Answer:
When an object is thrown, the thrower pushes the object. This causes the object to move in a
Explanation:
In what order do the stages of the birth process occur? delivery of the placenta, dilation and thinning of the cervix, delivery of the fetus uterine contractions, delivery of the placenta, delivery of the fetus delivery of the fetus, delivery of the placenta, delivery of the cervix dilation and thinning of the cervix, delivery of the fetus, delivery of the placenta
The stages of the baby birth are Dilation, strong contractions, and delivery of the baby and the placenta.
What are the stage of the birth process ?Dilation, intense contractions, and delivery of the baby and placenta are the phases of a baby's birth.
The stages of the birth process are as follows;
1. The first stage includes the latent phase, in which cervical dilation begins (3 to 5 cm) along with mild contractions, and the active phase, in which strong contractions occur along with complete or nearly complete dilation.
2. The second stage is fetus expulsion or delivery, in which the cervix is fully dilated, and the baby is born.
3. The third stage is placenta delivery or expulsion, which occurs as the placenta is delivered.
4. Dilation, intense contractions, and delivery of the baby and placenta are the phases of labor and delivery.
Hence,the stages of the baby birth are Dilation, strong contractions, and delivery of the baby and the placenta.
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Answer:
the answer is -dilation and thinning of the cervix, delivery of the fetus, delivery of the placenta
Explanation:
i took a quiz and got it right
Find the velocity using the d/t graph below
Answer:
-10/3
Explanation:
the slope of the graph is negative, the velocity is slowing. so we know the positive answers are not correct. next we just need to figure out how much of a slope the line has. it's down 10 and over 3... soo
-10/3 looks good .. the format for the fraction is rise / run . in this case rise is negative, but other wise it's the same.
A 20.0 kg trunk is pushed across the floor of a moving van by a horizontal force. If the coefficient of kinetic friction between the trunk and the floor is 0.255, what is the magnitude of the frictional force opposing the applied force?
The magnitude of the frictional force opposing the applied force is 50 N.
What is the frictional force?The friction is caused due to the relative motion between two uneven contacting surfaces.
Given is the mass of trunk m = 20kg, kinetic coefficient of friction μ = 0.255.
The normal force acting on the trunk N = mg
N = 20 kg x 9.81m /s²
N = 196.2 Newton
The friction force is
f =μN
f = 0.255 x 196.2
f =50.031 N
Thus, the magnitude of the frictional force opposing the applied force is approximately 50N.
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How many times is the motion of the object stopped?
Answer:
4
Explanation:
We can say the motion of the object is stopped when its velocity is 0. That means we just have to check how many times the line of the graph intersects the x-axis. Hence, we can say that the object of the motion is stopped 4 times.
PLE HELP
What is the best description of temperature?
Temperature is the same thing as heat.
Temperature measures the number of Kelvins in a substance.
Temperature is the measurement of kinetic energy (movement of molecules).
Temperature only measures an increase in heat energy.
The physical property that determines that how easily heat and electricity pass through a material is?
A. conductivity
B. density
C. weight
D. hardness
Answer: Hello! I'm Jungkook. Here is your answer.....
A. conductivity
Explanation:
Hope this helps! Anneyong/Bye!
xoxoKookie
A car accelerates uniformly in a straight line from rest at the rate of 2.3 m/s2. What is the speed of the car after it has traveled 55 m?
Answer:
The speed is =15.91ms−1. The time is =6.92s
Explanation:
5. For the following pairs of masses, which one has the largest gravitational attraction between masses? Which one has the smallest gravitational attraction between masses? Explain.
Answer:
MOST : E LEAST : D
Explanation:
Grav attraction = G m1 m1 / r^2
G and 'r' are the same for all of the pictures, so the one picture with the biggest mass has the MOST attraction and the one with the least mass has the least attraction.
The pair with the largest gravitational attraction is the Earth and the Moon.
The pair with the smallest gravitational attraction is the Earth and a grain of sand.
The gravitational force between two masses is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. In other words, the more massive the objects, the stronger the gravitational force between them. The closer the objects are, the stronger the gravitational force between them.
The Earth and the Moon are the most massive objects in the pair. The Earth has a mass of about 5.972 × 10²⁴ kg, and the Moon has a mass of about 7.34 × 10²² kg. The distance between the Earth and the Moon is about 384,400 km.
The grain of sand is much less massive than the Earth or the Moon. The mass of a grain of sand is about 10⁻⁶ kg. The distance between the Earth and a grain of sand is much greater than the distance between the Earth and the Moon.
Therefore, the gravitational attraction between the Earth and the Moon is much stronger than the gravitational attraction between the Earth and a grain of sand.
Here is a table of the gravitational attractions for each pair of masses:
Pair of masses Gravitational attraction
Earth and Moon 1.98 × 10²⁰ N
Earth and a grain of sand 1.0 × 10⁻¹⁷ N
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If the trend changed toward traditional (pre-World War II) families, how would that affect women’s rights?
If the trend changed toward traditional (pre-World War II) families, the women’s rights are employment in manufacturing sector.
What is World war?
The war between two countries to take over each other's kingdom using weapons to kill each other.
Before the world war, the army needs armor, weapons, guns and tanks. Their manufacturing is only possible with many workers to work for long hours. If the men are not enough, then women are given opportunities to work with them.
Thus, the women’s rights are employment in manufacturing sector when trend changed traditional families.
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Bacteria vary somewhat in size, but a diameter of 2.9 μm is not unusual.
A) What would be the volume (in cubic centimeters) of such a bacterium, assuming that it is spherical?
B) What would be the surface area (in square millimeters) of such a bacterium, assuming that it is spherical?
Answer:
a) 6.4 x 10^-12 cm^3
b) 17 x 10^-6 mm^2
Explanation
a). The shape is assumed to be spherical The volume = volume of a sphere = \frac{4}{3} \pi r^3
3
4
πr
3
V = \frac{4}{3}*3.142* 1.15^3
3
4
∗3.142∗1.15
3
= 6.3715 μm^3
1 μm^3 = 10^-12 cm^3
6.3715 μm^3 = 6.3715 x 10^-12 cm^3
==> 6.4 x 10^-12 cm^3
Answer:
See below
Explanation:
Volume of a sphere = 4/3 pi r^3
we are given diameter r = 1/2 dia = 1.45 u-meter = 1.45 x 10^-4 cm
4/3 pi (1.45 x 10^-4)^3 = 1.277 x 10^-11 cm^3 = VOLUME
1.45 u-meter = .00145 mm
Surface area = 4 pi r^2 = 4 pi (1.45 x 10^-3 ) ^2 = 2.64 x 10^-5 mm^2
Given the information in the velocity vs. time graph, what is the displacement of the object after 1 second?
In the velocity vs. time graph, the displacement of the object after 1 second is 3 m.
What is displacement?The displacement of an object is the change in position of the object.
From the graph, the displacement of the object after 1 second is calculated as follows;
x = vt
where;
v is velocity = 3 m/st is time = 1 secondx = 3 x 1 = 3 m
Thus, in the velocity vs. time graph, the displacement of the object after 1 second is 3 m.
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A long conducting cylindrical pipe has a length L
The charge distribute on the inner surface with the radius r₁ will be zero,In the region r₁<r<r₂ will also zero. While on the outer surface with radius r₂ will be -q.
What is Gauss law?The total electric flux out of a closed surface is equal to the charge contained divided by the permittivity,
According to Gauss Law. the electric flux in a given area is calculated by multiplying the electric field by the area of the surface projected in a plane perpendicular to the field.
From the Gauss law, it is stated that the field inside the conductor is zero. Charge will lie only on the surface.
(a)The charge distribute on the inner surface with the radius r₁ will be zero.
(b) In the region r₁<r<r₂ will also zero.
(c)The outer surface with radius r₂ charge distribution will be -q.
Hence, the charge distribute on the inner surface with the radius r₁ will be zero,
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Light does not pass through some materials. What do you think happens
to the energy of photons when photons strike a surface and are
absorbed? What indicators would tell you that the energy of the photons
?
has been transformed?
Answer:
When an electron is hit by a photon of light, it absorbs the quanta of energy the photon was carrying and moves to a higher energy state. One way of thinking about this higher energy state is to imagine that the electron is now moving faster, (it has just been "hit" by a rapidly moving photon)
A photon is a quantum of EM radiation. Its energy is given by E = hf and is related to the frequency f and wavelength λ of the radiation by. E=hf=hcλ(energy of a photon) E = h f = h c λ (energy of a photon) , where E is the energy of a single photon and c is the speed of light.
Which of the following is an example of a chemical change?
a
Boiling water
b
Burning paper
c
Dissolving sugar in water
d
Melting gold
b. burning paper
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a wave with a frequency of 500hz is traveling at a speed of 1000m/s whats the wavelength?
Legolas shoots 333 arrows at once from his bow. He has 177177177 arrows.
How many times can Legolas shoot his bow before he needs more arrows?
Answer:
532063
Explanation:
If he's shooting 333 arrows per shot and has 177177177 arrows, you need to divide to find the number of arrows he can shoot total, ignoring the decimal since you can't shoot a partial arrow.
177177177/333=532063
Which best ilustrates the way in which radiation transfers thermal energy?
Answer:
B) Warm radiates to Cool
Explanation:
Radiation transfers thermal energy without need for contact, where areas with higher thermal energy (hot) transfer energy to areas with lower thermal energy (cold)
According to kinetic theory, which two factors are important for a successful reaction to occur?
Answer:
Molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. Molecules must collide with the proper orientation.
Explanation:
A collision that meets these two criteria, and that results in a chemical reaction, is known as a successful collision or an effective collision.
Waldo gets stopped by the police.
Answer:
At least they found him.
Explanation:
A 85.0kg man and a 65, 0kg woman are riding a Ferris wheel with a radius of 20.0m. What is the Ferris wheels tangential velocity if the net centripetal force on the woman is 115N
Answer:
The Ferris wheel's tangential (linear) velocity if the net centripetal force on the woman is 115 N is 3.92 m/s.
Explanation:
Let's use Newton's 2nd Law to help solve this problem.
F = maThe force acting on the Ferris wheel is the centripetal force, given in the problem: [tex]F_c=115 \ \text{N}[/tex].
The mass "m" is the sum of the man and woman's masses: [tex]85+65= 150 \ \text{kg}[/tex].
The acceleration is the centripetal acceleration of the Ferris wheel: [tex]a_c=\displaystyle \frac{v^2}{r}[/tex].
Let's write an equation and solve for "v", the tangential (linear) acceleration.
[tex]\displaystyle 115=m(\frac{v^2}{r} )[/tex][tex]\displaystyle 115 = (85+65)(\frac{v^2}{20})[/tex][tex]\displaystyle 115=150(\frac{v^2}{20} )[/tex][tex].766667=\displaystyle(\frac{v^2}{20} )[/tex][tex]15.\overline{3}=v^2[/tex][tex]v=3.9158[/tex]The Ferris wheel's tangential velocity is 3.92 m/s.
Which set of terms is in the proper order, from left to right, for labeling the
reactants and products in this reaction?
H3PO4 + 3KOH + 3H20 + K3P04
A. Base, salt, water, acid
O B. Salt, acid, water, base
C. Acid, base, water, salt
O D. Base, acid, water, salt
light from proxima centauri takes 4.3 years to reach the earth. How far away is the Proxima Centauri?
Answer:
4.246 light years
Explanation:
4.246 light years
The closest star, Proxima Centauri, is 4.24 light-years away. A light-year is 9.44 trillion km, or 5.88 trillion miles. That is an incredibly large distance. Walking to Proxima Centauri would take 950 million years.
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PLEASE MARK ME AS BRAINLIEST.
Answer:
4.25 light years
Explanation:
a light year is the distance light travels in one year it is equal to 9.461 x 1012 km. alpha centauri A & B are roughly 4.35 light years away from us. proxima centauri is slightly closer at 4.25 light years.
Differentiate amihan and habagat
Answer:
Amihan is known as the Northeast monsoon while Habagat is known as the Southwest monsoon.
Two 74.0-kg hockey players skating at 6.15 m/s collide and stick together.
If the angle between their initial directions was 90 ∘ , what is their speed after the collision?
If the angle between their initial directions was 90 ∘ , their speed after the collision will be 4.35 m/s.
What is inelastic collision?When two moving bodies after colliding stick to each other and move together is called the inelastic collision.
In inelastic collision , momentum is remains conserved.
Initial momentum =Final momentum
m₁u₁ +m₂u₂ = (m₁ +m₂ )v
where, u₁ and u₂ represents initial velocities of two hockey players and v₁ and v₂ shows the final velocities.
m₁ =m₂ =m and u₁ = u₂ =u
Substitute the values from the question, we get
2mu = 2mv
u =v
u = v x cos (θ/2)
u = 6.15 cos(90/2)
u = v = 4.35 m/s
Thus, the speed after collision is 4.35 m/s.
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How do the stomach and the small intestines work together to digest the food? (2 points)
The stomach breaks down the food and passes it to the small intestine to be digested further.
The stomach passes the digested food from the small intestine to the large intestine.
The small intestine turns the solid food into a liquid mixture and sends it to the stomach.
The stomach digests the food by using digestive juices made by the small intestine.
Answer:
A) The stomach breaks down the food and passes it to the small intestine to be digested further.
Explanation:
I am pretty sure it is the first option because there is no way the stuff you eat can be turned into a liquid, it wouldn't make sense for the stomach to pass the digested food from small intestine to large intestine, so it would have to be the first one. A out of all of the options makes more sense and the stomach has to pass the digested food somewhere.
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A student rubs one side of an inflated balloon on her hair. This side of the balloon becomes positively charged. Explain this.
Answer:
Friction
Explanation:
Friction between two conductive objects creates static energy in this example making the hair stick up as if it is connected to the balloon. Hope this helps!
Determine the net force required to accelerate a 2,160 kg truck from 0 to 27 m/s in 10 s
∑F=m.a = m.(Δv/Δt)
∑F=2.16 x (27-0/10)
∑F=5.832 N
Students measure how far a snail can travel per minute. The graph shows their data. What is the speed of the snail?
Answer:
4.00 cm/min
Explanation:
v=d/t
v=10/2=20/4=30/6=5 cm/min
any form of stored energy is described as