-9.61}{9.61}\times 100 \\\\\ \% error =1.77\%[/tex]

Student 4 reports the maximum percentage error.

Hence the student 4 measurement has the largest percent error.

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You can find the magnitude of the resultant vector : (B). By adding the magnitudes of the two vectors

A vector can be defined as any quantity which possesses magnitude and also has direction.

A Vector quantity is very useful because This type of quantity gives more details to the student or teacher analyzing it.

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The raising of window blinds is changing the amount of work done because work is easier by changing the direction of the force.

Work done refers to the product of component of a force in the direction of distance and the magnitude of this distance.

According to this question, a woman raises window blinds by pulling down on the cord.

The work done on the blind is made easier because load is relieved by changing the direction of the force.

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When an atom changes by alpha decay, its atomic number decreases because of the losing of proton and neutron.

An alpha particles is a helium nucleus that contains 2 protons and 2 neutrons. When the alpha decay occur, the atom loses an alpha particle which causes the loss of proton and neutron thus decreases the mass number as well as atomic number occur.

So we can conclude that When an atom changes by alpha decay, its atomic number decreases because of the losing of proton and neutron.

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Considering the definition of speed, the speed of Sam is 3.6 [tex]\frac{km}{h}[/tex].

Speed ​​is a quantity that expresses the relationship between the space traveled by an object. That is, the speed is associated with the change of position of an object in space within a certain amount of time.

The speed can be calculated using the expression:

[tex]speed= \frac{displacement}{time}[/tex]

In this case, you know:

Replacing in the definition of speed:

[tex]speed= \frac{9 km}{2.5 h}[/tex]

Solving:

speed= 3.6 [tex]\frac{km}{h}[/tex]

Finally, the speed of Sam is 3.6 [tex]\frac{km}{h}[/tex].

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The weaknesses of the America government under the articals of confederation in which the Philadelphia mutiny highlighted include:

This is a rebellious act among group of people in order to oppose a certain authority or government.

The government couldn't give soldiers a good working condition due to lack of funds which led to mutiny.

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Answer:

B) Settling a dispute or disagreement

Explanation:

A conflict is a disagreement or argument between opposing parties.

A resolution is a solution to a problem.

Knowing both these definitions, the answer choice that makes the most sense would be B) Settling a dispute or disagreement.

Hope this helps!!