can someone solve this ?

Answer:

433 J

Explanation:

F = 100 N, θ = 30°, m = 15 kg, d = 5 m

Work done = F * d * cosθ = 100 * 5 * cos(30) = 433 J

Answer:

Explanation:

V=2140CM3

M=VOLUME*DENSITY

7500kg/m3=7.5g/cm3

2140cm3*7.5g/cm3=16050

16050g

Answer: Your answer is D. The process by which new minerals form from existing minerals as a result of elevated temperature or pressure

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Answer: The answer is D: Synthetic polymers including polyester and nylon, make up a large category of synthetic material.

Explanation:

Answer:

[tex]\huge\boxed{\sf x = 18\°}[/tex]

Explanation:

If ∠ABC and ∠DEF are complementary angles, this means they add up to 90 degrees.

So,

∠ABC + ∠DEF = 90°

72 + x = 90

Subtract 72 to both sides

x = 90 - 72

x = 18°

[tex]\rule[225]{225}{2}[/tex]

The highest frequency sound to which the machine can be adjusted is :

Given data :

Pressure = 10 Pa

Speed of sound = 344 m/s

Displacement altitude = 10⁻⁶ m

applying the formula below

Pmax = [tex]B(\frac{2\pi f}{v}) A[/tex] --- ( 1 )

Therefore :

f = ( Pmax * V ) / [tex]2\pi \beta A[/tex]

 = ( 10 * 344 ) / 2[tex]\pi[/tex] * 1.31 * 10⁵ * 10⁻⁶

 = 4179.33 Hz

Hence we can conclude that The highest frequency sound to which the machine can be adjusted is : 4179.33 Hz .

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Attached below is the missing part of the question

A loud factory machine produces sound having a displacement amplitude in air of 1.00 μm, but the frequency of this sound can be adjusted. In order to prevent ear damage to the workers, the maximum pressure amplitude of the sound waves is limited to 10.0 Pa. Under the conditions of this factory, the bulk modulus of air is 1.31×105 Pa. The speed of sound in air is 344 m/s. What is the highest-frequency sound to which this machine can be adjusted without exceeding the prescribed limit?

Answer:

2.5 mi/s^2

Explanation:

please see paper for work!

Answer: 0.0196 Newtons (0.0196N)

Explanation:

Weight is the test mass multiplied by the gravitational field created from the source mass. The source mass is the Earth, and the test mass is the computer chip:

[tex]W=mg[/tex]

[tex]W=(0.002kg)(9.8m/s^2)[/tex]

[tex]W=0.0196N[/tex]

This is because no battery or energy storage device is 100% efficient, meaning that some of the energy that goes into charging the battery is lost as heat or other forms of energy during the charging process.

This loss of energy is due to several factors, including resistance in the battery's electrical components, chemical reactions that occur within the battery during charging, and other inefficiencies in the charging process.

As a result, when the battery is discharged, it cannot release all the energy that was originally put into it during charging, and some of the energy is lost as heat or other forms of energy. This is known as energy loss or energy dissipation, and it is a common occurrence in all types of energy storage systems.

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Answer:

0.23 J

Explanation:

k*(36 - 28) = 23

so k = 23/8 N/cm

W = k(32 - 28)²/2 = 23/8 * 4²/2 = 23 N-cm = 0.23 J

lost some electrons I think

Answer:

5.8 kg*m/s

Explanation:

p = mv

momentum = mass times velocity

momentum =  0.145 kg times 40.0 m/s

momentum =  0.145* 40.0

momentum = 5.8 kg*m/s

If a capital letter R is seen in an ordinary mirror, it will look like option D. The correct option is D.

Something that is reversed with respect to a previous instance of the same thing, or with respect to a plane or axis in between. The best illustration of a virtual image is a reflection in a mirror.

Real images are created by intersecting rays, and virtual images are created by diverging rays. A mirror creates a virtual image by reflecting a real image (blue) back to the viewer (red), giving the impression that the items in the image are behind the mirror's surface and facing the other way (purple).

The R in the mirror will look vertically inverse. The types of mirrors are plane mirrors, rotating mirrors, inclined mirrors, and spherical mirrors.

Therefore, the correct option is D.

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Answer:

Twice as much

Explanation:

D 5-7 Be the only person I know of is the Book with all men and men and people experience the first of the wisdom and

The acceleration produced will be one-half as much.

Acceleration is rate of change of velocity with time. Due to having both direction and magnitude, it is a vector quantity. SI unit of acceleration is meter/second² (m/s²).

From Newton's 2nd law of motion; it can be written that:

Force = mass × acceleration

acceleration = force/mass.

Now, according to the question, an unbalanced force of 2 newtons applied to a given mass produces an acceleration.

So, when  an unbalanced force of 1 newton is applied to the same mass, the force applied on the object becomes half.

Hence, from the equation, the acceleration produced will be one-half as much.

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Answer:

Limited Conservation

Explanation:

Atoms

matter is never created or destroyed, it cycles through our world. Atoms that were in a dinosaur millions of years ago—and in a star billions of years before that—may be inside you today. The tiny particles called atoms are the basic building blocks of all matter

nationalgeographic

Answer:

wd = F * D

wd = 100 * 5

wd = 500

The work done on the box is 500 Joules.

When an object is moved over a distance by an external force, at least a portion of which is applied in the direction of the displacement, it is said to have done "work" in physics. By multiplying the length of the path by the component of the force acting along the path, work can be calculated if the force is constant.

As work is a scalar quantity, it can be defined only by magnitude, it has no direction. SI unit of work is Joule and CGS unit of work is erg.

Given parameters:

Mass of the box: m = 4 kg.

Force applied on the box: F = 100 N.

Displacement of the box: d = 5 meters.

Hence, the work done on the box is = applied force × displacement

= 100 N × 5 meters

= 500 Joules.

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Due to stronger cohesive than adhesive forces mercury levels falls in a capillary tube. However, water level rises in a capillary tube due to greater adhesive than cohesive forces.

Capillary action refers to the rise or fall of a liquid in a narrow tube.

The height to which a liquid is depressed or rises in a narrow tube depends on the strength of the cohesive forces of the molecules of the fluid compared to the adhesive forces between the molecules of the fluid and the walls of the tube.

In water, the adhesive forces between the walls of the tube and water molecules is greater than the cohesive forces between water molecules, hence water rises in a capillary tube.

In mercury the adhesive forces between the walls of the tube and water molecules is less than the cohesive forces between mercury molecules, hence mercury levels falls in a capillary tube.

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Answer:

44.4 m/s

Explanation:

d = 80 m, t = 1.8 s, find v

d = v*t

v = d/t = 80/1.8 = 44.4 m/s

Answer:

D

Explanation:

Answer:

A. D

Explanation:

The force of gravity on the surface of the new planet is g

Option A is correct

Force of gravity: the force of gravity speaks to the force that acts on every body that exists under a given space or planet.

The force of gravity acts on masses to create weight.

W=mg

Generally the equation for the Force of gravity is  mathematically given as

[tex]g=\frac{Gme}{Re^2}\\\\Therefore\\\\g'=\frac{G*4Me}{2Re^2}\\\\g=4/4\frac{GMe}{Re^2}\\\\[/tex]

g=1g

Therefore, the force of gravity on the surface of the new planet is g

Option A is correct

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Answer:

F = M a       Newton's second law

a = v^2 / R = (3.7 m/s)^2 / .10 m = 137 m/s^2

M = F / a = 670 N / 137 m/s^2 = 4.89 kg

Answer:

°c to °F = 176°F

°c to K = 353 K

Explanation:

1, °c to °F = (°c × 9/5) +32

[tex](80 \times \frac{9}{5} ) + 32[/tex]

(16 × 9) + 32 = 144 + 32 = 176°F

2, °c to K = °c + 273

[tex]80 + 273[/tex]

= 353 K

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The Identification of what is being described in the text above is written below:

This was known to be the first and original name that was given to badminton. This word was said to have originated  from a city that has the same name in India where badminton was said to be a popular sport that was played by the British military officers.

Conclusively, badminton is a very popular sport today and the name and rules used in Poona were first made public in 1873.

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Answer:

C. Nonrenewable, renewable

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Answer:

one-half that of Case B.

Explanation:

I am sorry if I get it wrong

Answer:

the amount of carbon dioxide used is equal to the amount of oxygen formed.

Explanation:

I hope that helped you didn't put any statements so I couldn't really tell witch one was right-  

Answer:

work done on the body is the product of the 3 quantities provided

Explanation:

Raising the object, the work done will be the potential energy.

potential energy equals mgh.

Get the remaining quantities and multiply it out g is usually 10m/s

Answer:15 Amps

Explanation:

CK12 said it was right