Which could describe the properties of sedimentary rock?
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Answer:

Explanation:

w = number of pennies

x = number of nickels

y = number of dimes

z = number of quarters

0.01w + 0.05x + 0.10y + 0.25z = $104

w + x + y + z = 1000

w = 4x

w = 2y

nickels, dimes and pennies are in a ratio of 1:2:4

if there is 1 nickel, the value of penny + nickel + dime is $0.29

As we know the sum of all the coins is a whole dollar, we must find a point where multiples of 0.29 end in .00, 0.25, 0.50 or 0.75 so that quarters can make up the difference.

This first occurs at a count of 25 nickels, 50 dimes and 100 pennies.

That is 175 coins summing a total of $7.25

1000 coins / 175 coins/set = 5.71... sets

We know that we can only use full sets to reach an even dollar amount.

We only have a potential 5 sets to check, but because our set value comes to $7.25, let's guess at 4 sets to make the decimal portion go to .00

4($7.25) = $29

$104 - $29 = $75

$75 in quarters is 75(4) = 300 coins

300 + 4(175) = 1000 coins   BINGO

4(1)(25) = 100 nickels

4(2)(25) = 200 dimes

4(4)(25) = 400 pennies

                300 quarters

if the values of mass (m) and radius (R) are provided, the moment of inertia of the body about an axis through the center of disk A can be calculated as (3/2) * m * R^2, and the kinetic energy of the rotating body would be 162 * m * R^2 Joules.

To calculate the moment of inertia of the body about an axis through the center of disk A, we need to consider the moment of inertia contributions from each individual disk and add them up.

Let's denote the moment of inertia of each disk as I_A, I_B, and I_C, respectively. The moment of inertia of a disk rotating about its center can be calculated using the formula:

I = (1/2) * m * r^2

Where m is the mass of the disk and r is its radius.

Since the struts have negligible weight, we can assume that each disk has the same mass.

Let's assume the mass of each disk is m and the radius of each disk is R.

The moment of inertia of disk A (I_A) is given by:

I_A = (1/2) * m * R^2

The moment of inertia of disk B (I_B) and disk C (I_C) will be the same since they have the same mass and radius:

I_B = I_C = (1/2) * m * R^2

The total moment of inertia of the body about the axis through the center of disk A (I_total) is the sum of the individual moment of inertias:

I_total = I_A + I_B + I_C

= (1/2) * m * R^2 + (1/2) * m * R^2 + (1/2) * m * R^2

= (3/2) * m * R^2

To calculate the kinetic energy of the rotating body, we can use the formula:

Kinetic Energy = (1/2) * I_total * ω^2

Substituting the given values:

Kinetic Energy = (1/2) * ((3/2) * m * R^2) * (6.0 rad/s)^2

Simplifying further, if the values of m and R are given, we can calculate the moment of inertia and kinetic energy.

Assuming that the values of mass (m) and radius (R) are given, we can calculate the moment of inertia (I_total) and kinetic energy.

For the given values of ω = 6.0 rad/s and the previously calculated I_total:

I_total = (3/2) * m * R^2

Kinetic Energy = (1/2) * I_total * ω^2

= (1/2) * [(3/2) * m * R^2] * (6.0 rad/s)^2

= (9/2) * m * R^2 * (36.0 rad^2/s^2)

= 162 * m * R^2 Joules

Therefore, if the values of mass (m) and radius (R) are provided, the moment of inertia of the body about an axis through the center of disk A can be calculated as (3/2) * m * R^2, and the kinetic energy of the rotating body would be 162 * m * R^2 Joules.

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Answer:

1 A

Explanation:

P = IV

120 W = I (120 V)

I = 1 A

Answer:Obtuseness of psychical iodine

Explanation:

gamma ray acuteness eventually have an obtuse effect on physical iodine meaning due to the phthagoras theorem the calculus formula would work

Change in speed = (acceleration) x (time)

4 minutes = 240 seconds

Change in speed = (40 m/s²) x (240 seconds)

Change in speed = 9,600 m/s

What you're actually describing here is a car pulling 4 G's for 4 minutes, and ending up going 21,475 miles per hour.

The driver would definitely NOT get a speeding ticket, because nobody could catch him.

Also, his car would heat up and shoot flames from atmospheric friction.

(He could avoid this with some fancy steering, leave the atmosphere, and end up in low-Earth-orbit.)

Actually, I hope there's nobody in the car.  His experience wouldn't be pretty.

So the acceleration of the student-bicycle system is \(a=5m/s^{2}\).

The gravitational force that acts on the bicycle system is

\(F_{g}=500N\)

Now the force, that is the gravitational force is related to mass of the system and the acceleration due to gravity of the system, 'm' and 'g' respectively.

Therefore, we can write

\(F_{g}=mg\)

500  = m x 10    (since , g = 10 m/s-s)

∴ m = 50 kg

Now the net vertical force acting on the student bicycle system is 0. And the vertical acceleration of system is also 0. The total horizontal force acts to the right of the system. So by Newton's 2nd law of motion, we can write

\(F_{f}=ma\)

\(a=\frac{F_{f}}{m}\)

\(=\frac{250}{50}\)

Therefore \(a=5m/s^{2}\)

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The complete question is

A student rides a bicycle in a circle at a constant speed and constant radius. A force diagram for the student-bicycle system is shown in the figure above. The value for each force is shown in the figure. What is the acceleration of the student-bicycle system?

Answer:

Power is the rate at which work is done or energy is transferred in a unit of time. Power is increased if work is done faster or energy is transferred in less time.

Surface tension=75N/m

Weight=300N

\(\\ \bull\tt\longmapsto Surface\:Tension=\dfrac{Weight}{Displacement}\)

\(\\ \bull\tt\longmapsto Displacement=\dfrac{Weight}{Surface\:Tension}\)

\(\\ \bull\tt\longmapsto Displacement=\dfrac{300}{75}\)

\(\\ \bull\tt\longmapsto Displacement=4m\)

\(\\ \bull\tt\longmapsto Displacement=400cm\)

hSurface tension=75N/m

Surface tension=75N/mWeight=300N

∙⟼SurfaceTension=

∙⟼SurfaceTension= Displacement

∙⟼SurfaceTension= DisplacementWeight

∙⟼SurfaceTension= DisplacementWeight

∙⟼Displacement=

∙⟼Displacement= SurfaceTension

∙⟼Displacement= SurfaceTensionWeight

∙⟼Displacement= SurfaceTensionWeight

∙⟼Displacement=

∙⟼Displacement= 75

∙⟼Displacement= 75300

∙⟼Displacement= 75300

∙⟼Displacement=4m

∙⟼Displacement=4m

∙⟼Displacement=400cm

carry on learning

can you brainlest me

Answer:

Explanation:

A) The output force required to lift a 15 kg object would be equal to the weight of the object, which is given by:

Output force = Weight of object = m * g

where m is the mass of the object and g is the acceleration due to gravity. Assuming that g is equal to 9.81 m/s^2, we have:

Output force = 15 kg * 9.81 m/s^2 = 147.15 N

Therefore, the output force required to lift a 15 kg object would be 147.15 N.

B) In this case, the input force is the force that you are pushing down with the lever, which is given as 20 N.

C) The mechanical advantage of the ramp is given by the ratio of the output force to the input force. In this case, the output force is the weight of the object (40 N) and the input force is the force that you are pushing with (10 N). Therefore, the mechanical advantage of the ramp would be:

Mechanical advantage = Output force / Input force = 40 N / 10 N = 4

So, the ramp multiplies your force by a factor of 4.

Note that in all of these calculations, we have assumed that the system is ideal and that there are no losses due to friction or other factors. In practice, these losses will reduce the mechanical advantage of the system and make it more difficult to lift or move objects.

The mass of the planet is  5.98 × 10^24 kg.

To calculate the mass of the planet, we can use Kepler's Third Law of Planetary Motion. This law states that the square of the period of revolution of a planet around the sun is directly proportional to the cube of the semi-major axis of its orbit.

First, we need to convert the period of the satellite's orbit to seconds. We know that there are 60 minutes in an hour, so the period can be expressed as (6 × 60 + 12) minutes, which equals 372 minutes. Multiplying this by 60 seconds, we get a period of 22,320 seconds.

Next, we need to find the semi-major axis of the orbit. In a circular orbit, the semi-major axis is equal to the radius of the orbit. Therefore, the semi-major axis is 8.8 × 10^6 m.

Now, we can apply Kepler's Third Law to calculate the mass of the planet. The formula is T^2 = (4π^2/GM) × a^3, where T is the period of revolution, G is the gravitational constant, M is the mass of the planet, and a is the semi-major axis of the orbit.

Rearranging the formula, we can solve for the mass of the planet:
M = (4π^2/G) × a^3 / T^2

Plugging in the values, we get:
M = (4 × π^2 / 6.67430 × 10^-11) × (8.8 × 10^6)^3 / (22,320)^2

Evaluating this expression, we find that the mass of the planet is approximately 5.98 × 10^24 kg.

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Answer: 5

Explanation:

True.

As an example think of a donut, the center of mass of the donut it's at the center of the whole (assuming the density is uniform

Answer:

The solar potential in Nepal is 50,000 terawatt-hours per year, which is 100 times larger than Nepal's hydro resource and 7,000 times larger than Nepal's current electricity consumption. Solar can easily meet all future energy needs in Nepal. Solar energy is cheaper than fossil fuels, nuclear and hydro.

Answer:

Wavelength = 0.15 m

Explanation:

The frequency of a microwave oven is 2.00 GHz or \(2\times 10^9\ Hz\).

We need to find the wavelength of the radiation produced by this appliance. We know that the relationship between the frequency and wavelength is given by :

\(c=f\lambda\)

Where,

\(\lambda\) is the wavelength

So,

\(\lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3\times 10^8}{2\times 10^9}\\\\=0.15\ m\)

So, the wavelength of the radiation produced by this appliance is 0.15 m.

The steps are already in correct order for focusing on specimen while using a microscope.

What is microscope used for?

The Latin word "microscopium," from which the English word "microscope" is derived, is a combination of the Greek words "mikros," which means "little," and "skopein," which means "to look at."

A microscope is a device that enlarges an image of a small object to expose details that the unassisted eye cannot perceive. The optical microscope, which employs visible light focused through lenses, is the most used type of microscope.

Small rectangles of clear glass or plastic called microscope slides are used to support specimens while they are being studied under a microscope.

Hence, the step are in correct order 1), 2), 3), 4), and 5) for focusing on specimen while using a microscope.

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\(q = -21 * 10^{-6} C\)

The acceleration is constant and equal to the gravitational acceleration g which is 9.8 m/s at sea level on the Earth.

As we know that charge and its sign that remains in equilibrium is under gravity must be such that it will balance the gravitational force by electric force,

mg =qE

\(1.45 * 10^{-3}(9.80)=q(600)\\\\q = 21 *10^{6} C\\\\\)

and its sign must be negative so that it will have upward electric force

so it is

\(q = -21 * 10^{-6} C\)

The charge of a particle of mass is \(-21 * 10^{-6} C\)

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Remember that the thin-lens equation relates the fcal length (f) of a tin lens with the distance from the lens to the ojbject d_o and the distance from the lens to the image, d_o.

According to he txext of the image, the focal length is equal to x cm and the distance from the lens to the object is x+20cm. Then, f and d_o are known and we are asked to find an expression fo d_i. Isolate d_i from the equation:

Replace f=x and d_o+x+20:

The distance from the lens to the place where the image is form is given by the expression x(x+20)/20.

Therefore,the expression in simplest oform for how far from the lens should a screen be placed to put the image in focus, is:

Answer:

Answer number 3

Explanation:

REALLY HOPE im right:)

The terminal velocity of the sphere is approximately 22.68 mph.

The terminal velocity of a sphere is the constant speed at which the gravitational force pulling the sphere down is balanced by the drag force pushing the sphere up. The drag force is proportional to the velocity of the sphere, and can be calculated using the following formula:

Fd = (1/2) * rho * Cd * A * v²

where Fd is the drag force, rho is the density of the fluid (air in this case), Cd is the drag coefficient (which depends on the shape of the object), A is the cross-sectional area of the object perpendicular to the direction of motion, and v is the velocity of the object.

The gravitational force pulling the sphere down is given by:

Fg = m * g

where m is the mass of the sphere and g is the acceleration due to gravity.

At terminal velocity, the drag force is equal in magnitude to the gravitational force, so:

Fd = Fg

Substituting the expressions for Fd and Fg and solving for v, we get:

v = √((2 * m * g) / (rho * Cd * A))

where A = pi * r² is the cross-sectional area of the sphere, and r is the radius of the sphere.

Plugging in the given values, we get:

v = sqrt((2 * 0.6 * 9.81) / (1.2 * 0.47 * pi * 0.3²)) ≈ 10.13 m/s

To convert this to mph, we multiply by 2.23694:

v ≈ 22.68 mph

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Answer:

C because that requires lots of energy

Answer:

The metal case cover reduces heat loss by radiation

A light bulb uses electrical energy to generate light. It uses 3 V of an electric charge and 20 A of electric current.The light bulb's power is 60 Watt.

The term voltage is defined the pressure from an electrical circuit's power source that forces charged electrons through a conducting loop, enabling them to do work such as lighting a light. So, voltage = pressure, and it is measured in volts (V).

Power = Current × voltage

Given:

electric current = 20 A

voltage =  3 V

Power = ?

By substituting given values in equation and we get,

Power = 20 × 3

= 60 Watt

Thus, the light bulb's power is 60 Watt.

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The correct answer is option A). The force is directed toward the top of the page.

When an object with charge q is moving near a wire with current I, the object will experience a force due to the magnetic field generated by the current in the wire. The direction of this force is determined by the right-hand rule.

According to the right-hand rule, if you point your right thumb in the direction of the current and your fingers in the direction of the motion of the charged object, the force on the object will be in the direction your palm is facing.

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Answer:

Chelsea F.C

Explanation:

Chelsea F.C

Soccer

The factors that affect the viscosity of magma include temperature, crystal and rock fragments (composition), and the different dissolved gases.

It is a mixture of solid, volatile and liquid materials.

Therefore, we can conclude that the fluidity or viscosity of magma depends on its chemical composition and, in particular, the liquids and solids that the magma contains and the various gases dissolved in it.

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Answer:

9 meter per second square

Explanation:

acceleration equation is final minus initial velocity divided by time in seconds.

36-15/3=9 meter per second square.

Answer:

wendys

Explanation:nutz go in yo mouth

The speeding car moves at a constant speed v. The equation that describes the position of an object in uniform rectilinear motion is:

Where x₀ represents the initial position of the object at t=0.

Let the subindex 1 represent the speeding car. Let x=0 represent the position of the police car, and t=0 represent the time at which the speeding car passes by the police car. Then, the position of the speeding car at t=0 is 0. Then, we can use x_0=0 to describe the motion of the speeding car:

On the other hand, the police car is under constant acceleration. The equation that describes uniformly accelerated motion is:

Where x₀ and v₀ represent the initial position and velocity of the moving object. Since the police car starts at rest, we can simplify this expression using x₀=0 and v₀=0. Let the subindex 2 represent the police car. Then:

When the police car catches the speeding car, their positions are the same. Then:

Substitute the expressions for the positions of the speeding car and the police car:

Divide both sides by t:

Isolate t from the equation:

Substitute the values for the velocity of the speeding car and the acceleration of the police car to find the numerical value of the time that it takes for the police car to catch the speeding car:

Therefore, the police car catches the speeding car approximately 30.7 seconds after they first meet.

If the speed of the speeding car is represented by the variable s, then the time that it takes for the police car to catch the speeding car is given by the expression:

Where a represents the acceleration of the police car.

Ellie's experience of a gender identity that doesn't align with her body is likely linked to gender dysphoria, a condition characterized by distress caused by the incongruence between one's internal sense of gender and assigned sex at birth.

The correct answer is option B.

Gender dysphoria refers to the distress or discomfort individuals may experience when their gender identity does not match the sex they were assigned at birth. It involves a deep-rooted sense of incongruence between one's internal sense of gender and the external physical characteristics.

It is important to note that gender dysphoria is not a result of misinformation or a lack of understanding. It is a genuine psychological condition recognized by medical and mental health professionals. Individuals with gender dysphoria often experience significant distress and may seek gender-affirming interventions, such as hormone therapy or gender-affirming surgeries, to align their physical appearance with their gender identity.

Misinformation, on the other hand, refers to inaccurate or misleading information, which may not directly relate to Ellie's experience. Construed body image and positive body image are also not directly linked to Ellie's situation. Construed body image refers to the way individuals perceive their own bodies, which may be influenced by various factors, while positive body image refers to a healthy and accepting attitude toward one's own body.

In summary, Ellie's experience of a gender identity that doesn't align with her body is likely linked to gender dysphoria. Gender dysphoria involves distress or discomfort resulting from a mismatch between an individual's internal sense of gender and their assigned sex at birth.

Therefore, among the options provided the correct answer is option B.

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