Answer:
Explanation:
impulse is a sudden force or desire — this could be an electrical impulse, or an impulse to get some pizza.
If you act on a sudden feeling or thought, you’re following an impulse.
That's like a whim: an impulse isn't something you've given a lot of thought. Another meaning of impulse is an electrical charge or pulse. Electrical impulses are coursing through wires all through your house every day. Both kinds of impulses make things happen. The electrical impulse keeps the refrigerator going, and then you have an impulse to eat all the ice cream in the fridge.
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If a bat exerts a 350N rightward force on a
baseball, how much force is the baseball exerting
on the bat?
Answer:
350N
Explanation:
According to Newton's 3rd law of motion, 2 objects that interact experience an equal and opposite force on each other. So if the bat exerts 350N of force on the baseball, the baseball must exert 350N on the bat.
This, in case you were interested, is what causes the recoil of the bat.
What property of light shown in the picture?
Rectilinear motion of light is shown in picture. The wavelengths of light that are visible to humans fall into a relatively small range within that wide spectrum.
What is light?Electromagnetic radiation that the human eye can detect as light. From radio waves with wavelengths measured in meters to gamma rays with wavelengths shorter than roughly 1 1011 meter, electromagnetic radiation occurs throughout a very broad range of wavelengths.
The wavelengths of light that are visible to humans fall into a relatively small range within that wide spectrum, ranging from about 700 nanometers (nm; billionths of a meter) for red light to roughly 400 nm for violet light. Infrared and ultraviolet are two spectral bands that are close to the visible region and are repeatedly alluded to as light as well. Rectilinear motion of light is shown in picture.
Therefore, rectilinear motion of light is shown in picture.
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Which guideline best reflects how private information should be protected when using social networks? All social media users are screened and safe to engage with. Protect your private information by setting your account to private and only adding people you actually know. Only share your passwords with close friends that you trust. It is safe to share personal information with companies on social networking sites.
Answer:
hescorrect i just took the test and that was the awnser
Explanation:
if u need i can give the other awnsers
Answer:
(A. 1.) Protect your private information by setting your account to private and only adding people you actually know.
Explanation:
A point charge q1 = -8.9 μC is located at the center of a thick conducting shell of inner radius a = 2.8 cm and outer radius b = 4.1 cm, The conducting shell has a net charge of q2 = 2.2 μC.
1)What is Ex(P), the value of the x-component of the electric field at point P, located a distance 8.5 cm along the x-axis from q1?______N/C.
2)What is Ey(P), the value of the y-component of the electric field at point P, located a distance 8.5 cm along the x-axis from q1?__0__N/C.
3)What is Ey(P), the value of the y-component of the electric field at point P, located a distance 8.5 cm along the x-axis from q1?______N/C
4)What is Ey(R), the value of the y-component of the electric field at point R, located a distance 1.4 cm along the y-axis from q1?_______N/C
5)What is σb, the surface charge density at the outer edge of the shell?___C/m2
6)What is σa, the surface charge density at the inner edge of the shell?____C/m2
Answer:
1) Ex(P) = -8.34602 N/C
2) [tex]E_y(P)[/tex] = -5.23850174216 N/C
3) Question (3) is a similar question to (1)
4) [tex]E_y(P)[/tex] = -5.23850174216 N/C
5) [tex]\sigma _b[/tex] ≈ 1.041466 C/m²
6) σₐ ≈ 2.2330413 C/m²
Explanation:
The given parameter of the point charge located at the center of a conducting shell
The charge of the point charge, q₁ = -8.9 μC
The inner radius of the shell, a = 2.8 cm
The outer radius of the shell, b = 4.1 cm
The charge of the conducting shell, q₂ = 2.2 μC
Therefore, we have;
1) The point P(8.5, 0)
[tex]V = k \cdot \dfrac{q_1 + q_2 }{r^2}[/tex]
By plugging in the values, we have;
For
R₁ < R₂ < r, for the electric field at the point, 'P', we have;
[tex]E_x(P) = 9 \times 10^9 \times \dfrac{-8.9 \ \times 10^{-6} + 2.2 \ \times 10 ^{-6} }{(0.085 \ )^2} = -8.34602[/tex]
Ex(P) = -8.34602 N/C
2) For the point given with coordinates (8.5, 0), the distance of the y-component of point from the center = 0
The y-component of the electric field = 0 N/C
4) For r = 1.4 cm, along the y-axis we have;
R₁ < r < R₂
Therefore, we have;
[tex]E = k \cdot \left( \dfrac{q_1 }{r} + \dfrac{q_2}{R_2}\right)[/tex]
Substituting the values, we get;
[tex]E_y(P) = 9 \times 10^9 \times \left( \dfrac{-8.9 \times 10^{-6}}{0.014} + \dfrac{2.2 \times 10^{-6}}{0.041}\right) = -523850174216[/tex]
[tex]E_y(P)[/tex] = -5.23850174216 N/C
5) The charge density, [tex]\sigma _b[/tex], is given as follows;
[tex]\sigma_b = \dfrac{Q}{A} = \dfrac{2.2 \times 10^{-6} }{4\times \pi \times 0.041^2 } \approx 1.041466 \ C/m^2[/tex]
6) Similarly, we have;
[tex]\sigma_a = \dfrac{Q}{A_a} = \dfrac{2.2 \times 10^{-6} }{4\times \pi \times 0.028^2 } \approx 2.2330413 \ C/m^2[/tex]
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Calculate the missing variables using the necessary formula and rules using "FORCE"
A theme park ride carriage with a mass of 1 000 kg needs to be accelerated at 0.5 m/ s2 along a track. what force is required to move the carriage
Answer:
F = 500 N
Explanation:
F = m × a
F = 1,000 × 0.5
F = 500 kg m/s²
F = 500 N
The acceleration due to gravity on the moon is about 1.6 m/s. If you weigh 539N on earth, how much would you way on the moon.
Answer:
Weight = 88N
Explanation:
Given the following data;
Acceleration due to gravity on moon = 1.6m/s²
Weight on earth = 539N
To find the weight on moon.
First of all, we would calculate the mass;
Weight = mass * acceleration due to gravity.
We know that acceleration due to gravity on earth is equal to 9.8m/s²
Substituting into the equation, we have;
539 = mass * 9.8
Mass = 539/9.8
Mass = 55 kg.
Now, we solve for the weight on moon.
Weight = 55 * 1.6
Weight = 88N
Can anyone help me out with conservation of energy
Answer:
Whenever energy gets transformed, the total
energy remains unchanged. This is the law of
conservation of energy. According to this law,
energy can only be converted from one form
to another; it can neither be created nor
destroyed. The total energy before and after
the transformation remains the same.
If the change in velocity increases, what happens to the acceleration during the same time period?
O Acceleration decreases.
O Acceleration increases
O Acceleration becomes negative.
O Acceleration becomes steady
If the change in velocity increases, the acceleration during the same time period increases as well. The correct option is B.
What is electric current?Electric current is the flow of electric charge through a conducting material, such as a wire. It is measured in units of amperes (A), which represents the rate of flow of electric charge.
The standard definition of electric current is that it is the amount of electric charge passing through a given area of a conductor in unit time.
Mathematically, electric current is expressed as:
I = Q / t
Where
I = the electric current,
Q =the amount of electric charge that flows through a conductor,
t = the time interval during which the charge flows.
The unit of electric charge is coulombs (C), which represents the charge carried by a current of one ampere flowing for one second. So, one ampere of electric current represents a flow of one coulomb of electric charge per second.
Electric current is typically measured using an ammeter, which is a device that is inserted in series with a circuit to measure the current flowing through it. The ammeter is designed to have very low resistance, so it does not significantly affect the current flowing through the circuit being measured.
Here in the question,
If the change in velocity increases, the acceleration during the same time period increases as well. This is because acceleration is directly proportional to the change in velocity over time, as expressed by the formula:
a = (v_f - v_i) / t
Where
a = acceleration,
v_f = the final velocity,
v_i = the initial velocity,
t = the time interval during which the velocity changes.
If the change in velocity is greater, the numerator of the equation is larger, and therefore, acceleration is greater. Similarly, if the time interval is kept constant, an increase in velocity change leads to an increase in acceleration.
Therefore, when velocity increases the acceleration also increases.
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(ii) Electromagnetic waves transfer energy.
Give 6 examples of the transfer of energy by EM waves, 3 which are useful and 3 which are a nuisance.
Explanation:
6 examples
radio wave
infrared ray
visible light ray
ultraviolet ray
microwave
gamma ray
3 which are useful
infrared ray
radio waves
gamma ray
PLS HELP ASAP I NEED THIS BY TONIGHT
Answer:
woahhh
Explanation:
What is a warming sign that suggest a weight loss plan is a fad diet rather than a healthy weight loss plan?
Answer:
Warming signs before fad diet includes:
1. When a special type of diet is recommended for weight loss.
2. When quick weight loss is promised instead of advice on the need to exercise, eat healthy foods including fruits and vegetables, and adopt a good feeding behavior.
3. Promises rapid weight loss in a short period of time.
After taking the fad diet the following might be experienced:
1. Constipation.
2. Weakness and fatigue.
3. More accumulation of fats in the body in the long run after a short term normal BMI (Body mass index).
4. Lower metabolic rates over time.
Explanation:
weight loss is a practice adopted by people for various reasons ranging from the desire to stay healthy to, ability to pursue a career that requires a good Body Mass Index. For instance, A BMI (Body mass index) which is equal to a person's weight (kg) / (height(m))^2 of 30 and higher is considered obese.
Fad diet which may give a temporary result of weight loss is not considered totally healthy as it doesn't capture the need to eat a healthy balanced diet instead focuses on more routine consumption of a particular kind of diet.
A healthy weight loss plan captures the need to exercise, reduce body fats while eating healthy. Eating fruits, vegetables are also encouraged.
In a Harry Potter movie, there is a big pendulum in the Great Hall that goes back and forth once every 18.9 s. What is the length of the pendulum (if it obeys Physics instead of magic)? (Unit = m)?
Answer:
88.67
Explanation:
think this is right
Answer:
88.854
Explanation:
Sound waves are a type of compression wave. In a compression wave, we have areas of compaction and also areas of rarefaction. In
the areas of compression, particles are pushed together and in areas of rarefaction, particle spread apart. Sound waves are different
from light waves in several ways and one is in the type of wave. Light waves are transverse waves that have crests or peaks and
troughs or dips. Which model best shows us a light or transverse wave with very high crests and very low troughs?
Answer: C
Explanation:
The model which represents best of transverse wave with very high crests and low troughs is the third graph. Hence, option C is correct.
What is Sound?Sound is a physical perturbation from an equilibrium position that travels through an elastic medium of material. It is also possible to define sound solely subjectively, as that which is regarded by the ear, but this definition lacks clarity and is overly constrictive because it is useful to discuss sounds that are produced by devices other than the human ear, such as dog whistles and sonar hardware, which cannot be done here by the auditory system.
The characteristics of sound waves should be examined first in any study of sound. Transverse and longitudinal waves are the two fundamental forms of waves, and they differ by the direction wherein they move.
The first graph is uniform trough and crest, but the third one has higher crest but lower trough.
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If you push five times as hard against a non-moving wall, the amount of work you do
A) remains constant but non-zero.
B) doubles.
C) quadruples. OOOOoooooo
D) is cut in half.
E) zero.
Answer:
remains constant but non-zero
Explanation:
the force you apply will increase but in the question it stated a non-moving wall hence making it non- zero .
Answer:
j
Explanation:
Why don't we breathe when we talk?
Answer:
Because it’s imposible
There is a current of 2.95 A in one of the copper wires for 60 seconds. Calculate the charge flow through the wire.
Answer:
177 coulomb
Explanation:
Given data
I=2.95A
T=60
The relationship between current I and quantity of charge Q.
Q=IT
Substitute
Q=2.95*60
Q=177 coulomb
A bird weighing 200 g sits on a tree branch.
How much work does the bird do on the tree?
Answer:
i cant answer that question sorryyyyyyyyyyyy
Explain why gaps are left between railway lines
Answer:
The gaps left between successive rails on a railway track, the reason is that the rails expand in summer. The gap is provided to allow for this expansion. If no gap is left, the expansion in summer will cause the rails to bend sideways. That will result in train accidents
Answer:
The gaps left between successive rails on a railway track, the reason is that the rails expand in summer. The gap is provided to allow for this expansion. If no gap is left, the expansion in summer will cause the rails to bend sideways. That will result in train accidents.
I hope it's helpful!
Que se debe cumplir para que la tabla permanezca en equilibrio Es un balancin con dos niños el primero m1= 45kg el segundo m2=38kg Del centro a la izquierda existe una distancia de 160 CM Hallar la distancia del centro a la derecha
formula: m1 * d1 = m2 * d2
datos:
m1= 45 kg
d1= 160 cm
m2= 38 kg
d2= x
reemplazamos datos en formula:
45kg * 160cm = 38kg * d2
El 38 pasa al otro lado de la igualdad a dividir:
(45kg * 160cm) / 38 kg = d2
Resolvemos: (kg se cancela con kg, quedando solo los cm)
7200cm / 38 = d2
Resultado:
d2 = 189.5 cm
Respuesta: La condición que se debe cumplir es que la distancia del centro al niño de la derecha sea de 189.5cm
1
an optical block is related to:
1. Lateral displacement produced by a
Answer:
1. Compact units containing optical components such as bandpass filters and dichroic mirrors. For example, a low cost fluorescence or confocal microscope can be built by combining a laser, optical blocks, and microscope objective lenses.
2. The lateral displacement is directly proportional to the thickness of the glass slab. When the light enters a glass slab,the light rays are refracted. Now,the lateral displacement is the final distance between the incident ray and the emergent ray
B. What types of energy conversions took place in your body that allowed you to complete the laboratory activity
Answer:
See the explanation below
Explanation:
Energy can neither be created nor destroyed but can be transformed from one form to another.
When we eat food the chemical energy in the food is transformed to kinetic energy that enables us to do work in the laboratory
Heat energy always moves from a _ _ _ place to a _ _ _ _ _ _ place. The three methods of heat transfer are?
Plz help i need ASAP
Answer:Heat can travel from one place to another in three ways: Conduction, Convection and Radiation.
Explanation:
Acartravelingat15m/sstartstodeceleratesteadily.Itcomestoacompletestopin10seconds.Whatisit'sacceleration? a. 1500 m/s b. -1.5 m/s c. 1.5 m/s d. 150 m/s
Answer:
b. -1.5 m/s²
Explanation:
Given the following data;
Initial velocity = 15m/s
Time = 10 seconds.
Since the car came to rest, final velocity = 0m/s
To find acceleration;
In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.
This simply means that, acceleration is given by the subtraction of final speed from the initial speed all over time.
Mathematically, acceleration is given by the equation;
[tex]Acceleration (a) = \frac{initial \; speed - final \; speed}{time}[/tex]
[tex]a = \frac{v - u}{t}[/tex]
Where,
a is acceleration measured in [tex]ms^{-2}[/tex]
v and u is initial and final speed respectively, measured in [tex]ms^{-1}[/tex]
t is time measured in seconds.
Substituting into the equation, we have;
[tex] Acceleration, a = \frac{0 - 15}{10}[/tex]
[tex] Acceleration, a = \frac{-15}{10}[/tex]
Acceleration = -1.5 m/s²
Sound waves require a ________ to travel through
Answer:
sound Requires a medium in order to travel.
Answer:
medium
Explanation:
this is because sound waves need particles to transfer energy from one point to another
hope this helps
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Which question requires the collection of data to answer it?
A. Do dolphins make good pets?
B. How many hours a day do dolphins sleep?
C. Should dolphins be trained for military uses?
D. Are dolphins cuter than porpoises?
SUBMIT
Answer:
B
Explanation:
All the other ones are opinions or opinion based
The question that how many hours a day dolphins sleep requires the collection of data to answer it. Hence, option B is correct.
What are dolphins?Dolphins are small-toothed cetaceans that are distinguished by their always open, curving mouths. Every ocean contains one of the 36 dolphin species. The majority of dolphins are marine mammals that inhabit the sea or coastal environments with brackish water. However, there are a few species that live in freshwater streams and rivers, including the South Asian river dolphin and the Amazon River dolphin, or boto.
The orca, the biggest dolphin, can reach lengths of more than 30 feet. The Maui dolphin, which is the smallest, is only five feet long.
Dolphins mostly consume fish and squid, which they can locate via echolocation, an inbuilt sonar system that reflects sound waves off prey to disclose details about its location, size, and shape. Up to a thousand clicking sounds can be heard every second from an echo locating bottlenose dolphin.
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an airplane travels at 500 mph, how far will the plane travel in 2 hours?
Answer:
The answer is 1000m.
Explanation:
You have to apply distance formula, D = Speed × Time :
D = Speed × Time
D = 500 × 2
D = 1000 miles
Peter left town A at 13:30 and travelled towards town B at an average speed of 40mph. At 13:45 Philip left town A for town B at an average speed of 30 mph. What was the distance between them at 15:00?
Answer:
fbddb
Explanation:
dsbse
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s
What is the biker's momentum?
Answer:
[tex]375\ \text{kg m/s}[/tex]
Explanation:
[tex]m[/tex] = Mass of biker = [tex]75\ \text{kg}[/tex]
[tex]v[/tex] = Velocity of bike = [tex]5\ \text{m/s}[/tex]
Momentum is given by the product of mass and velocity so,
[tex]p=mv[/tex]
[tex]\Rightarrow p=75\times 5[/tex]
[tex]\Rightarrow p=375\ \text{kg m/s}[/tex]
The momentum of the biker is [tex]375\ \text{kg m/s}[/tex].
The biker's momentum will be "375 kg m/s".
Momentum and VelocityThe proportion or resultant of a subatomic particle mass as well as the speed. Momentum would be a vector quantity, which means it does have a magnitude and therefore an orientation or directions.
According to the question,
Biker's mass, m = 75 kg
Biker's velocity, v = 5 m/s
We know the relation,
Momentum = Mass × Velocity
or,
→ p = mv
By substituting the values, we get
= 75 × 5
= 375 kg m/s
Thus the above answer is correct.
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can someone help me please
Answer:
Time, I believe. Pretty sure it's time lol
Which two terms best describe the gravitational force?
strongest, repulsive
weakest, repulsive
strongest, attractive
weakest, attractive
Answer:
D. Weakest, Attractive
Explanation:
Gravitational Force is the weakest force out of the four forces, and Gravity attracts objects towards another so the answer has to be D.
Got this correct on Edge 2021.
Hope this helped!
Answer:
D
Explanation:
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