Answer:
There is lots of evidence to support it, is the correct answer
The reason why evolution is regarded as a scientific theory is because there are lots of scientific evidences to support it.
Evolution refers to the scientific thinking that complex life forms came out of simple life forms. The complex sequence of events that occurred during the transformation of simple life forms to complex life forms are described by the theories of evolution.
The reason why evolution is regarded as a scientific theory is because there are lots of scientific evidences to support it.
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write two differences between practical machine and ideal machine
Answer:
Ideal machines are said to have parts which are weightless , frictionless and strings if any are inextensible. Practical machines have parts which have weights, friction and it causes some loss of work done. So these are the differences between Ideal Machine and Practical Machines.
A difference between final and original position in a straight line
Answer:
For straight line motion, positions can be shown using a number line. The separation between original and final position is called displacement.
EXPLANATION:For straight line motion, positions can be shown using a number line. The separation between original and final position is called displacement.
Bella makes the 2.5m distance to her food bowl in 9.1 seconds. What is her average velocity?
Average Velocity=Total Distance/Total Time
[tex]\\ \sf\longmapsto \dfrac{2.5}{9.1}[/tex]
[tex]\\ \sf\longmapsto 0.3m/s[/tex]
a car is traveling north. can its acceleration vector ever Point South? explain
When a car is traveling north, its acceleration vector can point south when it is slowing down.
A vector quantity has both magnitude and direction. The direction of a vector is always shown by the direction to which the arrow points.
If the car is travelling north, the direction of the acceleration vector will continue to point northwards.
However, when the car slows down, the direction of the accelerating vector will now point southwards.
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Convert the following in to SI units without changing its values
A. 4000 g
b. 2.4 km
A. The S.I unit of mass is kg . therefore we have to convert 4000g into kg from gram
i.e 4000g = 4 kg
B. The S.I unit of length is meter. so we have to convert 2.4 km into meters,
i.e 2.4 km = 2400 m
#A
[tex]\boxed{\sf 1kg=1000g}[/tex]
[tex]\\ \sf\longmapsto 4000[/tex]
[tex]\\ \sf\longmapsto \dfrac{4000}{1000}[/tex]
[tex]\\ \sf\longmapsto 4kg[/tex]
#B
[tex]\boxed{\sf 1km=1000m}[/tex]
[tex]\\ \sf\longmapsto 2.4km=2.4(1000)[/tex]
[tex]\\ \sf\longmapsto 2400m[/tex]
I NEED THE ANSWER TO PASS SO I CAN GET MY PHONE BACK HELPPPPPPPPPPPPPP
Answer:
it would be c.
Explanation:
starts at zero and isn't a straight shot up
A car traveling at 90 m/s can stop in a distance of 110 m. What is the magnitude of the cars acceleration as it slows down?
I think I have already answer this question. Anyways please do let me know whether it is useful or not
1. Calculate the height of tree, 250 m away that produces
an image 1.5cm high
in a
pin-hole camera of width 30 cm.
Answer:
Explanation:
1.5/30 = x/250
x = 12.5 m
Identify the parts of the body based on the medical terminology given:
1. mr. heart describes pain that is midline, superior to the chest but inferior to the chin.
2. miss triangle says that she has a ‘tweak’ that is superior to the waist, inferior to the breast bone, lateral to the umbilicus on the left side of the body on the anterior surface.
3. mr. square states that he has pulled a muscle, inferior to the buttocks, superior to the knee, medial to the right side of the body on the posterior surface.
4. miss circle complains of a sharp pain inferior to her ears, superior to the scapula at midline on the posterior side of her body.
5. mr. x says that he has numbness and tingling on the anterior side of his left arm, distal to the wrist.
6. mrs. diamond describes a throbbing pain on the posterior side of her body, inferior to her shoulder blades and superior to her waist.
7. miss arrow states that she has had a pain on the left side of her body, superior to her neck and inferior to her forehead, lateral to her nose.
8. mr. teardrop says that he has been bitten by a spider lateral to his umbilicus on the anterior aspect of his body, superior to his hip on the right side of his body.
9. miss eight describes a burning sensation on the posterior side of her body, lateral to the spine on the left side of the body inferior to the shoulder blade, inferior to the waist but anterior to the knee.
10. mr. four shows you a deep wound on the anterior side of his body, medial to the left hip, lateral to the umbilicus, inferior to the collarbone and anterior to the waist.
Answer:
1. Right hypochondriac region (upper, right).
2. Epigastric region (upper, middle).
3. Left hypochondriac region (upper, left).
4. Right lumbar region (middle, right).
5. Umbilical region (centre).
6. Left lumbar region (middle, left).
7. Right iliac region (lower, right).
8. Hypogastric region (lower, middle).
9. Left iliac region (lower, left).
Explanation:
1. Right hypochondriac region (upper, right)- Liver, gallbladder, right kidney, small intestine.
2. Epigastric region (upper, middle)- stomach, liver, pancreas, duodenum, spleen, adrenal glands
3. Left hypochondriac region (upper, left)- Spleen, colon, left kidney, pancreas
4. Right lumbar region (middle, right)- Gallbladder, liver, right colon
5. Umbilical region (centre)- Umbilicus, parts of the small intestine, duodenum
6. Left lumbar region (middle, left)- Descending colon and left kidney
7. Right iliac region (lower, right)- Appendix and cecum
8. Hypogastric region (lower, middle)- Bladder, reproductive organs, sigmoid colon
9. Left iliac region (lower, left)- Descending and sigmoid colon.
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show that Newton's first law is the special case of Newton's second law of motion
Please find attached photograph for your answer. Please do comment whether it is useful or not.
A car is accelerating at 6 m/s2. How long would it take the car to go 12 m/s faster?
Answer:
2 seconds
Explanation:
Each second, it increases its speed by 6 m/s, so it will take 2 seconds for the speed to increase by 12 m/s.
When you put water in the ice tray in the freezer, water becomes ice. Ice is more ordered than water. Is this a violation of Second Law of Thermodynamics
Answer:
No because the heat that moved out of the water to make ice caused an even greater disorder in the environment around it.
Explanation:
In Physics what's does cos and sin stand for?
Answer:
Sin = Sine
Cos = Cosine
Explanation:
Sin(θ) = Opposite/Hypotenuse
Cos(θ) = Adjacent/Hypotenuse
Convert 4 centimeters to meters using dimensional analysis and scientific notation. Please go step by step as I am having difficulty with this subject.
Question:-
Convert 4cm to m
Solution:-
Lets do
First note down the below formula
[tex]\boxed{\sf 1m=10^{2}cm}[/tex]
Then
[tex]\boxed{\sf 1cm=10^{-2}cm}[/tex]
Now we are given 4cm
So convert
[tex]\\ \sf\longmapsto 4\times 10^{-2}m[/tex]
If we simplify to decimal
[tex]\\ \sf\longmapsto 4cm=0.04m[/tex]
Hence done .
10. What is a rule for determining the mass?
Answer:
Mass number is the sum of the protons and neutrons in the atomic nucleus.
The mass number (A) is the sum of the atomic number (Z), which is the number of protons, and the number of neutrons (N) in the atomic nucleus of an isotope of an element. A=Z+N
State the two laws of electromagnetic induction, and state them.
Add these two velocity vectors to find the magnitude of their resultant vector.
5.8 meters/seconds + 1.2 meters/seconds
The magnitude of their resultant vector is 4.6 meters/seconds
Since we are to add the velocity vectors in order to find the magnitude of their resultant vector.
Hence:
Resultant vector magnitude=5.8 meters/seconds + (1.2 meters/seconds)
Resultant vector magnitude=5.8 meters/seconds-1.2 meters/seconds
Resultant vector magnitude 4.6 meters/seconds
Inconclusion The magnitude of their resultant vector is 4.6 meters/seconds
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What is the kinetic energy of a 0.5 kg soccer ball that is traveling at a
velocity of 3 m/s?
What’s the answer
Answer:
kinetic energy = 1/2mv²
k.E =1/2 X 0.5 X 3²
k.e = 9/4
K.E = 2.25j
find the final velocity of the initial velocity of 8m/s with an acceleration of 7 m/s2 over 3 second interval
Please find attached photograph for your answer. Hope it helps! Please do comment.
A vehicle starts from rest and travels 50 m in 5 s. What is its acceleration?
Which object is not accelerating?
A A baseball player sliding into home base.
B A blue Ford 150 pick-up truck speeding up from 50 mph to 80 mph.
C A ladybug crawling forward at constant rate of 2.5 m/s.
D A student riding on a Ferris wheel at a constant rate of 5.0 m/s.
C. The ladybug's speed and direction are not changing, so she has no acceleration.
In A, B, and D, either speed or direction are changing, and that's acceleration.
what is work - energy theorem ??
The work-energy theorem explains the idea that the net work - the total work done by all the forces combined - done on an object is equal to the change in the kinetic energy of the object. After the net force is removed (no more work is being done) the object's total energy is altered as a result of the work that was done.
This idea is expressed in the following equation:
is the total work done
is the change in kinetic energy
is the final kinetic energy
is the initial kinetic energy
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An engineer is given the task of comparing the fuel efficiency of four car models. She reports the following findings: Model 1, 14 kilometers per liter. Model 2, 9 miles per liter. Model 3, 56 kilometers per gallon. Model 4, 1600 meters per liter. The data for which two models consistently follow the use of SI units?
A.
Models 1 and 4
B.
Models 1 and 3
C.
Models 2 and 3
D.
Models 3 and 4
Answer:
the ans is:-
Model 4
because it uses meters
Write any three condition required for nuclear fussion that are found in the sun.
Answer:
High pressure squeezes the hydrogen atoms together. They must be within 1x10-15 meters of each other to fuse. The sun uses its mass and the force of gravity to squeeze hydrogen atoms together in its core. We must squeeze hydrogen atoms together by using intense magnetic fields, powerful lasers or ion beams.
what is the answer to {36m= ? dm}
Answer:
360
Explanation:
just add a 0 when using dm
A mountain climber at the peak ha ___________ energy.
A.gravitational potential
B. Elastic potential
C.Kinetic
Which of the following best represents R=A+B ?
A)
B)
C)
Answer:
C
Explanation:
Options A and B are not even pointing in the direction as the vectors in the question so they shouldn't even be considered.
Option C looks like the closes since vectors A and B are pointing in a similar direction (negative x-axis)
The best representation for the resultant vector representing the resultant R=A+B would be option C because the result is represented by the closing side of the triangle, therefore the correct answer would be C.
What is a vector quantity?The quantities that contain the magnitude of the quantities along with the direction are known as the vector quantities.
Examples of vector quantities are displacement, velocity acceleration, force, etc.
As given in the problem we have to find out the resultant vector from the sum of vector A and vector B,
The resultant of the vector can be calculated with the help of the triangle law of the vector addition in which the sum is given by the closing side of the triangle.
Thus, the correct answer is option C.
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plz help me with this question
Explanation:
Here,
initial velocity(u)=25m/s
final velocity (v)=0m/s
time taken(t)= 5 second
Now,
Explain how the lithosphere, hydrosphere, and atmosphere individually and collectively affect the biosphere. (2 points)
The lithosphere is the solid layer of Earth, the hydrosphere is the water-based part, and the atmosphere is the air, they work together to shape the biosphere.
What is the lithosphere?The lithosphere is the soil part that composes the Earth's planet (i.e., the soil), the hydrosphere refers to oceans and all water bodies, while the atmosphere is the layer of air. These three layers interact with biotic factors to shape the biosphere.
In conclusion, the lithosphere is the solid layer of Earth, the hydrosphere is the water-based part, and the atmosphere is the air, they work together to shape the biosphere.
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Select the correct answer.
Calculate the force of gravity on a 1–kilogram box located at a point 1.3 × 107 meters from the center of Earth. (The value of G is 6.673 × 10-11 newton meter2/kilogram2. The mass of Earth is 5.98 × 1024 kilograms.)
A.
2.36 newtons
B.
3.58 newtons
C.
4.87 newtons
D.
8.95 newtons
Answer:
A. 2.36 Newtons
Explanation:
F = GmM/d²
F = 6.673 x 10⁻¹¹(1)(5.98 x 10²⁴) / (1.3 x 10⁷)²
F = 2.36121...
Very poor question design.
mass of box... 1 significant digit
distance... 2 significant digits
mass of earth... 3 significant digits
value of G... 4 significant digits
Answer precision to 3 significant digits is not justifiable