Answer:
A) 75m
Explanation:
distance = speed x time taken
Here given:
speed: 15 m/s
time: 5 second
So, distance covered:
15 x 5
75 m
Distance
Speed×Time15(5)75mWhat is the surface area for a rectangular prism with the height of 6 inches, width of 8 inches, and the length of 4 inches
Answer:
208 is the surface area!
Explanation:
Hope this helps! ;-)
If you touch a conductor through which electricity flows with an insulator, will you receive a shock? Explain.
If you touch a conductor through which electricity flows with an insulator, the likelihood of receiving a shock depends on several factors, including the voltage and current of the electrical source, the amount of insulation present, and how well the insulation is able to insulate from the electricity.
Insulators are materials that do not conduct electricity and are commonly used to provide a barrier between humans and electrical conductors to prevent electrical accidents. When an insulator is used to touch a conductor through which electricity flows, the insulator acts as a barrier and prevents the current from flowing through the material and into the body.
However, if the insulation is inadequate or damaged, or the voltage of the electrical source is high enough to overcome the insulating properties of the material, a shock can occur. The shock occurs when the current passes through the body, causing damage to organs, muscles, and nerves.
Therefore, it is important to ensure that proper insulation practices are followed when working with electrical conductors, and to use insulation materials that are sufficient to protect against the voltage and current levels of the electrical source being used. Generally, it is recommended to avoid touching electrical conductors altogether, as the risk of electrical accidents is always present.
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No, you will not receive a shock if you touch a conductor through which electricity flows with an insulator. An insulator is a material that does not conduct electricity, meaning it does not allow the flow of electric current.
It has high resistance and acts as a barrier, preventing the transfer of electrons. Therefore, when you touch a conductor with an insulator, the insulator acts as a protective layer that blocks the flow of electric current and prevents it from reaching your body. As a result, you will not experience a shock. However, it is important to note that the effectiveness of the insulator in preventing a shock depends on its quality and condition. If the insulator is damaged or has a low resistance, it may not provide adequate protection, and there is a risk of electric shock. Additionally, it is crucial to follow safety protocols and avoid touching conductors or working with electricity unless you are trained and have the necessary knowledge and equipment to do so safely.
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a ground-fault circuit interrupter shuts down a circuit if it?
a. melts.
b. senses an overload.
c. senses unequal currents.
d. senses moisture
Explain what happens to plasma osmolarity when you give a severely dehydrated person large amounts of pure water.
Plasma osmolarity increases when you give a severely dehydrated person large amounts of pure water.
What is plasma osmolarity?The electrolyte–water balance of the body is measured by plasma osmolality. This amount can be determined in a variety of ways, including measurement and computation.
Osmolality and osmolarity are two separate measurements that are used interchangeably in everyday situations.
When you are dehydrated, osmolality rises, and when you have too much fluid in your blood, it drops.
The way your body regulates osmolality is unique. When your body's osmolality rises, your body produces antidiuretic hormone.
Hence,plasma osmolarity increases when you give a severely dehydrated person large amounts of pure water.
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An athlete wants to refill an old punching bag used for training, as shown in the picture. When refilled, the bag will rip if it is kicked with too much force
The maximum force that the athlete exerts on the bag is NEGATIVE 1,500 N and in the OPPOSITE DIRECTION of the force that the bag exerts on the athlete.
Newton's third law of motionNewton's third law of motion states action and reaction are equal and opposite. That is the force applied to an object is equal in magnitude to force experienced by the object but in opposite direction.
From the given question, when the bag exert a certain on the athlete, the athlete also exerts similar force to the bag but in opposite direction.
Thus, the complete sentence is as follows;
The maximum force that the athlete exerts on the bag is NEGATIVE 1,500 N and in the OPPOSITE DIRECTION of the force that the bag exerts on the athlete.
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HELP PLEASE
A bicyclist travels 10 km in half an hour then rests for half an hour, then travels 50 km in three hours. What was the bicyclist’s average speed over the entire trip?
How long would it take an object traveling 12 m/s to go 60 m?
If a car travels 60km/hr, how long would it take the car to travel 300km?
answer:
Xi + Xf =10km+30km=60km[tex] v \times \frac{x}{t} [/tex]Pls Help me .
The finger-like outgrowths of Amoeba helps to ingest food. However, the outgrowths of human intestine help to
(a) digest the fatty food substances (b) make the food soluble
(c) absorb the digested food (d) absorb the undigested food
(c) absorb the digested food
Explanation:
It is called villi' in case of human beings.. That's it..
The finger-like outgrowths in the human intestine are called villi, and their main function is to absorb the digested food. Therefore, the option is (c) absorb the digested food.
What is the function of villi in human ?The villi in the human intestine increase the surface area for absorption, allowing for more efficient uptake of nutrients from the digested food. They contain blood vessels and lymphatic vessels that absorb nutrients such as sugars, amino acids, and fatty acids. The nutrients are then transported to the liver and other parts of the body for use.
The function of villi in humans is to increase the surface area of the small intestine, which allows for more efficient absorption of nutrients from digested food.
Villi are finger-like projections that line the walls of the small intestine, and they are covered in tiny microvilli that further increase the surface area. The villi contain blood vessels and lymphatic vessels that absorb nutrients such as sugars, amino acids, and fatty acids from the digested food.
These nutrients are then transported to the liver and other parts of the body for use. Without villi, the surface area of the small intestine would be much smaller, and the body would not be able to absorb nutrients as efficiently. Hence, option C is correct.
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According to Einstein's equation, if 3 kg of mass "disappears" during a
reaction, then
A. 5.4 x 1018. J of energy is produced.
OB. the law of conservation of momentum is also violated.
OC. 9 x 108 J of energy is produced.
D. 2.7 x 1017 J of energy is produced.
HELP NOW
The 2.7 x 10^17 J of energy is produced when 3.0 kg mass disappears.
What is the energy produced when 3 kg of mass is converted to energy?According to Einstein's equation, the energy produced when mass is converted to energy is proportional to the mass of the substance.
The Einstein equation is given as:
[tex]E = mc^{2}[/tex]
Mass = 3 kg
c = 3.0 × 10^8
[tex]E = 3 × (3.0 × 10^{8})^{2} = 2.7 \times 10^{17}[/tex]
Therefore, 2.7 x 10^17 J of energy is produced when 3.0 kg mass disappears.
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Which layer of the sun can easily be viewed by visible light?.
a) The velocity of a moving body is t2 - t metres per second after a time of t seconds. Find the displacement of the body at the end of 12 seconds if the initial velocity is 0 metres per second.
Explanation:
The integral of a velocity versus time function is a displacement versus time function
So we integrate,
[tex] {t}^{2} - t[/tex]
The integral of that is
[tex] \frac{1}{3} {t}^{3} - \frac{ {t}^{2} }{2} [/tex]
Plug in 12 for t,
[tex] \frac{1}{3} (12 {}^{3} ) - \frac{12 {}^{2} }{2} [/tex]
[tex]576 - 72 = 504[/tex]
So the displacement is 504 meters to the right.
vf = 12² - 12 = 132 m/s
a = vf' = 2t-1
at t =12 s,
a = 2(12)-1 = 23 m/s²
vf²=vi²+2ad (vi=initial velocity=0)
vf²=2ad
132² = 2 x 23 x d
d = 378.78 m
Kelly walks 5 km to school. It takes her 1.5 hours. Calculate her speed in m/s
A 2.2kg mass is at the origin. A 4.66kg mass is 3m to its right, and another 4.66kg mass is 3 m to its left. What is the net gravitational force on the 2.2kg mass?
Answer:
zero
Explanation:
The gravitational force between two masses is jointly proportional to the masses and inversely proportional to the square of the distance between them. The constant of proportionality is the universal gravitational constant.
__
In this scenario, the force to the right is matched by an identical force to the left from an identical mass at an identical distance. The magnitudes of the forces are equal, and their directions are opposite. The forces cancel.
The net force on the 2.2 kg mass in the center is zero.
Write One paragraph to discuss how you can apply to real life what you have learned from the Scientific Investigation you have conducted?
My topic is What makes ice melt faster?
the hot sun
hi
Explanation:
when its sunny (always in my city) then put ice on the sun (not directly to the sun) but where the sun shines
If temperature is constant, the volume of a gas varies inversely as its pressure. A gas with a pressure of 150 pounds per square inch occupies a volume of 25 cubic feet. What is the constant of proportionality for this variation?.
If temperature is constant, the volume of a gas varies inversely as its pressure. The constant of proportionality for this variation is 3750.
What is temperature?Temperature is the degree of hotness or coldness of the object.
According to the ideal gas law, pV =nRT
where, p=pressure of gas, V =volume of gas, n=number of moles of element of gas, R=Universal Gas constant and T =temperature
When the temperature is constant,
PV =constant =k
k = 150x 25
k = 3750
Thus , the constant of proportionality is 3750.
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Calculate the value of C2 in the circuit below, if C1 = 33 F and Ctotal = 58 F.
The value of capacitor C2 in the given parallel circuit arrangement of the capacitors is 25 F.
Capacitance of the circuit
The capacitance of the circuit is calculated as follows.
Assuming a parallel circuit arrangement for the capacitors;
C(total) = C1 + C2
58 F = 33 F + C2
C2 = 58 F - 33 F
C2 = 25 F
Thus, the value of capacitor C2 in the given parallel circuit arrangement of the capacitors is 25 F.
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If the students shake their slinky so that the frequency of the waves they generate decreases, what will happen to the wavelength of the slinky
When a potassium atom forms an ion, it loses one electron. what is the electrical charge of the potassium ion? −2 −1 1 2
The electrical charge of a Pottasium ion that loses one electron is +1. Details about charge of an ion can be found below.
How is the charge of an ion formed?An ion is an electrically charged atom. This charge is formed as a result of the difference between the number of protons and electrons in that atom.
According to this question, a potassium atom forms an ion by losing one electron. This means there will be one more proton than electron in the element.
Therefore, the electrical charge of a pottasium ion that loses one electron is +1.
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How much does a 200 kg car weight?
Answer:
22 kgs
Explanation:
440.925 pounds if thats what you mean but kgs is the weight system for everyone but america
The amount an object weighs depends on the presence of —.
Answer:
The weight of an object is dependent upon the value of the acceleration of gravity.
Which components of static electricity does a photocopier use?
ex. charging by conduction, friction, etc
Answer:
For a photocopier to work, a field of positive charges must be generated on the surface of both the drum and the copy paper. These tasks are accomplished by the corona wires. These wires are subjected to a high voltage, which they subsequently transfer to the drum and paper in the form of static electricity.
The time required by 1KW heater to raise the temperature of 10 liters through 10 degree selsius is in the of 5 m
The time required by the 1 KW heater to raise the temperature of 10 L of water is 418.4 s
Data obtained from the questionPower (P) = 1 KW = 1000 WVolume of water = 10 LMass of water (M) = 10 × 1000 = 10000 gChange in temperature (ΔT) = 10 °C Specific heat capacity (C) = 4.184 J/gºC Time (t) = ?How to determine the timeQ = MCΔT
Q = Pt
Pt = MCΔT
Divide both sides by P
t = MCΔT / P
t = (10000 × 4.184 × 10) / 1000
t = 418.4 s
Complete question
What time is required for a 1kw heater to raise the temperature of 10 liters of water to 10 degree Celsius?
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Students design an experiment to determine how much force is needed to move blocks of wood of different masses slowly across a lab table.
Which procedure should students include in their design?
A. conduct 5 trials, using a different scale to pull each block of wood
B. conduct 5 trials, pulling a different side of each block each time
C. conduct 5 trials, using a different table for each trial
D. conduct 5 trials, pulling each block of wood in the same way for each trial
Can someone please answer this, ill give you brainliest Would be very appreciated.
Solution: Expansion
Explanation:
When we put a glass bottle in the freezer, the volume of water is supposed to expand causing high surface tension leading to the glass to crack. As the volume of water increases, there is less space for the water to fit in.
Answer:
Expansion
Explanation:
According to boyles law
P is indirectly proportional to VAccording to gay lussac's law
P is directly proportional to TIn freezer
T decreases so P decreasesHence V increases
a car is traveling at 20 m/s and speeds up to 35 m/s in 5 seconds. what is the cars acceleration?
This is a Uniformly Accelerated Rectilinear Motion exercise.
We obtain the following data:
Vo = 20 m/s, Vf = 35 m/s, t = 5, a = ¿?
To calculate the acceleration, subtract the final velocity minus the initial velocity, divided by the time.
a = Vf - Vo / t
a = 35 m/s - 20 m/s / 5 s = 3 m/s².Greetings
Which type of energy is most important when considering the heating and cooling of a building?
A. thermal energy
B. chemical energy
C. potential energy
D. electrical energy
Heating and cooling are the kind of energy. The most important energy when considering the heating and cooling of a building is thermal energy. The correct option is A.
What is energy?Energy is the ability to do work.
The temperature of building is increased or decreased due to the season changes. This heating or cooling is a type of energy related to thermal.
Thus, the most important energy when considering the heating and cooling of a building is thermal energy. The correct option is A.
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if a stone falls vertically downward from a roof 20m above the ground to a behicle 2m above the ground, the car is known as the________
White light is passed through a filter that only allows only yellow, green and blue light to pass through onto a piece of blue fabric. what color does the fabric appear to have under this light?
a.
red
c.
blue
b.
green
d.
black
Answer:
White light contains yellow, green, and blue - only the blue light will be reflected giving the blue color.
So the green and yellow light thru the filter will not be reflected and the fabric will still appear blue.
blue is correct
What is an example of an analogue signal?
Examples of analog signals are Human voice, Thermometer, Analog phones etc.
What is signal?Signal is defined as an electromagnetic wave that carries information through a medium. In this, the data is converted into electromagnetic signal which may be analog or digital and then sent from sender to receiver.
Signal which are continuous as time varies are analog signals.
Thus, examples of analog signals are Human voice, Thermometer, Analog phones etc.
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Answer:
Examples of analog signals are Human voice, Thermometer, Analog phones etc. Examples of digital signals are Computers, Digital Phones, Digital pens, etc.
PLEASE HELP ME I ATTACHED A SCREEN SHOT PLS SOLVE ASAP
Answer:
B. Negative acceleration means this car is slowing down.
Explanation:
for the other screenshot
Average acceleration = change in velocity /change in time.
[a = ∆V/∆t] —this the formula.
NOTE:
u = initial velocity (velocity it started with)
v = final velocity (velocity it ended with)
t = time {the time you were given)
a = acceleration.
listing out our givens:
u =o —(the unit is m/s)
v = 40 —(the unit is also m/s)
t = 0.08 —(the unit is s) "s" means second(s).
Soo
a = 40-0 / 0.08 = 500 m/s² ( unit for velocity is m/s²)
( Remember when using the formula we subtract the initial from the final velocity.........I mean we remove the initial from final) if not you will get a negative answer or wrong answer).
also note: final velocity is always bigger in value than initial velocity EXCEPT it is in deceleration meaning for example a car that was speeding is gradually stopping then initial (the one it started with) will be bigger than the one it ended with (because as it gradually stops the speed reduces).
VELOCITY is speed in a specified direction.
you're super free to ask any questions
Good luck ✅.
Line segment gj is a diameter of circle l. angle k measures (4x 6)°. circle l is inscribed with triangle g j k. line segment g j is a diameter. line segments g k and k j are secants. angle k has a measure of (4 x 6) degrees. what is the value of x? 21 24 32 44
The value of x in the given right triangle in a semicircle is determined as 21.
What is the measure of a triangle in a semicircle?The triangle in a semicircle is always a right angle triangle.
From the figure shown, we can say that the triangle G J K is right triangle and m<K = 90degrees.
Given that m<K = 4x + 6, we will can use the following equation to find the value of x as shown:
4x + 6 = 90
4x = 90 - 6
4x = 84
x = 21
Thus, the value of x in the given right triangle in a semicircle is determined as 21.
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