30 12
w
Find the total
equivalent
resistance for the
circuit.
40 12
w
9.0V
50 Ω
2012 10 12
Reg = [?] 12
Answer:
6
.40 recharge
1.0v
45.0v
What is the current in a 160V circuit if the resistance is 5Ω?
Answer:
32A
Explanation:
So, 160=1*5
I = 160/5
=32 ampere
Which has more less thermal energy 1 liter of Coca Cola or 5 liters of cola
Explanation:
According to Charles law Volume is directly proportional to Temperature.
meaning the higher the volume the higher the temperature. in that sense 1 litre has less thermal energy
According to Charles' Law, while pressure is maintained constant, the volume of a given amount of gas varies in direct proportion to the absolute temperature of the gas. The Kelvin scale is used to measure temperature to determine the absolute temperature.
What Charles law related to volume and temperature?According to Charles' Law, for a given mass of gas under a constant pressure, the volume changes in direct proportion to the absolute temperature of the gas. The Kelvin scale is used to measure temperature in absolute terms.
According to Charles' law, for a given amount of gas and a constant pressure, the volume of the gas is precisely proportional to its kelvin-scale temperature.
Therefore, Volume and temperature are exactly related, according to Charles' law. Consequently, the temperature will rise as the volume increases. One litre contains less thermal energy in that sense.
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The nucleus of a cell is like the ____ of a large animal.
A ruler has a division of 1mm. You use the ruler to measure a piece of paper. You find that it is 7.4 cm wide and 8.3 cm long. What is the area of the piece of paper?
Answer:
6,142mm²Explanation:
Given the dimension of a paper measured by a ruler as 7.4 cm wide and 8.3 cm long, the area of the paper is expressed using the area for calculating the area of a rectangle as shown;
Area of the piece of paper = Length * Width
Given length = 7.4cm
Length = 74mm (Since 10mm = 1cm)
Width = 8.3cm
Width (in mm) = 83mm
We converted to mm since the ruler used to measure has a division of 1mm.
Substituting the given values into the formula, we will have:
Area of the piece of paper = 74mm * 83mm
Area of the piece of paper = 6,142mm²
Hence, the area of the piece of paper is 6,142mm²
What is the hydrosphere?
everything to do with land
O everything to do with water
O everything to do with air
O everything to do with rocks
Give Example of mental flexibility
Answer:
If you ring the doorbell and no one opens the door, you'll infer that no one is home rather than continuing to ring the doorbell to an empty house. Being able to understand this and look for another solution is another example of mental flexibility.
Explanation:
Katniss Everdeen is training for the annual
Hunger Games. She shoots an arrow at 150 m/s
at an angle of 30° NW. Calculate the horizontal
and vertical velocities (X and Y components) of
the arrow.
Answer:
i dont have a clue whats going on but ill act like i do
Explanation:
its a refrence from naruto
there is a block of wood frozen inside the block of ice. what happens to the water level when all the ice melts? all we know is that the density of the wood is less than the density of water. (no water is lost due to evaporation.) without knowing the density of the wood block compared to the density of the ice, we cannot answer this question. the water level will not change. the water level will fall. the water level will rise.
The water level will not change when all the ice melts, given that no water is lost due to evaporation. The density of the wood being less than the density of water does not affect the water level in this scenario.
The water level will not change when all the ice melts. This is because the density of the wood is less than the density of water. When the ice melts, it will turn into liquid water, but the volume of the water will remain the same.
Since the wood is less dense than water, it will not displace enough water to cause the water level to rise. To understand this, let's consider an example. Imagine you have a glass filled with water and you place a small piece of cork in it. The cork is less dense than water, so it floats on the surface.
Now, if you let the ice melt, it is similar to the cork sinking to the bottom of the glass. However, the water level remains the same because the cork's volume is already accounted for in the initial water level.
Therefore, in this scenario, the water level will not change when all the ice melts.when all the ice melts, the water level will remain the same because the density of the wood is less than the density of water, allowing it to float without affecting the water level.
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In your opinion what qualities of a teacher can help students learn better?
Answer:
→They are the followings :
The teacher should be friendly in nature. Treating the students like her/his friends. The teacher should be of it's class generation i.e. that not old teacher.The teacher should be cheerful.The teacher should be creative.This are some points that teacher should have mentally.
Using the results from your post-fitness assessment, write a three-paragraph reflection addressing the following questions. Be sure to address all portions of the prompt in your reflection.
Journal prompt to be answered in 3 fully developed paragraphs citing specific examples from the pre-assessment.
In paragraph 1, summarize your results for each part of the assessment. Were there areas that surprised you about your results(able to complete more or less than you thought)?
In paragraphs 2 and 3, respond to the following: What is the purpose of completing a post-assessment? How can you analyze the data and use it to create a plan? What areas of the assessment would like to improve upon? How have you improved from your pre-assessment?
After completing the post-fitness assessment, I found that I made significant progress in my overall fitness level.
What are the assessment of the result after fitness regime?My cardiovascular endurance has improved because i now run for a longer duration without feeling fatigued compared to former assessment but need to work on flexibility becaiuse my range of motion has not improved.
The purpose of completing a post-assessment is to evaluate progress and determine areas of improvement. Analyzing the data collected during the assessment can help in creating a plan that is tailored to specific goals and needs.
One area of the assessment that I would like to improve upon is my flexibility. I have noticed that even though I have made some progress, I still have a long way to go in terms of achieving optimal flexibility. To improve, I will do stretching exercises routine that target areas that need improvement.
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A ____ exerted by an object on another is a force
Answer:
A gravitational force exerted by an object on another is a force.
Explanation:
hope it helps
Naruto is running towards Zetsu. Starting from rest, he accelerates to a velocity of 15
m/s in 10 seconds. What is Naruto's average acceleration?
Answer:
1.2 m/s^2
Explanation:
average acceleration = vf-vi/t = (15 m/s-0 m/s)/10 s = 1.2 m/s^2
Boiling water is a common method used to sterilize water that may be contaminated. subjecting microbes to such high temperatures is an example of a(n) __________ technique.
Boiling water is a common method used to sterilize water that may be contaminated. subjecting microbes to such high temperatures is an example of a(n) microbicidal technique.
A substance that eliminates microorganisms (such as bacteria) is known as microbicide and the techniques that involve destruction of microbes are known as microbicidal techniques.
The pathogen biofilm was effectively destroyed by the combined microbicidal effects of hot water (50, 60, or 70 °C) and 2% citric acid. It was discovered that the combination of hot water and citric acid caused sub-lethally harmed cells.
A fairly easy way to disinfect water is to boil it. The majority of dangerous organisms, notably viruses and bacteria that cause waterborne infections, are killed when water is heated to a high temperature of 100°C. The water must boil for at least 20 minutes in order to be most effective.
Hence, water that may be polluted is frequently sterilized by boiling. Using such high temperatures to kill germs is an example of a microbicidal method.
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As you walk to science class, you start out at a speed of 2 m/s, for a time of 120 seconds (you’re really excited to get to class). Then you see your friend and slow down to a speed of 0.5m/s for 30 seconds. You stop at your locker for 40 seconds (a speed of 0 m/s). You realize that you are about to be late so you hurry to class at a speed of 1 m/s and get to class just as the bell rings (4 minutes after your trip started). How far did you travel total?
The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.
What is Speed?Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar value.
For instance, 50 km/hr west denotes the velocity of a car whereas 50 km/hr (31 mph) denotes the speed at which it is moving down a route.
The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance.
Therefore, The total travelled distance is • Speed, time and distance is one of the most common and important topics in the Mathematics or Quant section.
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Which statement is true about the loudness of sound?
A. It is directly proportional to the distance of the listeners from the source.
B. It is inversely proportional to the square of the distance of the listener from the source.
C. It is directly proportional to the square of the distance between the listener from the source.
D. It is inversely proportional to the distance between the listener from the source.
The loudness of sound is inversely proportional to the square of the distance of the listener from the source. (B)
Answer:
B. It is inversely proportional to the square of the distance of the listener from the source.
Explanation:
How much net force is required make a 10 kg box accelerate at a rate of 5 m/s2?
O2N
0 50 N
0 15 N
0 100 N
A ball is projected upwards from a bridge and hits the ground 5 seconds after it was originally projected its initial velocity is 15 m/s and it’s final velocity is 34 m/s calculate the height of the bridge.Max height = 11.48 m
Given:
• Time, t =5 seconds
,• Initial velocity, u = 15 m/s
,• Final velocity, v = 34 m/s
Given that the ball is projected upwards from a bridge, let's find the height of the bridge.
Let's first find the height from the top of the bridge to the maximum height.
To find the height apply the formula:
\(v^2=u^2-2as\)Where:
v is the final velocity = 0 m/s (velocity at max height).
u is the initial velocity = 15 m/s
a is acceleration due to gravity = 9.8 m/s²
s is the height.
\(\begin{gathered} 0^2=15^2-2(9.8)s \\ \\ 0=225-19.6s \\ \\ 19.6s=225 \\ \\ s=\frac{225}{19.6} \\ \\ s=11.48\text{ m} \end{gathered}\)The distance from the bridge to the maximum height is 11.48 m.
Now, let's find the maximum height to the ground.
\(v^2=u^2+2as\)Where:
v is the final velocity = 34 m/s
u is the initial velocity = 0 m/s (velocity at the top).
a is acceleration due to gravity = 9.8 m/s²
s is the maximum height.
Thus, we have:
\(\begin{gathered} 34^2=0^2+2(9.8)s \\ \\ 1156=19.6s \\ \\ s=\frac{1156}{19.6} \\ \\ s=58.9\approx59\text{ m} \end{gathered}\)The maximum height is 59 meters.
To find the height of the bridge, we have:
Height of bridge = Maximum height - Distance from top of bridge to max height.
Height of bridge = 59m - 11.48m = 47.52 m
Therefore, the height of the bridge is 47.52 meters.
• ANSWER:
47.52 meters.
Why do we see Moon phases?
Answer:
The moon its self does not generate life.
Explanation:
Moon phases are determined by the relative positions of the Moon, Earth, and Sun. Instead, the Moon's phase depends only on its position relative to Earth and the Sun. The Moon doesn't make its own light, it just reflects the Sun's light as all the planets do. The Sun always illuminates one half of the Moon.
{ hope this helps T-T }
what factors could enhance memory and kept constant? and why
To help make sure information goes from short-term memory to long-term memory, you can use memory-enhancing strategies. One strategy is rehearsal, or the conscious repetition of information to be remembered. Think about how you learned your multiplication tables as a child.
Proven ways to protect memory include following a healthy diet, exercising regularly, not smoking, and keeping blood pressure, cholesterol, and blood sugar in check. Living a mentally active life is important, too. Just as muscles grow stronger with use, mental exercise helps keep mental skills and memory in tone.
According to one study, mental stimulation like reading can help protect memory and thinking skills, especially as you age. The authors even suggest that reading every day can slow down the late-life cognitive decline. ... The act of reading helps to heighten overall brain function and increase memory.
Let's take a deeper dive into evidence-based exercises that offer the best brain-boosting benefits.
Have fun with a jigsaw puzzle. ...
Try your hand at cards. ...
Build your vocabulary. ...
Dance your heart out. ...
Use all your senses. ...
Learn a new skill. ...
Teach a new skill to someone else. ...
Listen to or play music.
Chanel has some cotton candy that came in a cloudy shape. She wants to make it more dense. Which describes the candy before and after Chanel manipulated it? The candy before was a cube, and the candy after was a ball. The candy before was compacted, and the candy after was fluffy. The candy before was fluffy, and the candy after was compacted. The candy before was a ball, and the candy after was a cube.
Answer:
The candy before was fluffy, and the candy after was compacted.
Explanation:
By definition, something that is fluffy is something very soft, and when you talk about fluffy food (e.g. cakes, cotton candy) it is food that has a lot of air in it. In this case, the cotton candy originally had the shape of a cloud and was not dense, therefore, it was fluffy.
Something that is compact, it something that is dense, solid and generally small. Since Chanel wanted her cotton candy to be more dense, she compacted it .
Answer:
c
Explanation:
As of 2016, where and when was the largest earthquake in the world? Your answer Submit Clear form
The largest earthquake in the world in 2016 occurred on 17 December in Papua New Guinea and had a magnitude of 7.9 on the Richter scale.
What is an earthquake?An earthquake is defined as a natural disaster in which tectonic plates of the earth's crust suddenly move as a consequence of the release of pressure by contact, which may be associated with dramatic disasters. Earthquake power is measured as units on the Richter scale.
Therefore, with this data, we can see that the largest earthquake in 2016 occurred in Papua New Guinea (Oceania continent) and it had a magnitude of 7.9.
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examine eq. (6.44) in the text. this equation is an explicit relation for vmax in terms of the thrust-to-weight ratio for the airplane, and hence allows a quick analytical calculation of vmax for jet-propelled airplanes. derive an analogous relation for vmax for a propeller-driven airplane in terms of the power-to-weight ratio (power loading). note: you will find a relation that relates power loading and vmax, but you will also discover that it is not possible to solve this equation explicitly for vmax. even so, this relation still allows a quicker solution for vmax for propeller-driven airplanes in comparison to the numerical solution discussed in sec. 6.6.
This inequality allows for an analytical solution for vmax in terms of the power loading, which is much quicker than the numerical solution discussed in sec. 6.6.
What is power?
The quantity of energy transferred as well as converted per unit of time is known as power in physics. The watt, which is equal to one joule per second in the International System of Units, is the unit of power. Power is sometimes referred to as activity in older works. A scalar quantity is power. Power is correlated with other factors. For instance, the power required to move a ground vehicle is a function of the vehicle's velocity, traction force on its wheels, and aerodynamic drag. A motor's output power is calculated by multiplying its torque output by the angular velocity of the its output shaft. The power lost by an electrical component in a circuit is also a function of the voltage across the component and the current flowing through it.
The power loading P/W for a propeller-driven airplane can be related to vmax through the following equation:
P/W = k2T/ρA0(vmax)^3
where k2 is a constant that depends on the airplane design and T is the thrust of the propeller, ρ is the air density, and A0 is the disk area of the propeller.
This equation cannot be solved explicitly for vmax, but it can be used to derive a quicker solution in comparison to the numerical solution discussed in sec. 6.6. To do this, the equation can be rearranged to form the following inequality:
vmax >= (k2T/ρA0)^(1/3)
This inequality allows for an analytical solution for vmax in terms of the power loading, which is much quicker than the numerical solution discussed in sec. 6.6.
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The 2 substances in the containers below were heated to 50 degrees Celsius; then left to cool to room Temp of 20 degrees Celsius. Which will reach room temperature first?
Answer' RA
Explanation: I need points mb gang
For a stirred tank that is cooled by a water coil, what is the consequences of neglecting coll dynamics? a • Thermal capacitance of the collis neglected with respect to the tank wall and the tank liquid • Energy balance is done only on the tank wall Ob • Thermal capacitance of the collis neglected with respect to the tank wall and the tank liquid • Energy balance is done only on the tank liquid oc • Thermal capacitance of the collis neglected with respect to the tank wall and the tank liquid
The thermal capacitance of the coil is neglected with respect to the tank wall and the tank liquid. Energy balance is done only on the tank liquid. Option C is the correct answer.
The consequence of neglecting the thermal dynamics of the cooling coil in a stirred tank can vary depending on the specific situation and the magnitude of the neglected effects. However, in general, neglecting the thermal capacitance of the cooling coil in relation to the tank wall and the tank liquid can have the following consequences:
Inaccurate temperature predictions: Neglecting the thermal capacitance of the cooling coil means that the cooling effect provided by the coil will not be properly accounted for in the energy balance of the system. This can lead to inaccurate temperature predictions within the tank. The coil may cool the tank contents faster or slower than anticipated, leading to deviations from the desired temperature profile.Inefficient cooling: Neglecting the thermal capacitance of the coil implies that the cooling coil is assumed to have an instantaneous cooling effect, without considering its own thermal inertia. This can result in inefficient cooling as the coil may not be able to transfer heat effectively to the cooling water due to the lack of thermal capacitance consideration. Consequently, the cooling process may be slower or less efficient than expected.Risk of equipment failure: If the cooling coil is subjected to rapid temperature changes due to neglecting its thermal capacitance, it can potentially lead to thermal stress and mechanical failure of the coil. The coil may not be designed to handle abrupt temperature variations, which can result in damage or reduced lifespan of the equipment.Energy consumption discrepancies: Neglecting the thermal capacitance of the coil can affect the overall energy balance calculations for the system. The energy required to operate the cooling coil may be underestimated, leading to discrepancies in energy consumption estimations. This can have implications for energy management and cost considerations.Learn more about capacitance at
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A wave has a wavelength of 4 m and a frequency of 85 Hz. What is the speed of this wave?
The speed of wave with a wavelength of 4 m and a frequency of 85 Hz is 340m/s
The speed of a wave is the product of the frequency of the wave and its wavelength. Mathematically, it is expressed as:
\(v = f \lambda\) where:
f is the frequency
\(\lambda\) is the wavelength
Given the following:
f =85Hz
\(\lambda\) = 4 m
Substitute the given parameter into the formula:
v = 85 × 4
v = 340m/s
Hence the speed of wave with a wavelength of 4 m and a frequency of 85 Hz is 340m/s
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What is the period of a water wave is 4 complete waves pass a fixed point in 10 seconds?
A: 0.25 s
B: 0.40 s
C: 2.5 s
D. 4.0 s
The period of a wave is the time it takes for one complete wave to pass a fixed point. We are given that 4 complete waves pass a fixed point in 10 seconds.
To find the period, we can divide the total time by the number of complete waves: 10 seconds ÷ 4 waves = 2.5 seconds per wave
To determine the period of a water wave, we need to know how much time it takes for one complete wave to pass a fixed point. In this case, 4 complete waves pass in 10 seconds.
Step 1: Find the time it takes for one complete wave to pass.
Divide the total time (10 seconds) by the number of complete waves (4 waves).
10 seconds / 4 waves = 2.5 seconds
Step 2: Identify the corresponding answer choice.
The period of the water wave is 2.5 seconds, which corresponds to answer choice C.
Your answer: C: 2.5 s
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What information could you gather about a star if its light curve had multiple
symmetrical depths of varying sizes?
Answer:
When studying a light curve we can use that information to figure out what kind of object it is. By measuring the dip in brightness and knowing the size of the star, scientists can determine the size or radius of the planet.
Explanation:
The information that could be gathered about a star whose light curve has multiple symmetrical depths is ; The shape and surface variegation of the star
The light curves of a KBO ( moons and stars ) are measured as a rate of the brightness of a star in relation to time. therefore the study of the light curve having multiple symmetrical depths ( depth of brightness ) will give an information about the shape/size and the surface variegation of the star
Hence we can conclude that The information that could be gathered about a star whose light curve has multiple symmetrical depths is ; The shape and surface variegation of the star
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timing of excessive ultraviolet radiation and melanoma: epidemiology does not support the existence of a critical period of high susceptibility to solar ultraviolet radiation-induced melanoma
The existence of a 'critical period' early in a life characterized by high susceptibility to melanoma initiation due to excessive ultraviolet (UV) radiation has been suggested by various authors based on epidemiological findings from migration studies and some case-control studies.
Objective To compare the increase in melanoma risk due to excessive UV radiation between different periods in life.
We found a very similar upward gradient of melanoma risk in exposure categories related to the frequency of sunburns during both periods in life. More than five sunburns doubled the melanoma risk, irrespective of their timing in life.
The hazardous impact of sunburns seems to persist lifelong and thus activities concerned with melanoma prevention should be directed to the entire population rather than being focused only on younger age groups.
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frequency of sound determines its _____ measured in _____.
amplitude: amplitude of sound wave determines its _____ measured in _____.
Answer:
Loudness of sound is determined by its amplitude.
Loudness of sound is determined by its amplitude.The intensity or loudness of a sound depends upon the extent to which the sounding body vibrates, i.e., the amplitude of vibration. A sound is louder as the amplitude of vibration is greater, and the intensity decreases as the distance from the source increases.