The idea behind capitalism is that the free market of products and ideas is owned and driven by private citizens. A capitalist society is a social order in which private property rights and the free market serve as the basis of trade, distribution of goods, and development.
Answer:
In ideal terms: In a capitalist economic system, the owner of production is the individual, and the benefactors of production are first the individual and second the society. In a socialist or communist economic system, the owner of production is the state or the society, and the benefactor is the society.
Most of the Earth's volcanoes occur
A.
near the center of tectonic plates.
B.
where there are no tectonic plates.
C.
along tectonic plate boundaries.
D.
before tectonic plates can form.
Answer:
A.
Explanation:
NEAR THE CENTER OF TECTONIC PLATES.
Answer: C. along tectonic plate boundaries
Explanation:
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write dimention of plane angle work resistance density torgue
Torque : ML^2T^–2
Density : ML^–3
Work : ML^2T^–2
Plane angle: dimensionless quantity
Resistance : M^1 L^2 T^-3 I^-2
A tourist drops a rock from rest from a guardrail at an observatory point overlooking a valley. Calculate the velocity of the rock at the following times: a) 2.0 s b) 6.0 s 6. Determine the displacement for the rock in question 6 at
Answer:
a) 19.6 m/s, 19.6 m
b) 58.8 m/s, 176.4 m
Explanation:
Take down to be positive. Given:
v₀ = 0 m/s
a = 9.8 m/s²
a) Find v and Δy when t = 2.0 s.
v = at + v₀
v = (9.8 m/s²) (2.0 s) + 0 m/s
v = 19.6 m/s
Δy = v₀ t + ½ at²
Δy = (0 m/s) (2.0 s) + ½ (9.8 m/s²) (2.0 s)²
Δy = 19.6 m
b) Find v and Δy when t = 6.0 s.
v = at + v₀
v = (9.8 m/s²) (6.0 s) + 0 m/s
v = 58.8 m/s
Δy = v₀ t + ½ at²
Δy = (0 m/s) (6.0 s) + ½ (9.8 m/s²) (6.0 s)²
Δy = 176.4 m
Scientists have changed the model of the atom as they have gathered new evidence. One of the atomic models is shown below.
A large black cross in a purple circle with a black line around the purple, with 10 small green balls dispersed within the purple circle.
What experimental evidence led to the development of this atomic model from the one before it?
Answer:
B: The colors of light emitted from heated atoms had very specific energies.
Explanation:
B: The colors of light emitted from heated atoms had very specific energies.
Ariel and Jackson are playing miniature golf. Ariel's ball rolls into a long, straight upward incline with a speed of 3.054 m/s and accelerates at -0.7762 m/s/s for 1.51 seconds until it reaches the top of the incline and then continues along an elevated section. Determine the length of the incline.
Answer:
The length is [tex]s = 3.73 \ m[/tex]
Explanation:
From the question we are told that
The speed is [tex]v = 3.054 \ m/s[/tex]
The acceleration [tex]a = -0.7762 m/s^2[/tex]
The time taken is [tex]t = 1.51 \ s[/tex]
Generally from kinematics equation the length of the inclined plane is mathematically represented as
[tex]s =ut + \frac{1}{2} * at^2[/tex]
=> [tex]s = 3.054 *1.51 + \frac{1}{2} * (-0.7762) *(1.51)^2[/tex]
=> [tex]s = 3.73 \ m[/tex]
When conducting a polygraph test why is it important for the interviewer to establish a baseline on the interviewee?
Answer:
Because always when we do an experiment, we need something to compare.
For example, if we want to see how much change a given color paint when we add different amounts of white paint to it, we need to have at least one sample of pure color paint, so we can compare it whit the ones with mixed paints.
Well, the case of the polygraph is exactly the same, we need to have a baseline, so we the interviewer can see if for some questions there is a change in the line compared with the baseline.
You are doing chores to earn your allowance. For each chore you do, you earn $3. What is the independent variable?
A. The amount of allowance ($3)
B. The amount of chores you do
C. The amount of allowance and the amount of chores
Which statement is true about the monopoly being depicted?
Answer:
no idea man i say the third one
Explanation:
Enzo investigated the effect of different types of fertilizers on the growth of bean plants. He hypothesized that fertilizer B would result in the greatest amount of growth. However, the results showed that the control plants without fertilizer had the greatest growth. Why was Enzo's data still valuable even though it did not support his hypothesis?
Answer:
The answer is "In this information, Enzo will be confident that if any fertilizer is required only for plants".
Explanation:
The Beans plants were members of the group of legumes. Legume flowering plant under which the roots form nodules. These nodules require a specific bacterium called bacteria, which fix nitrogen. Its bacterium transforms nitrogen from the atmosphere into the soil's nitrate. Consequently, for some of its growth, beans do not require fertilizer.
Use the table below to answer the questions.
Measured Values for a Stamp's Length
Student 1 Student 2 Student 3
Trial 1 2.60 cm 2.70 cm 2.75 cm
Trial 2 2.72 cm 2.69 cm 2.74 cm
Trial 3 2.65 cm 2.71 cm 2.64 cm
Average 2.66 cm 2.70 cm 2.71 cm
Three students measured the length of a stamp whose accepted length is 2.71 cm. Based on the table, which statement is true?
Multiple choice question.
A)
Student 3 is both precise and accurate.
B)
Student 2 is both precise and accurate.
C)
Student 1 is more accurate than Student 3.
D)
Student 2 is less precise than Student 1.
Three students measured the length of a stamp whose accepted length is 2.71 cm, on the basis of the table student 2 is both precise and accurate, therefore the correct answer is option B.
What is a unit of measurement?A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation.
The degree to which a measurement is accurate in relation to its true value. The degree to which the same results are produced by repeated measurements under the same circumstances is known as precision.
Thus, according to the chart, student 2 is both exact and accurate, hence the proper response is option B. Three students measured the length of a stamp, and the approved length is 2.71 cm.
Learn more about the unit of measurement from here
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If two arm wrestlers exert a force on each other’s hands, and the hands don’t move, the forces must be *
balanced
unbalanced
weak
strong
If you drop a rock from a height of 13 m, it accelerates at 9.8 m/s2 and strikes the ground 1.62882 s later. If you drop the same rock from half that height, what will be its acceleration?
You had me worried there for a second. I thought you were going to ask how much the time changes, or how much the speed changes as it hits the ground, and I was gonna skip this question and go to bed.
But the acceleration won't change. That's always 9.8 m/s². That's the acceleration of gravity on Earth. It doesn't depend on what you drop, or what its mass is, or how heavy it is, or what color it is, or how high you drop it from. The only way you can change it is to drop the rock through air or water, or on a different planet.
The moon's light comes from
within the moon
the earth
the sun
stars in other galaxies
accelerates uniformly from rest, reaching a speed of 36 meters per second in 6.0 seconds
Answer:
What's the question?
Explanation:
4. Why does time play an important role in collisions?
a) Time plays no important role in collisions
b) The longer the time of the collision, the smaller the force
c) The longer the time of the collision, the larger the force
d) The shorter the time of the collision, the smaller the force
The longer the time of the collision, the smaller the force. (B)
That's why, if you fall off the roof, you want to be stopped by a net or a pile of leaves, and not by the ground. You want the stop to last as long as possible. Like everybody says: It's not the fall that hurts, it's the stop at the end.
A 70kg man runs at a pace of 4 m/s and a 50g meteor travels at 2 km/s. Which has the most kinetic energy?.
Answer:
the 70kg man
Explanation:
because he has more weight and is moving faster
The net force on a golf cart is 390 N north. If the cart has a total mass of 270 kg,
what are the magnitude and direction of the cart’s acceleration?
Answer:
1.4m/s^2 is the acceleration
Explanation:
magnitude and direction were already given . Using F=ma , acceleration is found .
The magnitude and direction of the cart's acceleration are 1.44 m/s² North.
To solve the given problem, we make use of newton's fundamental equation.
⇒ Newton's equation:
F = ma...................... Equation
⇒ Where:
F = Net force on the golf cartm = mass of the carta = acceleration of the cart.⇒ make "a" the subject of the equation
a = F/m............... Equation 2From the question,
⇒ Given:
F = 390 Nm = 270 kg⇒ Substitute these values into equation 2
a = 390/270a = 1.44 m/s² alone the direction of the force (North)Hence, the magnitude and direction of the cart's acceleration are 1.44 m/s² North.
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What is the new kinetic energy of the 1900 kg ship on the right moving at 4 m/s?
Answer:
soi nuevo
Explanation:me regalan puntos
Answer:
15,200J
Explanation:
The equation is 1/2 x m x v², where m= mass and v= velocity.
3. Bamey is walking with all his good friends. If he began walking away from Lucy 12 seconds ago at an average speed of 1.5 m/s and is now 25 m from Lucy, the how far from her was he when he began walking?
Answer:
7 meters away
Explanation:
12 x 1.5 = 18
25 - 18 = 7
The track team participated in the 400-meter walk/run for fitness. The first to cross the finish line had a time of 4 minutes and 45 seconds. What was the average speed of the winner in meters per second?
Explanation:
total distance travelled = 400m
total time taken = 4min 45sec = 4*60 + 45 = 285sec
Avg speed = 400/285
= 2.162162....m/s
= 2.162....m/s
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what is the formula for calculating gravitational potential energy
Answer:
PEgrav = m *• g • h
Explanation:
In the above equation, m represents the mass of the object, h represents the height of the object and g represents the gravitational field strength (9.8 N/kg on Earth) - sometimes referred to as the acceleration of gravity.
Hope this helps
How would you determine the acceleration from a v vs. t graph?
The acceleration is the slope of the v/t graph.
-- If the graph is a straight line, then pick any piece of the line, or even the whole graph, and divide (change in 'y') by (change in 'x') for the piece you chose.
-- If the graph is a curve or a squiggle, then you can do the same thing with a piece of it, and you get the average acceleration during that piece.
-- If you need the acceleration at one point on the graph, you have to lay a straight line against that point on the graph, and find the slope of that straight line.
What do all muscles have a store of, which is used for fuel?
O A. Oxygen
O B. Protein
O c. Carbohydrates
O D. Glycogen
Answer:
D. Glycogen
Explanation:
the major fuels for muscle are glucose fatty acids, and ketone bodies. muscle differs from the brain in having a large store of glycogen
Answer:
D. Glycogen
Explanation:
About 3/4 of all the glycogen in the body is stored in muscle.
2. A girl throws a marshmallow that lands in her friend's mouth 2 m away. The girl threw the marshmalow
at an angle of 30 degrees. How hard did she throw the marshmallow?
Answer:
The speed at which she threw the marshmallow is approximately 4.76 m/s
Explanation:
The given in formation are;
The range in which the marshmallow was thrown = 2 m (The location of her friend)
The angle at which the marshmallow was thrown = 30 degrees
The horizontal range is given by the following formula;
[tex]R = \dfrac{u^2 \times sin(2\cdot \theta)}{g}[/tex]
Where;
R = The range = 3 m
u = The initial velocity
θ = The angle at which the marshmallow was thrown = 30°
g = The acceleration due to gravity = 9.81 m/s²
By substitution, we have;
[tex]2 = \dfrac{u^2 \times sin(2\times 30)}{9.81} = \dfrac{u^2 \times sin(60)}{9.81}[/tex]
[tex]\therefore u^2 = \dfrac{ 2 \times 9.81}{sin(60)} = \dfrac{u^2 \times sin(60)}{9.81} \approx 22.66[/tex]
u ≈ √(22.66) ≈ 4.76 m/s
u ≈ 4.76 m/s
The speed at which she threw the marshmallow ≈ 4.76 m/s.
Answer:
4.76 m/s
Explanation:
Armand hands the rock to Pierre, who is standing next to the trampoline. Explain how Armand moves, in terms of the forces acting on him.
Answer:
Armando's weight ,restored force created by the trampoline
a harmonic movement within the trampoline
Explanation:
In a trampoline we have two forces that actuate Armando's weight and the restored force created by the trampoline that depends on the deformation distance of the elastic canvas.
Amando's weight is vertical and directed towards the center of the Earth and has a constant value, this weight is balanced with the elastic force the springboard exerts on Armando in a vertical direction.
In general, when entering the trampoline, a small jump is made, this creates a speed that deforms the canvas until the speed is reduced to zero, at this point the elastic force is greater than the weight and the boy begins to climb, After the boy leaves the canvas he meets only the force of gravity and his speed decreases to zero and begins his fall.
In Summary Armando is in a harmonic movement within the trampoline
A dog walks 40. m west, then 10. m east and then 50. m south. What is the
distance and displacement traveled?
The total distance traveled by the dog is 100 m and the displacement of the dog is 58.31 m.
The given parameters;
Initial position of the dog, 40 m westSecond position of the dog, 10 m eastFinal position of the dog, = 50 southThe displacement of the dog is the change in its initial position and the final position.
The resultant of the dogs position in x-direction: = 40 m - 10 m = 30 m
The resultant of the dogs position in y-direction: 50 m
The magnitude of the displacement;
R² = 30² + 50²
R² = 3400
R = √3400
R = 58.3 m
The distance covered by the dog is the sum of all the positions of the dog.
Distance = 40 m + 10 m + 50 m
Distance = 100 m.
Thus, the total distance traveled by the dog is 100 m and the displacement of the dog is 58.31 m.
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Are there differences in how the size/radius changes over time, when you compare stars with different initial masses?
Hi- I'm giving Brainliest for the best explanation to this.
If you were in a falling elevator, would you be able to jump up at the last second in order to survive? Please explain. I am so confizzled!
Thank you!
Answer:
yes it is possible, you have to lay down flat on your back
brainliest pweaseee
Answer:
Yes (and no)
Explanation:
Hey! This according to my theory is possible, the g-force of an object or "elevator" (in your explanation) is accelerating as it's gravitational pull is getting stronger. So it would but wouldn't be possible in a small elevator, because you-know it's an elevator (and of course you would bump your head, ouch!) ; p !
But if you had free or spare space to use, then you can jump upwards at the last second to cancel out the gravitational pull as if you actually (or originally) jumped from this height. But the gravitational pull may be too strong for those of humans, if the person acquiring and accelerating in G-Force doesn't have good leg muscle then he may be pulled along with the object by the gravitation.
I hope this helped! Pls Brainliest my answer! It would mean and help a lot! ; )
Define time interval in your own words.
Answer:
An interval is a distinct measure of time or the physical or temporal distance between two things.
Explanation:
A sound wave ________ and ______ the air molecules around your ear.
A sound wave squeezes together and thins out the air molecules around your ear. The places where these things happen are called the compressions and rarefactions of the sound wave.