Answer:
D. Blackbody radiation
Explanation:
Such absorbs all colors of light due to the spectrum determined by temperature only.
what do you mean by Spin quantum number?
Answer:
In atomic physics, the spin quantum number is a quantum number (designated ms) which describes the intrinsic angular momentum (or spin angular momentum, or simply spin) of an electron or other particle.
How does Bolsa describe his new client?
Answer:
loco
Explanation:
An apple weighing 1 N falls through a distance of 1m. How much work is done
on the apple by the force of gravity?
Answer:
W = F × d
W = 1 × 1
W = 1 Joule
step by step explanation
An apple is having a force of 1 N and it travels to a distance of 1 m then the work done on the apple by the force of gravity will be equal to 1 J.
What is Work?Work is a physics term used to describe the transfer of energy that occurs when an object changes above a distance because of an external force, at least some of which is given in the vector of the dislocation. The element of the strong acting all along the path multiplied by the length of the path can be used to calculate work if the force is constant.
Mathematically, this idea is expressed as W = fd, where W is the effort and f is the force multiplied by d, the distance. Work is completed whenever the pressure is applied at an angle with regard to displacement.
As per the given information in the question,
Force, f = 1 N
Distance, d = 1 m
Then, the work done will be,
W = fd
W = 1 × 1
W = 1 J.
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difference between the speed and velocity?
Speed varies with Distance travelled w.r.t time
[tex]\boxed{\sf Speed=\dfrac{Distance}{Time}}[/tex]
Whereas velocity varies with displacement w.r.t time.
[tex]\boxed{\sf Velocity=\dfrac{Displacement}{Time}}[/tex]
what is the relationship between the variables on this graph? The temperature does not have an effect on flow time. As the temperature increases, the flow time increases. As the temperature increases, the flow time decreases.
Answer: As the temperature increases, the flow time increases.
Explanation: i took the test
The relationship between the variables on this graph is that As the temperature increases, the flow time increases, therefore the correct answer is option B.
What is the kelvin scale of temperature?It is a scale of temperature used to measure the temperature, the kelvin scale of temperature is also known as the absolute scale of temperature.
The Standard International unit of thermodynamic temperature is the kelvin, often known less frequently as the degree Kelvin. The formal definition of one kelvin is 1/273.16 of the thermodynamic temperature of pure water's triple point.
As shown in the graph as the temperature increase across the X axis the flow time is increasing as well, these two variables are directly proportional to each other.
Thus, The graph shows a link between the variables, showing that when the temperature rises, flow time also rises, hence option B is the proper response.
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What is the speed of a walking person in m/s if the person travels 2000 m in 35 minutes?
Distance = 2000m
Time = 35 minutes = 35×60 sec = 2100 sec
We know, Speed = Distance/Time
Therefore, Speed
= 2000m/2100s = 20/21 m/s
Answer: 20/21 m/s
Hope it helps! Please do comment
a scalar is a value that:
a) has neither magnitude nor direction
b)has only direction
c)has both magnitude and direction
d) has only magnitude
Explanation:
A scalar is a value that has only magnitude.
A hydrogen atom has a diameter of about 12.7 nm, express this diameter in centimeters.
We have to convert 12.7nm to cm
[tex]\\ \sf\longmapsto 12.7nm[/tex]
[tex]\\ \sf\longmapsto 12.7\times 10^{-9}m[/tex]
[tex]\\ \sf\longmapsto 0.127\times 10^{-7}m[/tex]
[tex]\\ \sf\longmapsto 0.00000127\times 10^{-2}[/tex]
[tex]\\ \sf\longmapsto 0.0000013cm[/tex]
Fatima is watching her pet cat, Winter, napping in the sun. Fatima is curious about the heart rate of Winter when she is napping, so she develops this scientific question: Does a cat’s heart rate change while it is napping
We have that for the question, Does a cat’s heart rate change while it is napping?
Cats heart rate do not increase while napping.
The range of heart beat of a cat is 140 and 220 bpm
From the Question we are asked
Does a cat’s heart rate change while it is napping.
The answer is NO
Cats heart rate do not increase while napping. Cat have a normal heart beat maximum of 220 beats per minute consistently.The range of heart beat of a cat is 140 and 220 bpm
Therefore
There is something with a cat with heart rate above this number.
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Precision is how close a series of measurements are to ______
Answer:
Accuracy is how close a measured value is to an accepted value. Precision is how close measurements are to one another. To make measurements, you have to evaluate both the accuracy and the precision to get a correct value.
What do kinematic equations do?
Answer:
The kinematics equations describe the motion of an object undergoing constant acceleration
Explanation:
The kinematics equations describe the motion of an object undergoing constant acceleration. These equations relate the variables of time, position, velocity and acceleration of a moving object, allowing any of these variables to be solved for if the others are known
The 2 Vectors shown in the image below are combined.What is the resultant quantity?
Option A is correct. The resultant quantity is 50m/s to the right.
Vector quantities are quantities that have both magnitude and direction.
From the diagram shown, we can see that 100m/s vector moves in the positive x-direction, this means that the of magnitude the vector is +100m/s.
For the vector 50m/s, we can see that it is moving in the negative x-direction, this shows that the magnitude of the 50m/s vector is -50m/s.
Resultant speed = +100 - 50
Resultant speed = +50m/s
Since the resultant speed is a positive value, this mean that the resultant quantity will be moving towards the right.
Hence the correct option will be 50m/s to the right.
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An object is attached to a spring and experiences a restoring force of 50 N . The spring constant is found to be 150N/m. How far the object displaced from equilibrium?
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Explanation:
LLLLLL
(b) On what factor does the mechanical advantage of a simple machine depend? (a) N/m B. Very short answer questions, 1. What is the principle of simple machine? 2. 3. The efficiency of simple machine is 75%. What does it mean? 4. S. What is lever? In how many classes is lever classified? Write the name of a simple machine used to change the direction of force. 6.the velocity ratio of a pulley system is 4.what does it mean? 0 Reliant Science - 9
Answer:
No.b answer
the ratio of the length of the lever arm where the force is applied divided by the length of the lever are that lifts the load.
No.1 answer
if there is no friction in a simple machine, work output and work input are found to be equal in the machine.
No.3 answer
machine that is 75% efficient means that 75% of the work input is obtained as the useful output and the remaining 25% has been lost in overcoming the friction.
No.4 Answer
A lever is a simple machine made of a rigid beam and a fulcrum. In 3 calss lever is classified.
Simple pulleys change the direction of the force used to lift an object over a distance.
ratio of distance travelled by effort to the distance travelled by load in the machine.
Hope this will help you alot
Have a great day ❤️
keep smiling
how do i get the correct answer for 0.429m to mm
the answer for 0.429m to mm is 429
Answer:
0.429m=429 mm
Explanation:
Since there are 1,000 millimeters per meter, you need to multiply by 1,000 to convert from meters to millimeters.
An Internet connection transfers 32 kilobytes per second. How many bytes are being transferred every second?
Answer:
32,000
Explanation:
There are 1,000 bytes in each kilobyte, so therefore 32,000 bytes are transferred each second.
3. A Tylenol has 80 mg of acetaminophen.
How many grams is that
[tex]\boxed{\sf 1g=1000mg}[/tex]
[tex]\\ \sf\longmapsto 80g[/tex]
[tex]\\ \sf\longmapsto \dfrac{80}{1000}[/tex]
[tex]\\ \sf\longmapsto 0.08g[/tex]
A baseball is thrown a distance of 20 meters. What is its
seconds to cover the distance?
speed if it takes 0.5
Answer:
I want to say 10 seconds but im not 1000% sure
Answer:
Average speed= distance traveled/ time taken.
Explanation:
You shouldn't need any formula, just use common sense. You dummy. It goes 20m 10h half a sec. DUH!!!
Which property of a quarter is different on the International Space Station than it is on Earth?
Its mass
Its weight
Its volume
Its density
(c) What are the factors of work? Also write their relation with work.
Answer:
Explanation:
Appreciation for your work.Good relationships with colleagues.Good work-life balance.Good relationships with superiors.Company's financial stability.Learning and career development.Job security.Attractive fixed salary.Good relationships with colleagues. Good work-life balance. Good relationships with superiors. Company's financial stability.
Applying the speed of Sound
Johnny was playing baseball with his friends and they noticed a bolt of lightning They heard thunder seven seconds
How far away is the storm?
meters
Answer:
2,317
Explanation:
on e
scientific notation expresses a value as the product of a number between 1 and 10 and_____
Answer:
and the power to which the number should be raised:
1.50E2 = 1500
4.167E4 = 41,760
4.167E-4 = .0004176
Mass of the earth = 5.98 * 10^24 kg = 5.98E24 kg
Some examples of scientific notation
Answer:
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3. ¿Cuál es la distancia focal de un espejo CONVERo sabiendo que un objeto colocado
a 4 cm de él da una imagen virtual situata a 2 cm del espeso? ¿Cuál es el radio de
curvatura del espejo? Determina también las características de la imagen sie
objeto mide 5 cm
i dont know for real
what are 2 ways elastic energy affects us as humans
Answer:
The coil spring of a wind-up clock.
An archer's stretched bow.
Explanation:
1. The atomic number of an element is the same as the number of ______ that the element has.
Answer:
Explanation:
The total number of protons in the nucleus of an atom gives us the atomic number of that atom. It is represented with the letter ‘Z.’ All the atoms of a particular element have the same number of protons, and hence the same atomic number. Atoms of different elements have different atomic numbers.
1.
100 cm are equivalent to 1 m. How many cm are equivalent to 3 m? Briefly explain how you
could convert any number of meters into a number of centimeters
Answer:
[tex]300[/tex] cm are equivalent to [tex]3[/tex] m.
Explanation:
[tex]100[/tex] cm are equivalent to [tex]1[/tex] m.
[tex]100 \mathrm{~cm}$=1{~m}$[/tex]
[tex]3 \mathrm{~m}$=3\times100[/tex]
[tex]=$300{~cm}$[/tex]
To convert meters ([tex]\mathrm{~m}$[/tex]) into number of centimeters ([tex]\mathrm{~cm}$[/tex]), multiply that number by [tex]100[/tex].
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PLZ FAST Scientific knowledge is both long lasting and always _______.
changing
non-observable
permanent
untestable
Which unit is used to measure the mass of a computer?
Answer:
kilogram
Explanation:
3) While driving home you see a deer leap out in front of you car. If you slam on your breaks to avoid hitting the deer, and it slows you down from 20m/s to 10m/s in 2 seconds what was your acceleration during this time?
Answer:
Hope that helps...thats the formular you use when it involves two speeds
A projectile is launched vertically with an initial velocity of 50 m/s. How long would it take to reach the top of the launch?
Answer:
Explanation:
Givens
vi = 50 m/s
vf = 0
a = - 9.81
t = ?
Formula
t = (vf - vi)/a
Solution
t = (0 - 50)/-9.81
t = 5.097
Notice that a is made into a minus. It does not mean subtract. It means that the direction of the projectile and gravity must go in opposite directions. You will find that direction is a critically important consideration in physics.
Answer:
It'd take it 5.10 seconds
Explanation:
At the top of the launch, it is maximum height, h
formular derivation :
At maximum height, final velocity, v is zero
From first newtons equation:
[tex]{ \sf{v = u + gt}}[/tex]
v is the final velocity
u is the initial velocity
g is acceleration due to gravity
t is the time taken
but v is zero:
[tex]0 = u + gt \\ gt = u \\ t = \frac{u}{g} [/tex]
since it is vertical motion, u = usin(theta), where angle is 90°
[tex]{ \boxed{t = \frac{u \sin( \theta) }{g} }}[/tex]
t is the time taken to reach the top of the launch:
substitute, taking g to be 9.8 m/s²
[tex]t = \frac{50 \times \sin(90 \degree) }{9.8} = \frac{50}{9.8} \\ \\ { \boxed{ \boxed{time = 5.10 \: seconds}}}[/tex]
