The rotational inertia of the meter stick about the midpoint is 0.0625 kg·m²
What is Rotational inertia?Rotational inertia, or moment of inertia, is the measure of an object's resistance to angular acceleration. It is calculated by multiplying the mass of the object by the square of its distance from the axis of rotation.In this case, the meter stick has a mass of 0.25 kg and is rotating about its midpoint. This means the distance from the axis of rotation to each end of the meter stick is 0.5 m (since the midpoint is the axis of rotation).Therefore, the rotational inertia of the meter stick about its midpoint is: Rotational inertia = 0.25 kg x (0.5 m)² = 0.0625 kg·m²
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There is a scale with a basket on it. A brick, brick #1 is placed on the scale. The brick has a mass of 10 kg. What are the two forces acting on the brick?
Answer:
Weight and reaction.
Explanation:
With respect to Newton's third law of motion, action and reaction have equal magnitude but acts in opposite direction.
Thus, the brick of mass 10 kg has its weight (due to gravitational pull of the earth), which acts downwards through its center of mass. This makes the scale to produce an opposing force of equal magnitude, which acts upwards. These two forces acting in opposite directions balancing each other.
The two forces acting on the brick are: its weight and the reaction from the scale.
Explain why it is better to jump and land with bent knees rather than straight legs? Use key physics vocabulary.
Answer:
Bent knees
Explanation:
Depending the height your jumping from, if you were jumping from a high structure it's best if you jump and land on knees so you dont sprang your ankles from jumping and landing on your straight legs, you could even pull a muscle if you land on straight legs.
One scientist suggests that out of the different possible locations, they should design the model and build it at the equator recieves the most intense solar radiation. Which if the following is the most appropriate critique for the scientist's suggestion?
A. Earth's equator is not hot enough to simulate the Martian daytime.
B. The high mountain top gets the same amount of radiation as the equator, but with atmospheric conditions that are more similar to Mars.
C. The equator has deserts that are actually too dry compared to Mars.
D. The Antarctica has the same nighttime temperature as Mars, but with a similar amount of ice compared to the equator.
Answer:
B.
I think.
Explanation:
Mars doesn't have that much of an atmosphere!
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What is another term that refers to foodborne illness?
Who is farther from home at 4 minutes?
Answer:
lil's sister
hope this helps pls mark brainliest
is the number of paper clips in step 2 the same as the number of paper clips in step 3? why do/don't you think so?
The number of paper clips in step 2 is the same as the number of paper clips in step 3 is a true statement, as the mass is the same for both.
What is mass?It is possible to define every mechanical quantity in terms of mass, length, and time. The SI unit for mass, denoted by the letter m, is the kilogram. While mass is typically thought of as an immutable feature of an item, relativistic mass must be taken into account when traveling at speeds close to the speed of light.
Given:
The mas of the paper clips are the same,
Assume the number of clips in step two is x and the mass is m, the mass in the third step is the same as in step 2,
Thus, the number of clips = Total mass of paper clip / mass of one clip,
The number of clips = m / x
As we can see, if the mass is equal, then the number of clips will also be equal.
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tartaric acid is present in spinach true or false
Answer:
falseExplanation:
because Oxalic acid is present in spinach
MARK ME AS BRAINLISTCalculate the momentum of a 1kg box moving at a velocity of 50 m/s.
the momentum = m * v
m : mass
v : velocity
momentum = 1 * 50 = 50 kg.m/s
2
Type the correct answer in the box
A car has a mass of 1,000 kilograms. The weight of the car is
nenors. Use g*98 Nike for granty
Reset
Ben
Answer:
Weight = 9800Newton
Explanation:
Given the following data;
Mass of car = 1000kg
Acceleration due to gravity = 9.8m/s²
To find the weight of the car;
Weight is given by the formula;
Weight = mass * acceleration due to gravity
Substituting into the equation, we have;
Weight = 1000*9.8
Weight = 9800Newton
What is one enThe law of conservation of energy states that energy can neither be created nor destroyed. What does “conservation” mean in this law?ergy transformation that is taking place in the photo?
Answer:
The preservation of a physical quantity during transformations or reactions.
Explanation:
An object can have forces acting upon it, but might not accelerate
True
or
False?
Answer:
true
Explanation:
if you apply force to the top of a square it will not move
friction is a:
A.balance force
B.unbalance force
C.type of motion
D.type of direction
Answer:
c
Explanation:
becaz its motion and without motion u cant get friction
Answer:
A
Explanation:
hope this helps
mark me brainlistThe angle between the incident ray and the reflected ray from a mirror is 720.
Find the angle of incidence.
Answer:
when a ray of light is incident normally on a plane mirror the angle between incident and reflected ray is 0 degree or 180 degree
Explanation:
Which of the scientist responsible for cell theory would be the most likely to write a book titled Cells Come from Cells
Answer:
Rudolf Virchow
Explanation:
popularized the cell theory in an 1855 essay entitled “Cellular Pathology.” (b) The idea that all cells originate from other cells was first published in 1852 by his contemporary and former colleague Robert Remak (1815–1865).
Explanation:
Rudolf Virchow
-Rudolf Virchow would be the most likely to write a book titled 'Cells Come From Cells' because in cell theory he added a point that 'All cells arises from pre-existing cells. ' which means that all cells come from another cells which is as similar as the title of the book
what is the wavelength of these waves???
Answer:
The wavelength is 6 meters.
Explanation:
20 POINTS! PLZ HELP ME. :-)
Answer:
A
Explanation:
Because both the elements are non-metals
Which of the following waves has the longest wavelength? Group of answer choices a.ultraviolet b.gamma c.visible light d.microwaves
Answer: visible light
Explanation:
Where did Ford first see parts made from vanadium steel? What properties of this steel impressed Ford? Did Ford need to overcome any problems before going ahead with his plan?
Explanation:
Historical sources believe that Henry Ford first saw parts made from vanadium steel in Europe which were been used on racing cars and luxurious vehicles.
Ford was impressed due to the fact that Vanadium steel unlike normal steel was cheaper and at the same time stronger and lighter if it was used on automobiles.
uses of electromagnetic wave
What is the volume of the water in the graduated cylinder gizmo Student Volume Lab Sheet (cm3 and mL)
Answer:
The volume of water in the graduated cylinder will be equal to the calculated volume of the sphere.
Explanation:
The volume of solid objects can be measured by completely immersing these solids in an overflow faucet filled to brim with a liquid in which the solid does not dissolve. This is known as the displacement method. When water is used, it is known as water displacement method.
In the Volume Lab Sheet, a sphere whose volume has been pre-calculated is immersed in the overflow faucet containing water. The displaced water is collected in a beaker and the volume is obtained using a 50 mL measuring cylinder.
The volume of a sphere is calculated using the following formula:
Vsphere = 4πr³/ 3
The symbol π represents the number pi, which is about 3.14. The letter r stands for the radius of the sphere, which is the distance from the center of a sphere to its surface. The radius is exactly half of the diameter, which is the distance across the sphere through its center.
The volume of the water in the measuring cylinder is found to be equal to the calculated volume of the sphere. This is because an object immersed completely in a liquid displaces a volume of liquid equal to its own volume.
Pick all the right ones !!
Identifying Applications of Electromagnetic Waves
Quick
Check
Match the electromagnetic wave with its application.
ultraviolet waves
disruption of DNA production in bacteria
and viruses
gamma rays
destruction of cancer cells
X-rays
diagnosis of illnesses through medical
imaging
Answer:
gamma ray-destruction of cancer cells
Ultraviolet wave-disruption of DNA
X-ray-diagnosis of illnesses through medical
Explanation: on edg
Answer:
Here
Explanation:
pls help i’ll give brainliest if you give a correct answer!!
Answer:
South ....................
Answer:
South ;)
Explanation:
I just did it .
Is there a difference in how a black shirt or a white shirt affects our exposure to us radiation?
2x+1-2x=8. solve this problem math
Answer:
x=7
Explanation:
2x+1-2x=8
or,2x-2x=8-1
x=7
An orbiting satellite experiences no force due to the Earth's
gravity.
Answer:
false
Explanation:
The statement "An orbiting satellite experiences no force due to the Earth's gravity." is a False statement. This is further explained below.
What is Gravity?Generally, Gravity is simply defined as the force that pulls items toward the center of a planet or other entity.
In conclusion, an orbiting satellite experiences force due to the Earth's gravity.
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i need help it is psychology
Answer:
C. Forebrain
Explanation:
The Basil Ganglia, sits on the base of the forebrain.
if the 50 kg object slows down to a velocity of 1 m/s how much kinetic energy does it have 100j 50j 25j or none
[tex]ek = \frac{1}{2}m {v}^{2} [/tex]
[tex]ek = \frac{1}{2}(50) {(1)}^{2} [/tex]
[tex]ek = \frac{1}{2}(50)[/tex]
[tex]ek = 25j[/tex]
//
I'm not really sure but I do know that it's not 0 because the object is still moving, even if it's only moving at 1 m/s.
Where do electrons spend most of their time?
Answer:
around the nuclei of each atom
Explanation:
Answer:
Before bonding, the atom's electrons spend most of their time around the nuclei of each atom.
Explanation:
Once bonded, the electrons spend most of their time between the two nuclei.
Why can videos be streamed from one computer to another with excellent quality?
Answer:
(d) they are transmitted using digital signals
Explanation:
i just did the quiz an got it right
Answer:they are transmitted using digital signals
Explanation: