Answer:
yes, it will move but slowly
Explanation:
The friction force between the box and the floor don't stop it from moving.... but it slow down its speed
The primary difference between the various optical discs is the amount of data that they can store. Which optical disc stores the least amount of data
Floppy disk storage media is a type of magnetic media which only has a capacity of storing about 1.44 MB data.
Which optical disc stores the least amount of data?Blu-ray discs is the type of disc that can store up to 50 GB of data while on the other hand, floppy disk storage media stores only 1.44 MB data.
So we can conclude that Floppy disk storage media is a type of magnetic media which only has a capacity of storing about 1.44 MB data.
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Joe now shifts his focus from the tree to the squirrel. To do this, the ciliary muscles in his eyes must have _____ the curvature of the lens, resulting in a(n) _______ focal length for the cornea-lens system. Note that curvature is different from radius of curvature.
The ciliary muscles in Joe's eyes must have reduce the curvature of the lens, resulting in an increase in focal length for the cornea-lens system in order to see the squirrel.
What is the function of the ciliary muscles of the eye?The ciliary muscles of the eye is the eyes attaches the lens of the eye to the eye socket.
The relaxation and contraction of the ciliary muscles of the eye changes the shape ofthe lens.
When the ciliary muscles contracts, the lens become shorter and more thicker at the centre and can focus nearer objects.
When the ciliary muscles relaxes, the lens become longer and more thinner at the centre and can focus far objects.
Therefore, the ciliary muscles in Joe's eyes must have reduce the curvature of the lens, resulting in an increase in focal length for the cornea-lens system.
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The ________________ is the body’s system of turning food into energy.
A.
metabolism
B.
digestive system
C.
stomach
D.
endocrine system
Answer:
B
Explanation:
Digestive as it has enzymes that turn food into energy.
Which FITT principle means how hard your body is working?
Frequency
Intensity
Type
Time
Answer:
Intensity
Explanation:
Intensity is how hard you exercise. Time refers to the time of day you exercise and how long each session lasts.
Hope this helps you!
Answer: Intensity
Explanation: Intensity is how hard your exercise. We might categorize this as low, moderate, or high intensity.
What is a benfit of useing a restince band in workouts?
Answer:
It makes it more difficult to move, making it stretch and exercise your muscles better becuse there is a resistant force to overcome.
Explanation:
-Sky :3
Answer:
It keeps sweat out of your eyes, because it absorbs it.
Explanation:
Sweat is still liquid, and plus if you pay extra and can even have some sort of cooling gel.
Sky is also correct.
A sample of 0. 200 moles of nitrogen occupies 0. 400 l. Under the same conditions, what number of moles occupies 1. 200 l?.
Answer:0. 600
Explanation: basic math
Calculate the buoyant force of air (density 1.20 kg/m3 ) on a spherical party balloon that has a radius of 17.0 cm .
The buoyant force of air will be 246.25 N.Buoyancy force is the multiplication of the density, gravity, and volume.
What is buoyancy force?A fluid exerts an upward force against the weight of a partly or completely submerged item. The weight of the overlying fluid causes pressure to rise with depth in a column of fluid.
The buoyancy force is found by the formula as;
[tex]\rm F_B = \rho g V[/tex]
[tex]\rm \rho[/tex] is the density
g is the acceleration due to gravity
V is the volume
[tex]\rm F_B[/tex] is the buoyancy force
The volume of the spherical balloon is;]
[tex]\rm V= \frac{4}{3} \pi r^3 \\\\ \rm V= \frac{4}{3} \times 3.14 (17.0 \times 10^{-2})^3 \\\\ V=0.2056 \ m^3[/tex]
The buoyancy force is found by the formula as;
[tex]\rm F_B = \rho g V \\\\ \rm F_B = 1.20 \times 9.81 \times 0.2056 \\\\F_B = 246.25 \ N[/tex]
Hence the buoyant force of air will be 246.25 N.
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Please Help! 25 BRAIN POINTS
Romeo (m = 60 kg)runs North towards Juliet (m = 45 kg) at a speed of 1.5 m/s. Juliet runs South towards Romeo at a speed of 2.2 m/s. The 2 collide (epic hug) in a head-on perfectly elastic collision. Find the velocity of the star-crossed lovers immediately after the collision.
Answer: V' = 1.514m/s
Explanation: Given the Impulse-Momentum Theorum, this is a description of an INELASTIC Collision. When you hug, you stick, making it inelastic.
Formula: m1xV1+m2xV2= pTotal, or total momentum
m1=60kg
V1=1.5m/s
m2=45kg
V2=2.2m/s
so (60)(1.5)+(45)(2.2)=159 kgm/s
To find the Resultant velocity of the lover(s) - plural (signalling inelastic)
you would take the sum of the m1+m2, which is 105kg-> then create the equation 159/105, which is the total momentum divided by the total mass, which would equate to the resultant velocity of an inelastic collision.
Hope this helped.
Can someone write how to determine the viscosity of glycerin by falling ball ?
Answer:-
The terminal velocity of a steel ball 2 mm in diameter falling through glycerin is 44×10 - ²
cm/s (Given that specific gravity of steel = 8, specific gravity of steel =8, specific gravity of glycerin a 1.3, viscosity of glycerine 8.3 poise.) .
Draw an energy chain diagram to show energy transformations for this event:
A car's engine burns fuel to move the car down the road. The car's engine heats the car and the
outside air.
The energy chain diagram in this case is chemical energy >> energy conversion >> motion (kinetic) energy + thermal energy.
What is an energy chain diagram?An energy chain diagram is a graphic representation indicating the conversion between different types of energies.
Kinetic energy is a type of motion (movement) energy generated by using potential (stored) energy.
Chemical energy (in this case, the fuel of the car) is a type of energy that is stored to perform work.
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Answer:
Explanation: edmentum
Hello people ~
If the outer shell is earthed, then the free charge on the outer surface goes to earth but the inner charge remains bounded to the charge on the inner shell so that the potential of the outer shell connected to the earth becomes ______________
a)6
b)2
c)0
d)8
Answer:
c) 0Explanation:
We know that charge on facing surfaces is equal and oppositeSo if charge on inner sphere is q₀, then charge on inner surface of shell should be −q₂ as the shell is earthedSo its potential should be zero.A grating has 350 rulings/mm. What is the longest wavelength for which there is a 6.0th-order diffraction line
For a grating having 350 rulings/mm, longest wavelength is mathematically given as
lambda_max=3.704*10^{-7}m
What is the longest wavelength for which there is a 6.0th-order diffraction line?Generally, the equation for the wavelength is mathematically given as
lambda=dsin\theta/6
Therefore, for lamda_max theta=\pi/2
lambda_max=dsin\pi/2 /6
In conclusion
lambda_max=d/6
lambda_max=3.704*10^{-7}m
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To heat the water in the tank from 50°C to 58°C the immersion heater transfers
4032 kJ of energy to the water.
Calculate the mass of water in the tank.
Specific heat capacity of water= 4200 J/kg°C
Let's see
∆T=58-50=8°CSo
[tex]\\ \rm\Rrightarrow Q=mc\Delta T[/tex]
[tex]\\ \rm\Rrightarrow 4032=4200(8)m[/tex]
[tex]\\ \rm\Rrightarrow 4032/8=4200m[/tex]
[tex]\\ \rm\Rrightarrow 504=4200m[/tex]
[tex]\\ \rm\Rrightarrow m=0.12kg[/tex]
[tex]\\ \rm\Rrightarrow m=120g[/tex]
A dentist uses a concave mirror to examine a tooth that is 1cm in front of the mirror. The image of the tooth forms 10cm behind the mirror.
a. What is the mirror's radius of curvature?
b. What is the magnification of the image?
a) The mirror's radius of curvature will be 2.7 cm
B) The magnification of the image will be 4.0.
What is a concave mirror?When a hollow spherical is divided into pieces and the exterior surface of each cut portion is painted, it forms a mirror, with the inner surface reflecting the light.
From the mirror equation;
[tex]\frac{1}{p}+\frac{1}{q} =\frac{1}{f} \\\\ \frac{1}{1}+\frac{1}{-10} =\frac{1}{f} \\\\ \frac{1}{f} = 1-\frac{1}{10} \\\\ \frac{1}{f} = \frac{9}{10} \\\\ f= 1.1111[/tex]
Hence,
The radius of curvature is twice of the focal length;
[tex]\rm R = 2f \\\\ \rm R = 2\times 1.111 \\\\ R=2.2222 \ cm[/tex]
Hence, the mirror's radius of curvature will be 2.7 cm.
The magnification factor is found as;
[tex]\rm m = \frac{-q}{p} \\\\ m = \frac{-(-10)}{1} \\\\ m = 10[/tex]
Hence, the magnification of the image will be 4.0.
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Which of the following describes the structure of an airplane wing?
A. To help the airplane change directions
B. Smooth, wide shape with a curved edge
C. To lift the airplane off the ground
D. Flat, thin metal with silver stripes
Answer:
B.Smooth, wide shape with a curved edge
Which type of light is emitted from objects with the highest temperatures?.
is the statement down below true or false?
A planet's path is an ellipse centered on the sun, according to Kepler's first law
What is the best prediction for what will happen when all of the hydrogen in the sun has undergone fusion? helium nuclei will split to form hydrogen, and the sun will no longer release energy. helium nuclei will split to form hydrogen, and the sun will continue to release energy. helium nuclei will fuse to create heavier elements, but the sun will no longer release energy. helium nuclei will fuse to create heavier elements, and the sun will continue to release energy.
Helium nuclei splitting to form hydrogen, and the Sun will no longer release energy will occur when all the hydrogen in the sun undergoes fusion.
What is Fusion?This occurs when two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles.
In a situation where all the hydrogen in the sun has undergone fusion, the helium nuclei will split to form hydrogen, and the Sun will no longer release energy.
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Suppose that the mirror is moved so that the tree is between the focus point F and the mirror. What happens to the image of the tree?
(1 point)
The image of the tree between the focus point F and the mirror moves behind the curved mirror. This is further explained below.
What is a mirror?A smooth surface such as glass that reflects pictures In the mirror, the law of reflection says that when a ray of light is produced to fall on a reflecting surface, the reflected ray has its angle of reflection, the incident ray has its angle of reflection, and the reflected ray is normal to the surface at a point of incidence.
In conclusion, Behind the curved mirror, the image shifts.
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Answer: The image moves behind the curved mirror.
Hope this helps :)
During a spontaneous fission reaction, net energy ____
Group of answer choices
is released
is absorbed
is zero
(10 points)
a. Ball 3 has the lowest speed.
b. Ball 1 has the lowest speed.
c. All three balls have the same speed.
D. The speed of the balls depends on their mass.
Answer:
option b has the correct answer of given statement
If f(x) = -x2+x-1 then value of f(f(2)) is
Answer:
-13
Explanation:
Function
f(x) = -x² + x - 1Solving
Substitute 2 in place of xf(2) = -(2)² + 2 - 1f(2) = -4 + 2 - 1f(2) = -3f(f(2)) = f(-3)f(-3) = -(-3)² - 3 - 1f(-3) = -9 - 3 - 1f(f(2)) = -13An electromagnet would
have the greatest strength
if its wire were wrapped
around a core made of:
A paper
B copper
C aluminum
D iron
An electromagnet would have the greatest strength if its wire were wrapped around a core made of copper.
Electromagnetic strengthThis is the strength of an electromagnet which increases with increase in the number of turns of the coil, thickness of the coil and magnetic field strength.
emf = NBA/t
The strength of an electromagnet also increases with increase in current and voltage flowing in the loop.
Copper is better conductor of electricity when compared to aluminum and iron.
Thus, an electromagnet would have the greatest strength if its wire were wrapped around a core made of copper.
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Eight-year-old shaun’s parents are concerned that he may have dissociative amnesia due to his inability to remember certain phases of his life. why would his doctor be hesitant to diagnose him? a. shaun is adopted and his doctor is uncomfortable diagnosing him without a full family history. b. shaun is male and his doctor knows that this diagnosis is most common in females. c. children of this age have a normal lapse in memory of events that occurred before the age of 5. d. shaun is a very strong-willed child and will not be a good candidate to hypnotize. please select the best answer from the choices provided a b c d
Doctor would be hesitant to diagnose him because children of this age have a normal lapse in memory of events that occurred before the age of 5.
What is Memory?This is the faculty of the mind where information is stored and retrieved when it is needed.
Children before reaching 5 years old normally have lapse in memory of events that occurred which is why option C was chosen.
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You are on a camping trip, far away from city lights. You look up into the dark night sky, and see lots of stars, some brighter, some dimmer. All the stars you see with your unaided eye are
All the stars you see with your unaided eye are part of the galaxy called the milky way.
What is a galaxy?The term galaxy refers to a collection of stars. We have to note that various planets have their own individual galaxies.
All the stars you see with your unaided eye are part of the galaxy called the milky way.
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MARKING BRAINLIEST AND 50 POINTS
If the net force on an object is in a negative direction, what will the direction of the resulting acceleration be?
Do you think the benefits outweigh the risks for using nuclear energy? If not, why not? If so, explain.
How can you increase the force required to move an object without changing the mass of the object?
To increase the force required to move an object without change mass is : To increase the acceleration of the object
Force acting on an object
Given that Force = Mass * acceleration
An increase in the acceleration of an object in motion will result in a proportional increase in the Force required to move the object becasue force of an object is directly proportional to the acceleration of an object.
Hence we can conclude that To increase the force required to move an object without change mass is To increase the acceleration of the object.
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A galaxy containing substantial amounts of dark matter will.
Answer:
spin faster
Explanation:
-
Answer:
A galaxy containing substantial amounts of dark matter will spin faster
what is the electric potential energy of a charge that experiences a force of 4.6 x 10-5N when it is 5.8 x 10-5 m from the source of the electrical field
Answer:
what is this i am in class 7 i dont know and not read yet