ou know the stall torque and no-load speed of a pm dc motor, what is the maximum power the motor can deliver?

A substance's density is defined as its mass per unit of volume. Density is most frequently represented by the symbol ρ, however Latin letter D may also be used.

If the density of an object is 9.331 x 10−2 lbs/cubic inch, what is its density in g/cm3?

9.331 x 10−2 lbs/cubic inch = 258 281 190,85 g/m³

To calculate the density:

The following is the density formula:

D = m/v, where D =  Density, m = mass, v = volume.

Write down the data and the density equation, solve for the mass, add the density to the volume, then multiply the result to get the density in grams.

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Answer:

The answer would be 1800W

Explanation:

P=15a × 120 V

The maximum electric field strength in an electromagnetic wave that has a maximum magnetic field strength of 5 × 10^-4 T (about 10 times earth’s magnetic field) is 15 × 10^4 V/m

Given,

Maximum magnetic field strength, \(B_{max}\) = 5 × 10^-4 T

Then,

Maximum electric field strength, \(E_{max}\) = \(B_{max}\) c

Where, c is the speed of light

Substituting all values in formula, we get,

             \(E_{max}\) = 5 × 10^-4 × 3 × 10^8

                      = 15 ×× 10^4 V/m

Concept

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Since this is a circular motion, we know that the we have a centripetal acceleration; we know that this type of acceleration always points towards the center of the circle. This means that the acceleration is represented by the vectors that point towards the center. Looking at them we notice that at point Z the acceleration is pointing to the right.

Therefore, the object is accelerating to the right at Z

The tension in string A (TA) is 154,335 N, and the tension in string B (TB) is 37,200 N.

Στ = 0
The torques involved are due to the tension in string A (TA), the weight of the bar (m1 * g), and the weight of the object (m2 * g).
τ_A = TA * d
τ_m1 = (m1 * g) * (L/2)
τ_m2 = (m2 * g) * x
Now, we set up the equation:
TA * d - (m1 * g) * (L/2) - (m2 * g) * x = 0
Solve for TA:
TA = ((m1 * g) * (L/2) + (m2 * g) * x) / d
TA = ((80 * 9.807) * (5.1/2) + (3500 * 9.807) * 4.9) / 1.2
TA = 154335.46 N (rounded to four significant figures)
Now, to find TB, we need to use the fact that the net vertical force is also zero since the bar is in equilibrium.
ΣFy = 0
TB - TA - m1 * g - m2 * g = 0
Solve for TB:
TB = TA + m1 * g + m2 * g
TB = 154335.46 + (80 * 9.807) + (3500 * 9.807)
TB = 37199.60 N (rounded to four significant figures)

Hence, the tension in string A (TA) is 154,335 N, and the tension in string B (TB) is 37,200 N.

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Answer:

I'm pretty sure it's called Astronomy

Explanation:

Hope this helps:)...if not then sorry for wasting your time and may God bless you:)

Answer: Astronomy

Explanation: Astronomy is objects we can see with our eyes, like the Sun , the Moon , the planets, and the stars . It also includes objects we can only see with telescopes or other instruments, like faraway galaxies and tiny particles.

I hope this helps ;o o;

Answer:

In terms of the light spectrum, blue is a primary color, which means that it is one of the base colors that exist in the universe and it cannot be created by combining different colors together. The primary pigment colors are cyan, magenta, and yellow. Cyan absorbs red, yellow absorbs blue, and magenta absorbs green.

Explanation:

Hope this helped Mark BRAINLEST!!!

The given information, f(9) = 21.5, tells us that when x = 9, the numerator, x² + 5, is equal to 21.5 times the denominator, (x - 5). The answer is D.

We are given f(x) = x² + 5 / (x - 5).

Substituting x = 9 into the expression, we get f(9) = (9² + 5) / (9 - 5).

Simplifying further, we have f(9) = (81 + 5) / 4 = 86 / 4 = 21.5.

Therefore, when x = 9, the numerator (x² + 5) is equal to 21.5 times the denominator (x - 5). This relationship is specific to the value of x = 9, and it does not hold true for all values of x. Hence, D is the answer.

The complete question is:
Suppose that f(x) = x² + 5 / (x - 5). Notice that f(9) = 21.5. What does this tell us about the numerator and denominator of f?

A. When x = 9, x - 5 is 21.5 times as large as x² + 5.

B. When x = 21.5, x² + 5 is 9 times as large as x - 5.

C. x² + 5 is always 21.5 times as large as x - 5.

D. When x = 9, x² + 5 is 21.5 times as large as x - 5.

E. When x = 9, x² + 5 is equal to 21.5.

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A graduated cylinder is used to measure volume in a laboratory setting.

A graduated cylinder is a cylindrical container with volume markings along its length. It is made from glass or plastic and is designed to accurately measure the volume of liquids. To use a graduated cylinder, the liquid is poured into the cylinder, and the volume is read by aligning the bottom of the meniscus (the curved surface of the liquid) with the appropriate marking on the cylinder. The graduated markings on the cylinder allow for precise volume measurements, making it a common tool in chemistry, biology, and other scientific disciplines where accurate volume measurements are required.

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A) they are in a state of free fall.

According to the given statement , the acceleration of the sphere at the instant when its speed is 27.0 m/s.

We can use the principles of electrostatics and kinematics.  a = [(9.00 x 10⁹ N * m² / C²) * |5.00 μC * 2.00 μC| / (0.08 m)²] / (4.00 x 10⁻³ kg).

1. Determine the electric force between the two charges:
  - The electric force between two charges can be calculated using Coulomb's Law:

F = k * |q1 * q2| / r².
  - In this case, q1 = 5.00 μC and q2 = +2.00 μC. The distance between them, r, is the horizontal distance of 8.00 cm (which is 0.08 m).
  - The constant k is 9.00 x 10⁹ N * m^2 / C².
  - Plugging in the values, we get F = (9.00 x 10^9 N * m² / C²) * |5.00 μC * 2.00 μC| / (0.08 m)².

2. Calculate the net force acting on the sphere:
  - At any instant, the net force acting on the sphere is the sum of the electric force and the force due to gravity.
  - However, in this case, gravity can be neglected, as stated in the question.
  - Therefore, the net force acting on the sphere is equal to the electric force between the two charges.

3. Calculate the mass of the sphere:
  - The mass of the sphere is given as 4.00 x 10⁻³ kg.

4. Apply Newton's second law:
  - Newton's second law states that the net force acting on an object is equal to the product of its mass and acceleration: Fnet = m * a.
  - In this case, the net force acting on the sphere is the electric force between the charges.
  - Plugging in the values, we get (9.00 x 10⁹ N * m^2 / C²) * |5.00 μC * 2.00 μC| / (0.08 m)² = (4.00 x 10⁻³ kg) * a.

5. Solve for the acceleration:
  - Rearranging the equation, we have a = [(9.00 x 10⁹ N * m² / C²) * |5.00 μC * 2.00 μC| / (0.08 m)²] / (4.00 x 10⁻³ kg).
  - Evaluating the expression, we find the value of acceleration.

By following these steps, you can find the acceleration of the sphere at the instant when its speed is 27.0 m/s.

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Answer:

soil

Explanation:

CORRECT

Answer:

soil

Explanation:

Hope this will help

Several radio telescopes are combined into an interferometer in order to 2) observe astronomical objects during daylight hours when the sky is otherwise too bright.

Radio astronomers may combine the signals from several antennas and even telescopes using interferometry. They are able to produce images that are more brighter and more precise than what is feasible with only one antenna dish.

To investigate objects in space, astronomers utilize a variety of telescopes sensitive to various regions of the electromagnetic spectrum. Despite the fact that all light is fundamentally the same, astronomers view light differently depending on the part of the spectrum they are interested in.

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a) The gravitational force is 1.7 * 10^4 N.

b) The acceleration due to gravity is 277 m/s^2.

We know that the gravitational force is the force of attraction that acts in the universe between any two masses that are close to each other. We can see that we have the following information;

Mass of the sun =  2 x 10^30 kg

Mass of the person = 60 kg

Radius of the sun = 695,700 km or 695,700000 m

Force of gravity = Gm1m2/r^2

G = gravitational constant

m1 = mass  of the sun

m2 = mass of the person

r = radius of the sun

Hence;

F = 6.67 x 10^-11 * 2 x 10^30  * 60/( 695,700000)^2

F =  8 * 10^21 /4.8 * 10^17

F = 1.7 * 10^4 N

The acceleration due to gravity is gotten from;

g = Gm/r^2

g = 6.67 x 10^-11 * 2 x 10^30/( 695,700000)^2

g = 1.33 * 10^20/4.8 * 10^17

g = 277 m/s^2

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Case: The effect of balloon color on inflation time.

Independent variable: Balloon color (categorical) with four levels (e.g., red, blue, green, yellow).

Dependent variable: Time taken for inflation to a diameter of 7 inches (continuous, measured in seconds).

Study design: Within-subject design (the same group of participants inflating balloons of different colors).

Confounding variable: Possible confounding variables could be the size or material of the balloons, as these factors might affect the inflation time. To control for this, it would be important to ensure that all balloons used in the experiment are of the same size and material.

Violation of Validity: A violation of validity could occur if the measurement of inflation time is not accurate or consistent (e.g., if the stopwatch used is unreliable or if the experimenter's recording of times is inconsistent). Ensuring proper measurement procedures and equipment would help mitigate this violation.

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Answer:

Mass

Explanation:

The mass of an object expresses the amount of matter it comprises. Which implies that objects with higher mass contains higher matter compared to objects with lesser masses. Thereby it determines the measure of inertia experienced by an object when a force is applied to change its direction of motion, or to set it in motion when at rest, or bring it to rest when in motion.

The mass of an object the same no matter its location, and it is measured in kilograms.

Answer:A

Explanation:

Took the test

-4m/s^2 the velocity of a ball that rolled to the right 20 cm in 3 seconds

Vi = 20m/s

Vf = 0

t = (t2 - t1) = 8s -3s = 5s

Vf - Vi = a*5s

a = (0- 20m/s)/5s = -4m/s^2

Velocity is a measure of speed in motion or activity. A more concise word for celerity is speed. Physics uses the word "velocity" specifically to describe how quickly and in what direction an object's location changes. It is a vector quantity that expresses the speed and direction of a body's motion.

Velocity is the term for the rate at which a displacement changes. Acceleration is the measure of a change in velocity. Velocity is a vector quantity because it comprises both magnitude and direction. Acceleration is a vector quantity because it is the speed at which velocity varies.

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Answer:

Explanation:

Acceleration is the time rate of change, or the rate, of the velocity. Therefore, the slope y/x of a speed vs time graph would give the acceleration. If the acceleration is said to be positive, the graph would be a straight line that is at a constant increase over time.

The minimum stimulus required to trigger an action potential is known as the "threshold." The threshold refers to the minimum level of depolarization that a neuron or muscle cell must reach to initiate an action potential.

In neurons, the threshold is typically around -55 millivolts (mV) relative to the resting membrane potential. When the cell membrane reaches this threshold voltage, usually due to the influx of sodium ions, it triggers a rapid depolarization and the generation of an action potential. If the membrane potential does not reach the threshold, no action potential is initiated.

The threshold concept is crucial in understanding how neurons transmit signals and communicate with each other. It ensures that only strong enough stimuli, such as sensory inputs or signals from other neurons, can initiate the generation and propagation of action potentials, allowing for precise and selective signaling in the nervous system.

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Answer:

I think

C- It's a greenhouse gas

Answer:

Electrons are located in shells surrounding the nucleus of the atom,whereas protons are present inside the nucleus.

Explanation:

Electrons can move out of the shells on providing energy, but movement of proton will require a very high amount of energy (so as to break the nuclear force).

If we throw a socks in to the bowl then it is going with a few unfold situation by means of the projectile and follows the trajectory. Crumpled paper use for the projectile additionally works gud for the simulation.

Crumpled paper has irregular form and mild in weight and it is able to divert in a way by air force or by means of any other motive mild weight. hence simulation and projectile interest are interlinked to every different.

Projectile motion is used in many real-life applications such as designing rockets, ballistic missiles, and artillery, as well as in sports such as baseball, golf, and archery. The concept of projectiles is also relevant in fields such as engineering, military science, and sports. For example, the design of a projectile such as a bullet or missile can affect its accuracy and effectiveness, while knowledge of projectile motion can aid in the design of sports equipment such as golf clubs or javelins.

When a projectile is launched, it follows a curved path known as a trajectory, which is determined by the initial velocity, angle of launch, and the gravitational and atmospheric forces acting on it. The motion of projectiles is studied in physics, where concepts such as projectile motion, trajectory, range, and maximum height are analyzed.

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Answer:

value of heat is 18 J

2. step by step

formular w=p(volume1-volume2)

w= 1.0×10^5(0.0006-0.0004)

w= 40 J

Hello,

I hope you and your family are doing well!

(a) To find the average acceleration of the dragster, we can use the equation:

average acceleration = (final velocity - initial velocity)/time interval

Plugging in the values from the problem, we get:

average acceleration = (25.8 m/s - 0 m/s)/0.59 s = 43.7 m/s^2

(b) The net force on an object is equal to its mass times its acceleration, so the net force on the dragster during this time interval is:

net force = 893 kg * 43.7 m/s^2 = 38,971 N

(c) To find the horizontal force the seat exerts on the driver, we can use the equation:

force = mass * acceleration

The acceleration of the driver is the same as the acceleration of the dragster, which we found to be 43.7 m/s^2. Plugging this value into the equation, we get:

force = 68 kg * 43.7 m/s^2 = 2970 N

So the seat exerts a force of 2970 N on the driver.

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Answer:

Explanation:

Question 1:

Given;

a counterweight of mass, m = 2-kg

distance moved by this weight, d = 0.5 meters

the gravitational force of the counterweight is calculated as;

F = mg

where;

F is gravitational force

m is the mass

g is acceleration due to gravity

F = 2 x 9.8 = 19.6 N

Thus, the gravitational force of the counterweight is 19.6 N

Question 2:

Given;

a counterweight of mass, m = 2-kg

height moved by this weight, h = 0.5 meters

the work done is calculated as;

Work done = Force x distance moved by this weight

Work done = 19.6 x 0.5 = 9.8 J

Thus, the work done is 9.8 J

Answer:

closed

Explanation:

sorry if I'm wrong

The number of logical partitions that can be created in an extended partition depends on the file system used and the size of the disk.

An extended partition is a type of partition on a computer's hard drive that can be further divided into logical partitions. It is used to overcome the limitation of having only four primary partitions on a disk.

The number of logical partitions that can be created in an extended partition depends on the file system used and the size of the disk. For example, with the FAT32 file system, you can create up to 32 logical partitions in an extended partition. However, with the NTFS file system, the limit is much higher and can support thousands of logical partitions.

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An extended partition is a type of partition that allows you to have multiple logical partitions within it. The number of logical partitions that can be created within an extended partition is dependent on a number of factors.

Firstly, it's worth noting that you can only have one extended partition per disk. This means that if you have already created an extended partition on your disk, you will not be able to create another one. Secondly, the number of logical partitions that can be created within an extended partition is limited by the available space on your disk.In general, you can create as many logical partitions as you have available space within your extended partition.

However, there is a limit to the number of logical partitions that you can create on a disk. This limit is determined by the size of your disk and the file system that you are using.For example, if you are using the NTFS file system, you can create up to 24 logical partitions on a single disk. However, if you are using the FAT32 file system, you are limited to just 8 logical partitions per disk. These limits are based on the maximum number of drive letters that can be assigned to a logical partition within each file system.

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Answer:

\({ \rm{1 \: {cm}^{3} = \frac{1}{100 {}^{3} } \: {m}^{3} }} \\ \\ { \rm{4 \: {cm}^{3} = \frac{4}{1000000} \: {m}^{3} }} \\ \\ { \boxed{ \rm{ = 0.000004 \: {m}^{3} }}}\)