Force on the particle is defined as the application of the force field of one particle on another particle. the electrical force between q₁ and q₃ will be –1. 1 × 10¹¹ N.
What is electric force?Force on the particle is defined as the application of the force field of one particle on another particle. It is a type of virtual force.
The electric force in the second case will be the same as in the first case. Therefore the force on the particle will be the same.
[tex]\rm F= K\frac{q_2q_3}{r^2}[/tex]
[tex]\rm F= 9\times 10^9 \times \frac{1.6 \times 10^{-13}\times 1.6\times10^{-13}}{(0.5)^2}[/tex]
[tex]\rm F= - 1. 1 \times 10^{11 }N[/tex]
Hence the electrical force between q₁ and q₃ will be –1. 1 × 10¹¹ N.
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1. A dolphin swims at a speed of 1.8 km/h. How far has the dolphin traveled after 5 hours?
2. How long will it take Michael to run a 100 m distance, if his speed is 7 m/s?
3. Tina was asked by her mother to buy milk in a sari-sari store. Her road map was given as follows: 10 m East, 20 m North 10 m West. What is her average speed in m/s, if it took her 8 minutes to reach the store? What is her average velocity?
4. John and Michael took a 10-minute walk along a straight road to a barbershop 500 meters away, What is their average speed?
5. In a fun run, Cherry is running at a speed of about 5 m/s. How many minutes will it take her to travel a distance of 1 km?
6. A jeepney is traveling at a speed of 20 km/h along a straight highway. How far did it travel after 0.5 h?
7. Karen drives her car going to work. At the start of the trip, the initial reading on the odometer is 3510 km. Upon arriving at her workplace, the odometer reads 3600 km. The trip took her 1.5 h. What is the car's average speed in km/h?
8. Carlos and her friend Mia traveled 40 km from Manila to Laguna to buy plants for their garden at school. After buying, they drove straight back to Manila. What is their average velocity, if the round trip took them 3 hours?
9. The ferry boat traveling along Pasig river has an average speed of 12 km/h. How long will a passenger reach her destination, if it is 5 km away from the station?
10. Philip, a football player runs a pass route that takes a right angle bend as shown in the diagram below. Which do you think will have the greater magnitude; the average speed or the average velocity? Why?
Answer:
all these questions for just 5 points.
An object of mass 2 kg rests on the floor, as shown in the picture. A force of 45 N, making an angle of 60° to the vertical, is applied
to move the object. What is the acceleration of the object in the horizontal direction?
Answer:B
Explanation:
I just did that
Andy took a bus and then walked from his home to downtown. For the first 1.6 hour, the bus drove at an average speed of 15 km/h
1.6x15=24
0.4x4.5=1.8
24+1.8=25.8
1.6+0.4=2
25.8/2=12.9
Answer:
1.6x15=24
=0.4x4.5=1.8
=24+1.8=25.8
=1.6+0.4=2
=25.8/2=12.9
HELP QUICK PLEASE! :)
The vector diagram below represents the horizontal
component, Fh, and the vertical component, Fy, of a
24-newton force acting at 35° above the horizontal.
1
ח.
24 N
35°
FH
What are the magnitudes of the horizontal and vertical
components?
Oo
FH = 4.9 N and Fy 3.5 N
FH = 3.5 N and Fy = 4.9 N
Oь
Oc
FH = 20. N and Fy = 14N
Od
FH = 14 N and Fy = 20. N
Answer:
C
Explanation:
This is a simple trigonometrical problem
FH=cos(35)*24=19.66
FV=sin(35)*24=13.77
Hope this Helps
The magnitudes of the horizontal and vertical components will be FH = 20. N and Fy = 14N. Option C is correct.
What is a vector?A vector is a quantity or phenomena with magnitude and direction that are independent of one another. The phrase also refers to a quantity's mathematical or geometrical representation.
If no vector can be written as a linear combination of the others, a set of vectors is said to be linearly independent.
Given that 24-newton force acting at 35° above the horizontal.
The given force is resolved as;
[tex]\rm F_H=24cos(35)^0=19.66\\\\ F_V=24sin(35)=13.77[/tex]
The magnitudes of the horizontal and vertical components will be FH = 20. N and Fy = 14N.
Hence,option C is correct.
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Why do you build up a static charge when you rub your shoes across the carpet?.
The rubbing of certain materials against one another can transfer negative charges, or electrons. For example, if you rub your shoe on the carpet, your body collects extra electrons.
how long does it take a car to come to a complete stop if it is going 30 m/s and can accelerate at a rate of -6 m/s²?
Answer: t=10s
Explanation:
v=u+at
⟹0=30+(−3)×t
⟹0=30−3t
⟹3t=30
⟹t=303
⟹t=10s.
What I Know True or False. Read each statement carefully. Identify whether the statement is true or false. Write your answer on a separate sheet of paper. 1. Carbohydrates contain carbon. 2. Meat contains protein. 3. Lipids are soluble in water. 4. Proteins are made up of nucleotides. 5. DNA is a nucleic acid. 6. Sucrose is a disaccharide. 7. Starch is composed of many glucose units. 8. Fructose is also known as blood sugar. 9. Keratin is easily dissolved in water. 10. Proteins are made up of nucleotides. 11. The heme group of hemoglobion contains iron. 12. A nucleotide has three parts: nitrogenous base, sugar, and phosphate group. 13. DNA has a double-helix structure. 14. Triglyceride is a protein. 15. Generally, unsaturated fatty acids remain solid at room temperature,
Answer:
1. False
2. True
3. True
4. True
5. True
6. False
7. True
8. False
9. False
10. True
11. True
12. True
13. True
14. True
15. True
__________ is the most common type of stretching.
Answer: static stretching
Explanation:
e.g rubberband
Answer:
static stretching
Explanation:
is KBr a covalent or ionic compound
Answer:
Ionic Compound
Explanation:
To identify the type of chemical bond in a molecule, look at the atoms that make up the compound. If there are two nonmetals, it is a covalent bond. If the two atoms are metals, it is a metallic bond. If one atom is a metal and the other is a nonmetal, it is an ionic bond. Ionic compounds are also known as salts. You can identify KBr as an ionic compound because potassium is a metal and a salt.
Hope this helps
Ionic Compound
KBr ( Pottasium Bromide ) .
Ionic compounds are also known as salts.
KBr as an ionic compound because Pottasium is a metal and Bromine is a non metal . KBr is an ionic compound due to the type of bonding that occurs between the two elements - an electrostatic attraction between the two ions.Hi, please help me I need help.
Explanation:
Trains that use magnetic levitation (maglev) are suspended above the track, which greatly reduces friction from the rails and allows the trains to travel between 250 and 300 miles per hour! Magnetic levitation uses attractive and repulsive magnetic forces to suspend and control the speeds and motion of the trains.
The temperature below which magnetic material can retain a permanent magnetization is called the ________. Group of answer choices Bullard point Darcy temperature Vine temperature Curie point
Answer: Your answer is D. Curie point
Hope this helps!
vehicles equipped with disc brakes incorporate a mechanically operated drum-style parking brake in the center of the rear disc brake rotors, commonly called a
Vehicles equipped with disc brakes incorporate a mechanically operated drum-style parking brake in the center of the rear disc brake rotors, commonly called a top hat parking brake.
What is top hat parking brake?
The top hat drum style of parking brake system is called the top hat rotors because of how big the middle part is compared to regular rotors.
In this type of parking brake system, the vehicle is equipped with disc brakes which incorporate a mechanically operated drum-style parking brake in the center of the rear disc brake rotors.
Thus, vehicles equipped with disc brakes incorporate a mechanically operated drum-style parking brake in the center of the rear disc brake rotors, commonly called a top hat parking brake.
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Phenomena that Occur on the Surface of the Sun
please help me asap. and please label it. thank youuu !
Answer:
solar wind
radio wave plux
solar flares
coronal mass ejections
coronal heating
Next question do you prefer online or in-person school I give Brainliest
Answer:
I prefer online because I get social anxiety and I have seizures and ptsd episodes, so I'd just much rather be online
a car is moving at 30.0 km/h when it accelerates at 2.0 m/s for 3.6 s. what is the car final speed?
Answer:
wrong question
Explanation:
unit of acceleration is written in m/s which is wrong
The final velocity of the car which is moving with the initial velocity of 30km/h is 15.53m/s.
What is Acceleration?Acceleration of an object is the rate of change in the velocity of an object. It depends upon the initial and final velocity of an object. It is a vector quantity because it has both magnitude and direction. The SI unit of acceleration is meter per second square.
a = (v-u)/ t
v = u + at
u = 30 × 1000/ 3600 = 8.33m/s
a = 2.0m/s²
t = 3.6 seconds
v = u + at
v = 8.33 + 2.0 × 3.6
v = 8.33 + 7.2
v = 15.53m/s
Therefore, the final velocity of the car is 15.53m/s.
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Arrange the rock layers from oldest to youngest. Reexamine the rock outcrops if you need to. Record the order in the
Student Guide.
TOOLS
youngest
Breccia
Conglomerate
Age
Dolostone
Shale
oldest
Answer:
from top (youngest) to bottom (oldest) -
Conglomerate
Brecca
Shale
Dolostone
Explanation:
got it wrong from the person above and then it said this the right answer lol.
The oldest rock layer among the given options is shale then it is dolostone and then conglomerate and the youngest rock layer is Breccia.
What is sedimentary rocks?Sedimentary rocks are formed from the sediments by river and ocean. These are developed over time by the action of wind and water. Sedimentary rocks are deposition or accumulation or minerals on the earth surface.
There are different types of rock layers based on the minerals present, age and formation.Shale rock is a clastic sedimentary rock formed flakes of clay minerals.
Conglomerate rocks is another clastic rock containing round clasts of more than two millimeters in diameter. Dolostone or dolomite is limestone and breccia is a mineral cement with fine sharp angled fragments.
The oldest among this is shale and the order for others from oldest to youngest is dolostone, conglomerate and breccia.
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please help me find the answer to this!
Question: Only one circuit below will light the bulb. Which one will work?
1.) A
2.) B
3.) C
4. D
thank you!
Grade: 6
Subject: Science
Answer:
C
Explanation:
The base of the lightbulb should touch the positive end and also the negative end of the battery.
Wich part of the brian helps you keep balance so you don't fall flat on your face?
A.Pituitaly glad
B.Medlla obonhata
C.Cerebellum
D.spinal cord
Answer:
Cerebellum .
Explanation:
The Cerebellum is the part of the brain that controls your walking and balance. If you need any more help feel free to reach out!
A ball is gently dropped from a height of 30m. If its velocity increase uniform at the rate of 10m/s with what velocity will it strikes the ground ? After what time will it strike the ground?
Explanation:
Need to FinD :The velocity of the ball with strikes the ground.The time of the ball after which it strikes the ground.[tex] \red{\frak{Given}} \begin{cases} & \sf {A\ ball\ is\ gently\ dropped\ from\ a\ height\ of\ {\pmb{\sf{30\ m}}}.} \\ & \sf {Its\ velocity\ increase\ at\ the\ rate\ of\ {\pmb{\sf{10\ m/s^2}}}.} \end{cases}[/tex]
We know that,
The ball is dropped from the height of 30 m as stated in the question. Therefore, it will have a initial velocity of 0 m/s. The distance travelled by the ball will be 30 metres as the distance travelled by the ball is equal to the height of the tower and that is 30 metres.So, by using the third equation of motion, we will find out the final velocity of the ball.
[tex]\rule{200}{3}[/tex]
Therefore,
[tex] \sf \dashrightarrow {2as\ =\ v^2\ -\ u^2} \\ \\ \\ \sf \dashrightarrow {2 \times 10\ m/s^2 \times 30\ m\ =\ v^2\ -\ (0\ m/s)^2} \\ \\ \\ \sf \dashrightarrow {v^2\ =\ 600\ m^2/s^2} \\ \\ \\ \sf \dashrightarrow {v\ =\ \sqrt{600\ m^2s^{-2}}} \\ \\ \\ \dashrightarrow {\underbrace{\boxed{\pink{\frak{Final\ velocity\ (v)\ =\ 24.49\ m/s \approx 24.5\ m/s}}}}_{\sf \blue{\tiny{Required\ velocity\ of\ ball}}}} [/tex]
∴ Hence, the required final velocity of the ball with which it strikes the ground is 24.5 m/s. Since, we know that the initial velocity of the ball is 0 m/s and the acceleration of the ball is 10 m/s². So, by using the first equation of motion, we will find out the time of the ball after which it stikes the ground.
[tex]\rule{200}{3}[/tex]
Therefore,
[tex] \sf \dashrightarrow {v\ =\ u\ +\ at} \\ \\ \\ \sf \dashrightarrow {t\ =\ \dfrac{v\ -\ u}{a}} \\ \\ \\ \sf \dashrightarrow {t\ =\ \dfrac{24.5\ m/s}{10\ m/s^2}} \\ \\ \\ \dashrightarrow {\underbrace{\boxed{\pink{\frak{Time\ (t)\ =\ 2.45\ s}}}}_{\sf \blue{\tiny{Required\ time}}}} [/tex]
∴ Hence, the required time of the ball after which it strikes the ground is 2.45 seconds.
company has the goal of developing technology to remove carbon dioxide from the atmosphere its design team is making a model based on one possible solution to the problem which step of the engineering design process comes next
Answer:
Its testing the prototype
Explanation:
I just took the test on apex :)
Which is true of high resistance wires?
A. The longer the wire the higher the resistance.
B. The shorter the wire the higher the resistance.
C. The longer the wire the lower the resistance.
A block is at rest on a frictionless ramp that is elevated 22.0 degrees above the horizontal.
a)Determine the acceleration of the block as it slides down the ramp.
Answer:
3.67 m/s²
Explanation:
Draw a free body diagram. There are two forces on the object:
Weight force mg pulling straight down,
and normal force N pushing perpendicular to the plane.
Sum the forces in the parallel direction.
∑F = ma
mg sin θ = ma
a = g sin θ
a = (9.8 m/s²) (sin 22.0°)
a = 3.67 m/s²
A positive charge moving up enters a magnetic field pointing out of the screen. What is the direction of the magnetic force on the charge?.
Answer:
y5
Explanation:
The magnetic force is perpendicular to the velocity and the magnetic field. The direction of the magnetic force can be determined using the right-hand rule, putting the fingers of the right hand in the direction of the velocity and curl your fingers or roll them in the direction of the magnetic field. The thumb gives the direction of the magnetic force. If the charge is negative, the direction of the force is opposite to the result obtained using the right-hand rule.
The direction of a moving charge's magnetic field lines is always perpendicular to the plane created by velocity and magnetic force.
If the positive charge is moving upwards the corresponding current is also upwards, the magnetic field is towards the south.
What is magnetic force ?"Magnetic force, attraction or repulsion that arises between electrically charged particles because of their motion. It is the basic force responsible for such effects as the action of electric motors and the attraction of magnets for iron."
What is magnetic field ?"The magnetic field is the area around a magnet in which the effect of magnetism is felt. We use the magnetic field as a tool to describe how the magnetic force is distributed in the space around and within something magnetic in nature."
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In a science lab, Cash mixes two clear liquids together in a beaker. Bubbles are produced, and a white solid forms and settles to the bottom. He plans to heat the beaker over low heat and make more observations.Which statement is most likely correct? A physical change occurred, so if Cash heats it, the white solid will dissolve to form the original mixture of clear liquids. A physical change occurred, so even if Cash heats it, the white solid will remain. A chemical change occurred, so if Cash heats it, the white solid will dissolve to form the original mixture of clear liquids. A chemical change occurred, so even if Cash heats it, the white solid will remain.
Answer:
A chemical change occurred, so even if Cash heats it, the white solid will remain
Explanation:
There are two types of changes that occur in Chemistry viz; physical change and chemical change. Physical changes are those changes do not involve any change in the chemical composition of the substances involved while a chemical change involves a change in chemical composition.
In a chemical change, there are characteristics signs such as formation of gaseous bubbles, solid precipitates etc. as the information in this question depicts. According to this question, Cash mixes two clear liquids together which results in the formation of bubbles and a white solid that settles at the bottom. Hence, THIS REPRESENTS A CHEMICAL CHANGE
Most chemical changes are usually irreversible i.e. they don't return to their original form. Hence, even if Cash heats it, the white solid will remain.
Answer:
A chemical change occurred, so even if Cash heats it, the white solid will remain
Which force is responsible for determining the shapes of galaxies?.
Answer:
Gravity
Explanation:
Gravity is what causes stars to form. During accretion, gravity pulls matter into a core, which can be a star, planet or black hole.
how does a aircraft become charged as it fly
Answer:
Precipitation static is an electrical charge on an airplane caused by flying through rain, snow, ice, or dust particles. Charge also accumulates through friction between the aircraft hull and the air. When the aircraft charge is great enough, it discharges into the surrounding air.
Explanation:
I hope this helps!
The long distance water movement, from roots up to leaves, of the water transport in large plants depends on one unique property of water. Water's unique property of ______________ allows water molecules to stick together so they can be pulled upward by the force of transpiration.
Answer:
cohesion and adhesion property of water
Explanation:
Water - the universal solvent with many unique properties. According to the given question, one of the unique properties of water that can be the best answer to the question is the property of cohesion and adhesion of water.
Therefore, the long distance water movement, from roots up to leaves, of the water transport in large plants depends on one unique property of water. Water's unique property of cohesion and adhesion allows water molecules to stick together so they can be pulled upward by the force of transpiration.
a) On which hemisphere does Bhutan lie on the earth?
Answer:
Northern Hemisphere
Explanation:
The latitude of Bhutan is 27.5142° N, placing the country in the northern hemisphere above the equator
Calculate the number of moles in 44 g of iron sulfide.
Relative atomic masses
(4): Fe = 56, S = 32
Answer:
2 moles
Explanation:
please mark me as brainlest
The mass of one mole of iron sulphide is 88 g. Then the number of moles in 44 g is 0.5 moles.
What is one mole ?One mole of a substance is its amount which contains 6.022 × 10²³ atoms. This number is called Avogadro number. One mole of every element contains Avogadro number of atoms.
Similarly one mole of every compound contains Avogadro number of molecules. The mass of one mole of a compound is called its molar mass.
Atomic mass of Fe = 56 g/mol
atomic mass o S = 32 g/mol
molar mass of FeS = 56 + 32 = 88 g/mol
Mass of one mole of iron sulphide (FeS) is 88 g. Hence number of moles in 44 g is :
no.of moles = given weight/molar mass
= 44 g /88 g/mol = 0.5 mol
Therefore, the number of moles of FeS in 44 g is 0.5.
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True or False:
Solids always
have a higher density than
liquids and gases.
Answer:
False I hoped this helpful for you....Thank you ☺️☺️
Answer:
True.
Explanation:
This is because the solid particles are very close to each other due to strong intermolecular force attraction between them.