That all depends on the ANGLE between the two forces.
It can be anything from a minimum of 150N (if they point in exactly opposite directions) to a maximum of 400N (if they point in exactly the same direction).
What happens to the current in a circuit if a 1.5 volt battery
is removed and is replaced by a 9 volt battery?
Answer:
the current will improve in performance and tell me if im correct
Help quick (edge 2021)
What is the best description of a wave?
A) a pulse that carries energy
B) a disturbance that moves matter
C) a medium disturbed by a vibration
D) matter that is moved from one place to another
Answer:
a
Explanation:
Answer:
A) A pulse that carries energy
Explanation:
Edg.
When hit with a bat which ball will accelerate more?
A 2kg ball
A 15kg ball
A 10kg ball
A 5kg ball
4. A woman releases one egg every month for 37 years. Calculate how many
she releases in total. Show your working.
so, 444 eggs would have been released in 37yrs
If a woman releases one egg every month for 37 years, then she releases 444 eggs.
What is a year?A year is a unit of time that is commonly used to measure the period of time it takes for the Earth to make one revolution around the Sun.
The time it takes for the Earth to complete one orbit around the Sun is approximately 365.24 days, which is why a year is usually defined as 365 days, with an extra day added every four years (in what's called a leap year) to account for the fractional part of the year. This is known as the Gregorian calendar, which is the most widely used calendar system in the world.
A year is also commonly used to refer to the period of time it takes for an event or cycle to repeat, such as the school year, fiscal year, or a company's financial year.
There are 12 months in a year, and they are:
January
February
March
April
May
June
July
August
September
October
November
December
Each month has either 30 or 31 days, except for February which has 28 days (or 29 days in a leap year). The number of days in a month determines the number of days in a year, which is why a year typically has either 365 or 366 days, depending on whether or not it is a leap year.
Here in the question,
37 years is equivalent to 37 x 12 = 444 months (since there are 12 months in a year).
To calculate this, we simply multiply the number of eggs released each month (which is one) by the total number of months:
Number of eggs released = 1 egg/month x 444 months
Number of eggs released = 444 eggs
Therefore, over 37 years, a woman releases 444 eggs.
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How does understanding momentum help you in your daily life?
Answer:
It is an essential concept of physics. In sports momentum term is commonly used. Like, if a team has the momentum then it is on the move and is going to take some effort to stop. But if a team has lot of momentum then it is really on the move and is going to be hard to stop
Explanation:
Which two terms describe how waves of dim blue light are different from
waves of bright red light?
O A Lower amplitude
B. Higher amplitude
OC. Shorter wavelength
O D. Longer wavelength
Answer:
Although the two stimuli are very different in terms of composition, wave forms Two physical characteristics of a wave are amplitude and wavelength lower frequencies, and shorter wavelengths will have higher frequencies At the top of the figure, the red wave has a long wavelength/short frequency.
Heat waves from the sun will___
in all directions.
Answer:
hey u blocked me pliz unblock me yer
Answer: I think the answer is Radiate.
A block of metal of density 3000 kg/m3 is 2m high and stands on a square base of side 0.5 m. Calculate:
1.The area of the base of the block
2.The volume of the block
3.Mass of the block
4.Weight of the block
5.The pressure exerted by the block
Answer:
1) A = 0.25 m², 2) V = 0.5 m³, 3) m = 1500 kg, 4) W = 14700 N,
5) P = 58800 Pa
Explanation:
1) The area of the base is square
A = L²
A = 0.5²
A = 0.25 m²
2) The block is a parallelepiped
V = A h
V = 0.25 2
V = 0.5 m³
3) Density is defined
rho = m / V
m = rho V
m = 3000 0.5
m = 1500 kg
4) The weight of a body is
W = mg
W = 1500 9.8
W = 14700 N
5) The pressure is
P = F / A
in this case the force is equal to the weight of the body
P = 14700 / 0.25
P = 58800 Pa
(1) The area of the base of the block is 0.25 m².
(2) The volume of the block is 0.5 m³.
(3) The mass of the block is 1500 kg.
(4) The weight of the block is 14,700 N.
(5) The pressure exerted by the block is 58,800 N/m²
The given parameters;
density of the block, ρ = 3000 kg/m³height of the block, h = 2 mside of the base, b = 0.5 mThe area of the base of the block is calculated as follows;
[tex]A = 0.5 \ m \ \times 0.5 \ m\\\\A = 0.25 \ m^2[/tex]
The volume of the block is calculated as follows;
[tex]V = Ah\\\\V = 0.25 \times 2\\\\V = 0.5 \ m^3[/tex]
The mass of the block is calculated as follows;
[tex]\rho = \frac{m}{V} \\\\m = \rho V\\\\m = 3000 \times 0.5\\\\m = 1500 \ kg[/tex]
The weight of the block is calculated as follows;
[tex]W = mg\\\\W = 1500 \times 9.8\\\\W = 14,700 \ N[/tex]
The pressure exerted by the block is calculated as follows;
[tex]P = \frac{F}{A} \\\\P = \frac{14,700}{0.25} \\\\P = 58,800 \ N/m^2[/tex]
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what are phrasal verbs. please help will give brainliest
Answer:
In English traditional grammar, a phrasal verb is the combination of two or three words from different grammatical categories: a verb and a particle, such as an adverb or a preposition — to form a single semantic unit on a lexical or syntactic level. Examples: turn down, run into, sit up.
Explanation:
What happens when heavy exercise results in too much acid in the human body? Excess H+ is absorbed by bicarbonate ions.
Bicarbonate releases one H+ to become carbonate.
H2CO3 is formed from H2O and CO2.
Bicarbonate is formed from carbonate.
Answer:
A: Excess H+ is absorbed by bicarbonate ions.
Explanation:
define period in physics
What is the mass of an object going 25 m/s and has a momentum of 140
kg m/s?
Answer:
The answer would be 5.6 kg of a mass.
Explanation:
p= mv
m= p/ v
The explanation of that is:
momentum = mass× velocity
mass= momentum / velocity
Hope this helped!
What are the main differences between the manual, oscillate and pulse functions?
The main differences between the manual, oscillate and pulse functions are;
Manual function requires work when we move it. Oscillate function works with automation.The pulse function follow pulse of a heart rate is used for pushing the button.A pulse can be regarded as a signal processing which is is rapid, transient change in the amplitude of a signal from a baseline value to a higher or lower value.
The Oscillate function works with automation and it requires some automated system.
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Which one of these is not a physical charge
A melting and ice cube
B crushing a can
C chopping wood
D metal resting
Answer:
the answer is D metal resting
Explanation:
I just think that because if you treasure can that's physical charge by dropping where you create a physical charge melting and Ice Cube might be 1 but I feel like metal resting is more likely
What is another name for Newton’s first law of motion
Answer:
Law of Inertia
Explanation:
That's its other name
What do MRI and ultrasound have in common as diagnostic imaging techniques? Check all that apply.
PLS HELP DUE IN 30 MINS!!! True or false: A large-amplitude pulse travels at a faster speed than a small-amplitude pulse. Explain your answer.
Answer:
False
Explanation:
Larger pulse with more energy means that the wave has large amplitude. As in the given question, both the waves are travelling in the same medium, hence their speeds will remain same and therefore the larger pulse will not overtake the smaller pulse. Remember the amplitude of a wave does not affect the speed at which the wave travels
Answer:
False
Explanation:
The amplitude of a wave does not affect the speed at which the wave travels. The speed of a wave is only altered by alterations in the properties of the medium through which it travels.
Help me with this please :)
Answer:
Kinetic energy is the energy of motion
what type of force can never do any work on an object
Hay muchos ejemplos importantes de fuerzas que no funcionan porque actúan perpendiculares al movimiento. Para el movimiento circular, la fuerza centrípeta siempre actúa en ángulo recto con el movimiento. Cambia la dirección del movimiento, pero no funciona en el objeto.
What does DARE stand for in balanced and unbalanced forces
Answer:
Balanced Forces
But what exactly is meant by the phrase unbalanced force? What is an unbalanced force? In pursuit of an answer, we will first consider a physics book at rest on a tabletop. There are two forces acting upon the book. One force - the Earth's gravitational pull - exerts a downward force. The other force - the push of the table on the book (sometimes referred to as a normal force) - pushes upward on the book.
Since these two forces are of equal magnitude and in opposite directions, they balance each other. The book is said to be at equilibrium. There is no unbalanced force acting upon the book and thus the book maintains its state of motion. When all the forces acting upon an object balance each other, the object will be at equilibrium; it will not accelerate.
Consider another example involving balanced forces - a person standing on the floor. There are two forces acting upon the person. The force of gravity exerts a downward force. The floor exerts an upward force.
Since these two forces are of equal magnitude and in opposite directions, they balance each other. The person is at equilibrium. There is no unbalanced force acting upon the person and thus the person maintains its state of motion.
Unbalanced Forces
Now consider a book sliding from left to right across a tabletop. Sometime in the prior history of the book, it may have been given a shove and set in motion from a rest position. Or perhaps it acquired its motion by sliding down an incline from an elevated position. Whatever the case, our focus is not upon the history of the book but rather upon the current situation of a book sliding to the right across a tabletop. The book is in motion and at the moment there is no one pushing it to the right. (Remember: a force is not needed to keep a moving object moving to the right.) The forces acting upon the book are shown below.
The force of gravity pulling downward and the force of the table pushing upwards on the book are of equal magnitude and opposite directions. These two forces balance each other. Yet there is no force present to balance the force of friction. As the book moves to the right, friction acts to the left to slow the book down. There is an unbalanced force; and as such, the book changes its state of motion. The book is not at equilibrium and subsequently accelerates. Unbalanced forces cause accelerations. In this case, the unbalanced force is directed opposite the book's motion and will cause it to slow down.
To determine if the forces acting upon an object are balanced or unbalanced, an analysis must first be conducted to determine what forces are acting upon the object and in what direction. If two individual forces are of equal magnitude and opposite direction, then the forces are said to be balanced. An object is said to be acted upon by an unbalanced force only when there is an individual force that is not being balanced by a force of equal magnitude and in the opposite direction.
A student is studying calcium, a highly reactive element that humans need for strong bones. Which characteristic of calcium is most closely related to its chemical reactivity?
A The 20 protons in each atom of calcium B The density of calcium, which is 1.54 g/cm3
C The atomic mass of calcium, which is 40.078 amu D The 2 valence electrons in each atom of calcium
Answer:d
Explanation:
I took the quiz and I got that question right :)
Two by four about a three the espn by the Xbox 360 by the one two three and the logical by the fire the iso cohedron uh the Isosceles and the diameter by the three by four?
Answer:
divided by 2 plus one entity_secured_pace_nun_box 9 divided by oee burned akward potion tri tour all around divided by 3 divided by 4
Explanation:
So the first few words in this statement talks about two and four being equal to around three therefore giving you "divided by 2" as you need to divide the four by 2 and add one to get 3. The next statement "the espn by the Xbox 360", espn can be deemed as a secured entity that paces around a nun therefore giving you entity_secured_pace_nun and since this is being multiplied by a box and by 360, you apply the "Improve Rule of Baseless Base". This rule allows you to get entity_secured_pace_nun_box_9. Box comes from multiplying what we have with box and the 9 comes from adding 3+6+0. Since a logical fire is present in this equation, you burn the letters in "two three" that have no protection, these letters are t,w,t,h, and r. Next, you can take cohedron that sounds like couldron and brew yourself an akward potion with the tri sided isosceles. The diameter can be seen as a round up rule that allows you to regroup the answer you have so far. The "by the three by four" can easily be translate from the "Baseless Base Rule Compilation" giving you divided by 3 and divided by 4. That is why the answer is divided by 2 plus one entity_secured_pace_nun_box 9 divided by oee burned akward potion tri tour all around divided by 3 divided by 4. No need to thank me.
Please guys help me with this question.
Answer:
(a) 150 N
(b) 15.62 N
(c) 8.54 N
(d) 50 N
Explanation:
From the question above,
(a) F' = F₂-F₁
Where F' = Result force, F₁ = 50 N, F₂ = 200 N
Therefore,
F' = 200-50
F' = 150 N
(b) F' = √(F₁²+F₂²)
Where F₁ = 10 N, F₂ =12 N
F' = √(10²+12²)
F' = √(100+144)
F '= √(244)
F =15.62 N
(c)
F' = √[(F₁+F₂)²+F₃²]
Where F₁ = 6 N, F₂ = 2 N, F₃ = 3 N.
Therefore,
F' = √[(6+2)²+3²)
F' = √(8²+3²)
F' = √(64+9)
F' = √(73)
F' = 8.54 N.
(d)
F' = √[(F₁+F₂)²+(F₃+F₄)²]
Where F₁ = 20 N, F₂ = 10 N, F₃ = 20 N, F₄ = 20 N
F' = √[(20+10)²+(20+20)²]
F' = √[(30)²+(40)²]
F' = √[900+1600]
F' = √[2500]
F' = 50 N
what is the SI unit for moment
Answer:
Newton Metre
Explanation:
If dan ran the 100m dash in 10.23s. What was his average speed during the race? (Round to the nearest tenth of a second)
Answer:
.1 seconds per meter
Explanation:
I am going to assume they are asking for the average time per 1 meter.
Because it took 10.23 seconds to run 100 meters, we are going to divide 10.23 by 100. This number will be the time per 1 meter.
To divide by 100, we will move the decimal point over by two. That will give us .1023 seconds.
The question asks to round to the nearest tenth, so we round it to .1 seconds.
*Just some trivia: Danie van Blerk does in fact have a time of 10.23 seconds. He has the 1073rd best 100 meter dash time. First place, Usain Bolt, has a time of 9.58 seconds.
What is the number of the strength of gravity on Earth?
Answer:
i don't know this answer
The equation for the conservation of mechanical energy is:
A. PE (before) + KE (before) = PE (after) + KE (after).
B. KE = 1/2mv.
C. Total PE before an event = total PE after the event.
D. PE (before) + KE (before) = 0.
Answer:
The answer is A because the equation is KEi+PEi=KEf+PEf
i means initial (before) and f means final (after)
Sentence A: At the same time, teachers will benefit from teaching fewer students per semester and gaining more one-on-one time with students Sentence B: For all of these reasons, a change from the traditional seven-period class schedule to more compact, four-class block schedule will be beneficial for both students and teachers. Sentence C: Students will enjoy less homework each night, better focus due to fewer subjects, and more variety, with new classes each semester. Sentence D: When it comes to exchanging the seven- period day to a four-period day, less is definitely more. Which arrangement of these sentences would be best for a conclusion paragraph?
A. B, C, A, D
B. B, D, A, C
C. D, A, C, B
D. C, A, B, D
plz help me
I think its c
d a c b
I hope this is helpful
Answer:
Its A. B, C, A, D
Explanation:
A copper piece cannot br made a magnet why
Answer:
1. A copper piece cannot be changed into magnets, because -
• Only the ferromagnetic metals (the metals which have magnetic properties) can be changed into electromagnets or permanent magnets.
• But,copper is not a ferromagnetic metal and that's why we cannot change the copper into any kind of magnets
Explanation:
1. A wave travels at 1,500 m/s with a frequency of 5 hertz. What is its wavelength?
a. 7,500 m
b. 1,505 m
c. 300 m
d. 1,495 m
2. Humans can hear thunder at different frequencies. These correspond to wavelengths ranging from 2.75 to 16.5 meters. If the speed of sound is approximately 330 m/s, what frequencies of thunder can humans hear?
a. 2.75 to 16.5 hertz
b. 907.5 to 5,445 hertz
c. 20 to 120 hertz
d. 0.0083 to 0.05 hertz
3. Two similar waves X and Y travel through the same medium. Wave X has a frequency of 200 hertz and a wavelength of 35 meters. Wave Y has a frequency of 700 hertz. What is the wavelength for wave Y?
a. 4,900,000 meters
b. 122.5 meters
c. 0.1 meter
d. 10 meters
4. California sea lions communicate underwater at frequencies ranging from 500 to 4,000 hertz. The speed of sound in sea water is approximately 1,500 m/s. What are the approximate wavelengths of sound with which the California sea lions communicate?
a. 750,000 to 6,000,000 meters
b. 0.375 to 3 meters
c. 2,000 to 5,500 meters
d. 0.33 to 2.66 meters
With the use of wave speed formula, below are the answers to the questions
1. C
2. C
3. D
4. B
All the question centered on wave speed, wavelength and wave frequency. The relationship between these three quantities is;
wave speed = wavelength x frequency
That is,
V = Fλ
1. The given parameters are;
V = 1,500 m/s
F = 5 Hz
wavelength λ = V/F = 1500/5 = 300 m
2.) Given that the wavelengths ranging from 2.75 to 16.5 meters and the speed of sound is approximately 330 m/s
When wavelength = 2.75 m
F = V/ λ = 330 / 2.75 = 120 Hz
When wavelength = 16.5 m
F = V/ λ = 330 / 16.5 = 20 Hz
Therefore, the frequencies of thunder humans hear ranges from 20 Hz to 120 Hz
3.) Since the two waves are similar, they will be travelling at the same speed. That is,
Wave speed of X = Wave speed of Y
For wave X and Y respectively;
F = 200 Hz and 700 Hz
λ = 35 m and λm
Find λ of Y by equating the two wave speed. That is,
Fλ for X = Fλ for Y
200 x 35 = 700 λ
λ = (200 x 35)/ 700
λ = 7000 / 700
λ = 10 m
Therefore, The wavelength for wave Y is 10 m
4.) Given that the sea lions frequencies are ranging from 500 to 4,000 hertz. And the speed of sound in sea water is approximately 1,500 m/s
By using the same formula,
V = Fλ
Make wavelength the subject of formula
λ = V / F
When F = 500 Hz
λ = 1500/500 = 3 m
When F = 4000 Hz
λ = 1500/4000 = 0.375 m
Therefore, the approximate wavelengths of sound with which the California sea lions communicate is of the range 0.375 m to 3 m
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