Answer:
1350 N
Explanation:
KE = ½mv²
KE = ½(12)(15²)
KE = 1350 N
When in contact with hydrochloric acid, which mineral gives off bubbles of carbon dioxide gas?.
Answer:
calcite
Explanation:
3. in adlerian therapy, clients learn how core beliefs that have been helpful in the past might not work well now and then to put that understanding to use in the real world. what therapeutic process is referred to jim to overcome his core beliefs and move forward? as a counselor, how do you make him understand?
Adlerian therapy is a method in which a therapist collaborates with a client to pinpoint challenges and develop successful solutions for achieving their objectives.
Key Takeaways: Adlerian Therapy
Individual therapy, often known as Adlerian therapy, places an emphasis on the patient's capacity to effect good change in his or her own life.
Adlerian therapy consists of four stages: engagement, assessment, insight, and reorientation.
In Adler’s theory, individuals work to overcome feelings of inferiority and to act in ways that benefit the social interest.
Four Stages of Adlerian Therapy :
Engagement
Assessment
Insight
Reorientation
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A circuit consists of three resistors and a 3.50 V battery. Two of the resistors have known resistances of 5 Ω and 10 Ω respectively. The third resistor has an unknown resistance. When the battery is connected to the circuit, the current running through the battery is measured to be 10 A.
a. Calculate the resistance of the unknown resistor.
b. Draw the circuit and label each component.
The resistance of the unknown resistor is determined as 0.39 ohms.
Equivalent resistance of the circuitThe total resistance of the circuit is calculated as follows;
V = IR
R = V/I
R = (3.5)/10
R = 0.35 ohms
The resistors are in parallel arrangement
1/R = 1/R₁ + 1/R₂ + 1/R₃
1/0.35 = 1/5 + 1/10 + 1/R₃
100/35 = 3/10 + 1/R₃
20/7 = 3/10 + 1/R₃
1/R₃ = 20/7 - 3/10
1/R₃ = (200 - 21)/70
1/R₃ = 179/70
R₃ = 70/179
R₃ = 0.39 ohms
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limestone which physical property contributes to its usefulness and how?
The limestone is hard and compact and can be grinded into fine grained calcareous rocks and this contributes to its usefulness.
What are limestones?Limestone is a type of sedimentary rock that is mainly made up of mineral calcite (calcium carbonate, CaCO3).
Their physical properties include the following;
it can be yellow or colourlessit has coarse to fine grain sizeTherefore, the limestone is hard and compact and can be grinded into fine grained calcareous rocks and this contributes to its usefulness.
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Where is UTC the local time?
UTC is generally adopted as the local time at Prime Meridian (PM).
What is UTC?UTC is an abbreviation for Coordinated Universal Time and it can be defined as a local time standard by which all clocks, time and time zones are regulated around the world.
This ultimately implies that, Coordinated Universal Time (UTC) is generally adopted as the local time at Prime Meridian (PM) because it nominally reflects mean solar time.
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A single-instance deployment of splunk enterprise handles:
A single-instance deployment of splunk enterprise handles; Indexing, Parsing, Input and Searching.
What is splunk enterprise?Splunk Enterprise collects data from any source, including metrics, logs, stream network traffic, web servers, custom applications, social media and cloud services.
Functions of single-instance deployment of splunk enterpriseThe following are the main functions;
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Five resistors each have resistance R. Three of the resistors are connected in series and this combination is then connected in parallel with the two other resistors which have been connected in series with each other. What is the equivalent resistance for this arrangement
Answer:
6/5 * R
Explanation:
The 3 in series sum to 3R for one branch of the parallel circuit
the 2 in series sum to 2R for the other side of the parallel circuit
now find the equivalent R of the parallel circuit with 3R and 2R
here is one way
Requiv = 1 / ( 1/(3R) + 1/(2R) ) =
1/ ( 5/(6R) ) =
6R/5
the equiv resistance = 6/5 * R
The table describes the properties of four compounds.
Which compounds are most likely ionic?
hello i need help with this!!
Answer:
Yes
Explanation:
If lamp A burnt out there would still be a wire above it that connects lamp B and C to the power source
Which list places the three types of radiation in order from least penetrating to most penetrating?
a. gamma, alpha, beta
b. gamma, beta, alpha
c. alpha, beta, gamma
d. alpha, gamma, bet
alpha < beta < gamma.
What are the properties of Alpha , Beta , Gamma Rays?
Gamma rays are parts of electromagnetic spectrum.
1. Gamma rays travel with the speed of light with maximum velocity.
2. Gamma rays do not have mass have maximum penetrating power.
Beta rays are negatively charged and have negligible mass.
1. Neutron is divided into proton and electron on emission of beta particles.
2 .Beta particles have less mass and very high velocity, so their penetrating power is more than alpha particles.
Alpha rays are positively charged it contain high energy Helium nucleus with 2 proton and 2 neutron.
1. Mass of Alpha rays are 4u
2. Alpha rays are heavier and maximum charged than beta and gamma particles.
3.Alpha particles have least penetration power it can't travel more than 10-18 cm.
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How are step-up transformers used in the transmission of electrical energy?
How are step-up transformers used in the transmission of electrical energy?
They increase the voltage for efficient long-distance transmission.
They decrease the voltage before it leaves a power plant.
They increase the current for efficient long-distance transmission.
They increase the voltage and the current for a short-distance transmission.
The step-up transformers are used in the transmission of electrical energy in the way they increase the voltage for efficient long-distance transmission.
What is transformer?
A transformer transfers electric energy from one AC circuit to one or more other circuits, either stepping up or stepping down the voltage.
In step up transformers, the voltage are increased from low to high. Step ups are used of long distance transmission In step down transformers, the voltage is decreased from high to low based on the purpose.
Thus, they increase the voltage for efficient long-distance transmission.
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which type of radio active decays
The orbits of all the planets in the solar system are slightly elliptical with the exception of _______.
Except for Pluto, all of the planets in the solar system have slightly elliptical orbits.
What distinguishes Pluto from other planets in terms of its orbit?Pluto, a dwarf planet, the orbit is highly elliptical, with an eccentricity of 0.25, and it travels between 4.4 and 7.4 109 kilometers (2.7-4.6 109 miles) from the Sun on average. As a result, Pluto's orbit occasionally brings it closer to the Sun than Neptune, which implies that sometimes Pluto is much closer to the Sun than other times.
Pluto orbits the Sun at an angle of 17 degrees. This indicates that Pluto occasionally orbits above the other planets and occasionally orbits below them.
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is vectors and motion in plane same?
Answer:
Plane Motion
Plane Motion One of the most common examples of motion in a plane is Projectile motion.
Differences between freezing point and melting point (Atleast 5 differences)
Answer:
What is freezing point?
A liquid's freezing point is determined at which it turns into a solid. Corresponding to the melting point, the freezing point often rises with increasing pressure. In the case of combinations and for some organic substances, such as lipids, the freezing point is lower than the melting point. The first solid which develops when a combination freezes often differs in composition from the liquid, and the development of the solid alters the composition of the remaining liquid, typically lowering the freezing point gradually. Utilizing successive melting and freezing to gradually separate the components, this approach is used to purify mixtures.
What is melting point?
The temperature at which a purified substance's solid and liquid phases may coexist in equilibrium is referred to as the melting point. A solid's temperature goes up when heat is added to it until the melting point is achieved. The solid will then turn into a liquid with further heating without changing temperature. Additional heat will raise the temperature of the liquid once all of the solid has melted. It is possible to recognize pure compounds and elements by their distinctive melting temperature, which is a characteristic number.
The difference between freezing point and melting point:
While a substance's melting point develops when it transforms from a solid to a liquid, a substance's freezing point happens when a liquid transforms into a solid when the heat from the substance is removed.When the temperature rises, the melting point can be seen, and when the temperature falls, the freezing point can be seen.When a solid reaches its melting point, its volume increases; meanwhile, when a liquid reaches its freezing point, its volume decreases.While a substance's freezing point is not thought of as a distinctive attribute, its melting point is.While external pressure is a significant component in freezing point, atmospheric pressure is a significant element in melting point.Heat must be supplied from an outside source in order to reach the melting point for such a state shift. When a material is at its freezing point, heat is needed to remove it from the substance in order to alter its condition.Reference: Berry, R. Stephen. "When the melting and freezing points are not the same." Scientific American 263.2 (1990): 68-75.
Water flows through a pipe. The diameter of the pipe at point b is larger than at point a. Where is the water pressure greatest?.
The water pressure is greatest at point B which has a larger diameter in this scenario.
What is Pressure?This is defined as the force per unit area of a substance with its unit being Pascal.
The larger diameter will have more force acting on the sides which translates to a greater pressure.
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someone help real quick please
On one run along a measured distance of 200 m, the bicycle's speed is 40 m/s.
(a) Calculate the time taken by the bicycle to travel this distance.
(b) State the formula you use and show your working.
Answer:
5 sec
Explanation:
The formula for speed is distance/time taken. so if we use cross multiplication we get distance = speed x time taken. And to get rid of speed we divide both equations by speed like this distance = speed x time taken
speed speed
We cancel out speed by speed and we get this formula to calculate time.
time taken = distance
speed
Now we got the formula we need so we substitute them by their values.
time taken = 200m
40m/s
We cancel meter by meter and divide 200 by 40 and the answer will be 5 seconds. please give me like, thank me and make my answer the brainliest.
forces if magnitude 2,5 and 4 units lie in the direction 45°,90° and 135° respectively. Find: A. the magnitude. B. the direction of their resultant
A. The magnitude is 9.47N
B. The direction of the resultant force is 90°
We use vectors in answering this question.
F₁ = 2N 45°
F₂ = 5N 90°
F₃ = 4N. 135°
For the magnitude, we use vector addition twice
Consider forces F₁ and F₃
Notice that F₁ and F₃ are at right angles to each otherUsing vector summation, the net forces of F₁ and F₃ say F₀ is the square root of the summation of the squares of F₁ and F₃F₀ = 4.47N
Since F₁ and F₃ are at 45° and 135° respectively, their net force F₀ is at 90°, along the line of F₂
Fnet = F₀ + F₂ = 4.47 + 5 = 9.47N
A. The magnitude is 9.47N
B. The direction of the resultant force is 90°
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What is the difference between a conductor and an insulator?
Select one:
O a. An insulator transfers thermal energy while a conductor does not. Insulators do not
allow thermal energy to move through them.
Ob.
A conductor transfers thermal energy while an insulator does not.
O c.
Both conductors and insulators transfer thermal energy, but not electrical energy.
One of them does not transfer energy.
O d. Both conductors and insulators transfer electrical energy, but not thermal energy.
Answer:
b
Explanation:
An insulator does not transfer thermal or electrical energy but a conductor does
describe in your own words the conditions established by forward- and reverse-bias conditions on a pâ€""n junction diode and how the resulting current is affected.
The conditions established by forward- and reverse-bias conditions on a P-N junction diode are: For forwarding bias, the current flows easily without opposition, this causes more current to pass, For reversed bias, the current flow is restricted and this causes less amount of current to pass.
Meaning of a Forward and reversed biasA forward bias is a state attained by a diode as a result of its positive terminal that is connected to the positive part of a circuit and its negative terminal connected to the negative part of the circuit.
A reversed bias is a state attained by a diode as a result of its positive terminal that is connected to the negative part of a circuit and its negative terminal connected to the positive part of the circuit.
In conclusion, The conditions established by forward- and reverse-bias conditions on a P-N junction diode are: For forwarding bias, the current flows easily without opposition, which causes more current to pass, For reversed bias, the current flow is restricted and this causes less amount of current to pass.
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The conditions established by forward- and rear- bias conditions on a P- N junction diode are For encouraging bias, the current flows fluently without opposition, this causes further current to pass, For reversed bias, the current inflow is confined and this causes lower quantum of current to pass.
Meaning of a Forward and reversed bias-
A forward bias is a state attained by a diode as a result of its positive outstation that's connected to the positive part of a circuit and its negative terminal connected to the negative part of the circuit.A reversed bias is a state attained by a diode as a result of its positive outstation that's connected to the negative part of a circuit and its negative terminal connected to the positive part of the circuit.
In conclusion, The conditions established by forward- and rear- bias conditions on a P- N junction diode are For encouraging bias, the current flows fluently without opposition, which causes further current to pass, For reversed bias, the current inflow is confined and this causes lower quantum of current to pass.
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A cylindrical metal bar of diameter 14cm and length 484 cm is to be melted to make a metalic cube.if one side of the box is 220mm,how many boxes were produced?
The number of boxes were produced willl be 7.57.n stands for the no of boxes.
What is volume?The term “volume” refers to the amount of three-dimensional space taken up by an item or a closed surface. It is denoted by V and its SI unit is in cubic cm.
The volume of the cylindrical metal bar;
V₁=πr²h
V₁=3.4 × 7² × 484 cm
V₁=80,634.4 cm³
The one side of the box is,220mm(22 cm)
V₂ = a³
V₂ = (22)³
V₂ = 10,648 cm³
The no of boxes is found as;
n = V₁/V₂
n=80,634.4 cm³/10,648 cm³
n=7.57
Hence, the number of boxes were produced willl be 7.57
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a car accelerates from rest to 80 m/s in 20 s. what is the card acceleration?
Answer:
4 m/s²
Explanation:
v = v₀ + at
80 = 0 + 20a
80 = 20a
a = 4 m/s²
9. Ripening is a _______________ and spoiling is a ______________.
A. Physical reaction, chemical reaction.
B. Physical reaction, physical reaction.
C. Chemical reaction, physical reaction.
D. Chemical reaction, chemical reaction.
Answer:
C
Explanation:
Chemical reaction,physical
Which of the following is an example of an electromagnetic wave?
Sound
Ocean waves
Seismic waves
Red light
Answer:
red light light is an electromagnetic wave thats whyy
hope it helped
Explanation:
which degree is best for science student?
Answer:
Computer Science or Science technology
Explanation:
It all depends on what aspect of science you're looking into such as biology, zoology, marine biology, etc. But since this world is evolving more and more around technology, your best bet is to get into something computer science or science technology.
A metal wire, initially 1.000m long, extends by 4mm when a loaded of 2N is added to it. What will the length of the wire be if a further 3N is added, assuming it does not extend beyond its limit of proportionally?
Explanation:
you should first find the proportionality constant or the spring constant(as we see it as a spring).the find the value of x so that the force is 3N
When you see a figure, how do you know that it's representing a vector?
The way you will know that a figure represents a vector is that it will have magnitude and direction.
How to Identify a Vector?A figure that is a vector will typically have magnitude and direction. This means that it will be represented by an arrow(s) with its' magnitude also showing.
Whereas, on the opposite side, the figure is termed as a scalar if it doesn’t have a direction.
Thus, we can know a vector diagram if the magnitude and direction are indicated.
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A lab technician needs to clean medical instruments that have been exposed to bacteria. which electromagnetic wave would be most useful for this task? infrared radio ultraviolet microwave
The ultraviolet electromagnetic wave would be most useful for this task.
UV radiation is a well-known method for repressing bacteria that has certain advantages over liquid disinfectants because it may be used to clean surfaces, liquids, the air, and rooms while also operating autonomously and remotely.The disinfection of surface DNA, RNA, and bacteria is accomplished with UV light. Up to 99 percent of surface contamination is removed from research tools, containers, and other items using the UV Clave chamber's highly targeted UV irradiation. Medical instruments that are exposed to bacteria should be cleaned with UV light to remove the bacteria.Microbes are killed or made inactive by UV-C radiation by destroying their deoxyribonucleic acid (DNA).infrared microwave and radio waves will not be effective in removing the contamination and bacteria.
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Answer: Ultraviolet
Explanation: got it right on edge
Now, let's look at how the distance from the charge affects the magnitude of the electric field. Select Values on the menu, and then click and drag one of the yellow E-Field Sensors. You will see the magnitude of the electric field given in units of V/m (volts per meter, which is the same as newtons per coulomb). Place the E-Field Sensor 1 m away from the positive charge (1 m is two bold grid lines away if going in a horizontal or vertical direction), and look at the resulting field strength. Consider the locations to the right, left, above, and below the positive charge, all 1 m away. For these four locations, the magnitude of the electric field is________________. the same. greatest to the left of the charge. greatest below the charge. greatest to the right of the charge. greatest above the charge.
Electric field strength decreases as the distance from the source increases.
How the distance from the charge affects the magnitude of the electric field?The strength of an electric field is inversely related to square of the distance from the source. This means that the electric field strength decreases when the distance from the source increases.
So we can conclude that Electric field strength decreases as the distance from the source increases.
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An electric motor rated 2.5kw is used to lift bales of hay to a store in a dairy farm. A single bale has a mass of 5kg. If the store is 4 meters above the ground, how many bales can the motor raise in 2 minutes.