What is the resistance for each resistor? What is the voltage of the battery?

Answers

Answer 1

Answer:

Each resistor has a resistance of 10.0 ohms. The battery has a voltage of 9.0 volts.

Explanation:

edmentum


Related Questions


Which of the following provides the best summary of the process of natural
selection?

A. Population sizes increase with every generation.

B. Individuals pass on their best traits to their offspring.

C. Mutations help an individual survive and reproduce.

D. Well-adapted individuals survive and reproduce.

Answers

Answer:

B. Individuals pass on their best traits to their offspring.

Explanation:

because genes are always passed from parents to offspring.

The best summary of the process of natural selection is Individuals pass on their best traits to their offspring. Hence, the correct option is B.

What is the theory of Natural selection?

The theory of natural selection gives the mechanism of evolution. It defines the method of different survival and reproduction of individuals due to differences in phenotype.

The theory of natural selection was proposed by Charles Darwin as a way of adaptation and speciation. The variations occur in organisms by random mutations occurring in the genome of individual organisms and this change in mutations may inherit in offspring.

Organisms that are more adapted to the environment are more likely to survive and pass on the genes to future generations. This process cause changes to the generations and diverged over time.

The organisms produce more offspring that are able to survive in the environment. The four factors of natural selection are Variations, Inheritance, Selection, and time.

Thus, the best summary of the process of natural selection is individuals pass on their best traits to their offspring. Hence, the ideal solution is option B.

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How much current must be applied across a 60 Ω light bulb filament in order for it to consume 55 W of power? Unserious answers will be deleted, and reported. (Please show some work)

Answers

Answer: current I = 0.96 Ampere

Explanation:

Given that the

Resistance R = 60 Ω 

Power = 55 W

Power is the product of current and voltage. That is

P = IV ...... (1)

But voltage V = IR. From ohms law.

Substitutes V in equation (1) power is now

P = I^2R

Substitute the above parameters into the formula to get current I

55 = 60 × I^2

Make I^2 the subject of formula

I^2 = 55/60

I^2 = 0.92

I = sqr(0.92)

I = 0.957 A

Therefore, 0.96 A current must be applied.

a force of 20 N acted on a ball thereby imparting an impulse of 70 Ns to the ball. For how long did the force act on the ball?

Answers

50n which would be 5 seconds?

Answer:3.5 seconds

Explanation:

how are magnetic field lines like electric field lines?

A. they always point away from the north pole
B. they never connect
C. they always point toward a negative pole
D. they never cross

Answers

Answer:

I think maybe D

Explanation:

A is wrong, it has to be reversed

B is wrong cause they connect at the poles

C is wrong cause they always point north (that's how compases work)

D is the only one that could be possible

Hope this helped! :D

which of the following describes glass?
A. a material that has a low resistance and allows charges to move freely
B. a material that has a high resistance and prevents charges from moving freely
C. a material that has a low resistance and prevents charges from moving freely
D. a material that has a high resistance and allows charges to move freely

Answers

Answer:b

Explanation:

In a nuclear reaction, which of the following must be conserved?
A. the number of neutrons
B. the count of nucleons
C. charge
D. the number of electrons

Answers

Answer:

c

Explanation:

Answer:

c

Explanation:

The shock from an electric fence would be the least unpleasant if you were
standing
A. on dry, thick gravel
B. in tall grass
C. In wet grass
OD. near the livestock

Answers

Answer: on dry , thick gravel

Explanation:

Which layer of the Sun appears pinkish-red during a solar eclipse?

Answers

Answer:

the answet is the 3 layer of the sun

Explanation:

isaw a solar eclipse and leanerd is

Answer:

Chromosphere

Explanation:

It is the second of the three main layers in the Sun's atmosphere and is roughly 3,000 to 5,000 kilmoeters deep.It's rosy red color is only apparent during eclipses.The chromosphere sits just above the photosphere and below the solar transtion region.

What evidence (data) would support the claim that an increase inhuman population contributes to the emission of greenhouse gases?
A. greenhouse gas production has leveled off once the global population reached a certain number

B. amount of greenhouse gases produced varies with the level of development a country has reached

C. greenhouse gas emissions per individual humas has decreased over the past 30 years

D. 10 countries with the largest populations are the countries that produce the most greenhouse gases

Answers

Hey there!

The answer would be D. 10 countries with the largest populations are the countries that produce the most greenhouse gases.

This is the only statements that supports the idea of large populations affecting the emissions of greenhouse gases.

Hope this helps!

A tennis ball and a solid steel ball of the same diameter are dropped at the same time. Which ball has the greater amount of force acting on it?

Answers

The steel one.

The steel one has more force due to the weight and mass.

An object's mass is a crucial indicator of how much stuff it contains. The gravitational pull of an object is measured by its weight. It is influenced by the object's location in addition to its mass. As a result, weight is a measurement of force.

What ball has the greater amount of force acting on it?

The heavier (denser) object will fall quicker if two identically sized but made of different materials objects are present. This is because both objects will experience the same drag and buoyancy forces, but the heavier object will experience a stronger gravitational pull.

Things fall to the earth faster as a result of gravity. Acceleration is a modification of velocity, and velocity is a measurement of the direction and speed of motion. The longer an object is in free fall, the faster gravity makes it tumble toward the ground.

Therefore, solid steel ball have high mass and greater amount of force acting on it.

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The functional unit of the kidney is the ________?

Answers

Answer:

nephron

Explanation:

I can't really explain this one.

Answer:

nephron

Explanation:

thats what it is

Identify the magnetic north pole of Earth’s magnet?

Answers

Answer:

using magnets

Explanation:

If we hang a magnet with a rope to an object the north pole of the magnet will point to the Earth's north pole

Study the image of a seismic graph.

Graph of P & S Wave Travel Times, showing Travel time in minutes across distance in kilometers for P and S waves. S wave starts at zero kilometers, zero minutes, and increases to 10,000 kilometers, 25 minutes. P wave starts at zero kilometers, zero minutes and increases to 10,000 kilometers, 13 minutes.

About how far does the S wave travel through Earth in 13 minutes?

2,000 km
4,000 km
6,000 km
8,000 km

Answers

Answer:

It is B. 4,000

Explanation:

I just took the quiz on edge2020

Answer:

B

Explanation:

A few Physics questions regarding circuits and electricity.

Answers

Answer:

7.series

Explanation:

in parallel is like if one bulb stops work all the others will stop too

in series it remains constant or it wont change throughout a series circuit

An isotope releases radiation in order to ____________ its nucleus.

stabilize

destroy

Answers

Answer:

stabilize

I think this should be the answer...

Answer stabilize

Explanation: hope it’s right

Determine What is the efficiency of a machine whose work output is 4 joules, and whose work input is 10 joules?

Answers

Answer:

The efficiency of the machine is 40 %.

Explanation:

We have,

Output work by the machine is 4 joules and the input work is 10 joules.

It is required to find the efficiency of a machine. The efficiency of a machine is given by the ratio of output work to the input work. It is given as :

[tex]\eta=\dfrac{4}{10}\times 100\\\\\eta=40\%[/tex]

So, the efficiency of the machine is 40 %.

Science question!! Please help

Answers

Answer:

It lasted two hours or 120 minutes, it would be smart to say that he was riding up it during the interval 20-60min and riding down it during the interval 60-80min. This is an assumption made because of his speed, when going up a hill our speed is slower while when riding down it, you gain a lot of speed.

2. Which is a possible unit of mass?
gram
liter
meter

Answers

Answer:

Gram

Explanation:

Meter is a unit used to measure length and liter is used to measure liquids therefore using process of elimination the answer has to be gram

Due very soon! 100 points please answer for all three diagrams!
The woman supports a 100 N load with the friction free pulley system shown below. Fill in the spring scale readings that show how much force she must exert.

Answers

Answer:

1. 100N 2. 50N 3. 50N

Explanation:

The spring scale reading that shows how much force she must exert is 1. 100N 2. 50N 3. 50N.

What is the spring scale?

A simple and affordable way to determine mass is by using spring balances. The mass is suspended from the end of the spring, and the spring's deflection as a result of the mass's downward gravitational pull is measured in relation to a scale.

The word "force" has a specific meaning in science. At this level, calling a force a push or a pull is entirely appropriate. A force is not something an object "has in it" or that it "contains."

One thing experiences a force from another. There are both living things and non-living objects in the concept of a force.

Therefore, her required force is indicated by the spring scale readings of 1. 100N, 2. 50N, and 3. 50N.

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For any energy source including batteries, there will be conduction of electricity if there is a potential
difference
similarity

Answers

Answer:

Difference

Explanation:

The electricity conduction happens when there is a flow of current. The flow of current from one point to another can only occur if there is a potential difference.

If there is not potential difference between two points the current will not flow and thus electricity conduction will also be not possible. The current in the circuit will flow from higher potential point to lower potential point.

An object has an acceleration of 18.0 m/s/s. If the net force was doubled and the mass were tripled then the new acceleration would be

Answers

Answer:

12.0 m/s²

Explanation:

Newton's second law:

F = ma

Solving for acceleration:

a = F/m

If force is doubled and mass is tripled:

a' = (2F)/(3m)

a' = ⅔ (F/m)

a' = ⅔ (18.0 m/s²)

a' = 12.0 m/s²

The new value of acceleration of object is 12 m/s².

Given data:

The magnitude of acceleration of object is, [tex]a =18 \;\rm m/s^{2}[/tex].

Let F be initial net force and m be the initial mass. Then as per the problem, the new values of each are,

F' = 2F

m' = 3m

Apply the Newton's Second law, which says that the product of mass and acceleration of object given net force. Then,

F = ma

F = m(18)

F/m = 18 .................................................(1)

Now, for new value of net force,

F' = m'a'

2F = (3m) a'

2F/3m = a'

a' =2/3× (18)                                                   (From equation 1)

a' = 12 m/s²

Thus, we can conclude that the new value of acceleration of object is 12 m/s².

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This graph provides data on the amount of water needed to grow four different crops, each used to produce ethanol, a fuel. For each crop, the data shows how many liters of water are needed to produce one liter of ethanol fuel. Which of the following would require using the most water? *



Producing 100 L of ethanol from sugar cane
Producing 200 L of ethanol from sugar beet
Producing 300 L of ethanol from potatoes
Producing 400 L of ethanol from corn

Answers

Answer:

Producing 300 L of ethanol from potatoes

Explanation:

From the diagram, one liter of ethanol production from sugar cane requires 2000 liters of water. Hence, in order to produce 100 L of ethanol from sugar cane, 2000 x 100 = 200,000 L of water.

1000 liters of water is needed to produce 1 liter of ethanol from sugar beet. Hence, 200 x 1000 = 200,000 L of water will be needed to produce 200 liters of ethanol.

1000 liters of water is also required to produce 1 liter of ethanol from potatoes, hence, 300 x 1000 = 300,000 L of water would be required to produce 300 L of ethanol from the same material

About 500 liters of water is required to produce 1 liter of ethanol from corn, hence, 400 x 500 = 200,000 L of water would be needed to produce 400 L of ethanol from corn.

In conclusion, producing 300 L of ethanol from potatoes would require using the most water among all the options.

Television satellites use infrared waves to transmit. true or false

Answers

Answer: false

Explanation: Because Television satellites use microwaves waves to transmit.

Answer: False

Television satellites don't use infrared waves to transmit.

A light beam approaches a plain mirror at an incident angle of 39
degrees. What is the angle of reflection?

Answers

Angle is 31 adding all sides

If Earth was with no tilt, would we still have seasons at all? If so, how would they be different?

Answers

Answer:

If earth had no tilt, we would have no seasons.

Explanation:

As stated in the answer, if the earth had no tilt we wouldn't have seasons. The earth all around the globe would maintain the same temperature,

And due to the no tilt it would also change our orbit to a bit larger slant, in January when we are at our closest to the sun we WOULD have a mini summer. For the North and South Pole, they would remain cold.

_ is (are) the type of electromagnetic wave(s) with a wave length between 700 and 400 billionths of a meter.

Answers

Answer:

Visible Spectrum is the type of electromagnetic wave with a wave length between 700 and 400 billionths of a meter.

4. Convert this distance( 9cm)into MILES, using the scale provided:
Answer:

Answers

0.000056 bc if you convert it it’s the answer I said

Which statements accurately describe trends found in the periodic table? Check all that apply.

Henry Moseley established a periodic table that arranges the elements by atomic number.
The atomic mass decreases from left to right on the periodic table.
The atomic number increases from left to right on the periodic table.
Nonmetals create a “staircase” down the periodic table.
Metalloids have the characteristics of both metals and nonmetals.

Answers

Answer:

A.)Henry Moseley established a periodic table that arranges the elements by atomic number.

C.)The atomic number increases from left to right on the periodic table.

E.)Metalloids have the characteristics of both metals and nonmetals.

Explanation:

Direct notes from edge:

-Metalloids have characteristics of both metals and nonmetals

-As you move left to right, the atomic number of each element increases by 1

-Henry Moseley Arranged elements in order of increasing atomic number

What is TRUE with regard to Bronfenbrenner's social ecological model applied to the context of relationships?

Answers

Answer:The affects of proximal factors on a relationship are affected by distal factors

Explanation:

identify the correct order of increasing intermolecular force of attraction for the three most common states of matter.

A) liquid - solid - gas
B) Solid - liquid - gas
C) gas - liquid - solid
D) gas - solid - liquid

Answers

I believe it’s C) gas- liquid- solid

The correct order of increasing the intermolecular force of attraction for the three most common states of matter is C) gas - liquid - solid.

What is an intermolecular force in matter?

An intermolecular force is a force of attraction or repulsion that exists between molecules or atoms within a substance.

Here,
In the gaseous state, the intermolecular forces are weak, and the molecules are far apart and move freely in all directions. In the liquid state, the intermolecular forces are stronger, and the molecules are closer together, but still able to move past each other. In the solid state, the intermolecular forces are the strongest, and the molecules are tightly packed together in a fixed arrangement, which results in a definite shape and volume.

Therefore, the correct order of increasing the intermolecular force of attraction for the three most common states of matter is gas, liquid, and solid.

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