at what separation distance is the electrostatic force between a 13.1 µc point charge and a 26.1 µc point charge equal in magnitude to 1.77

Answer:

Below

Explanation:

The block does not slide, so the force of friction equals the down the slope force.  Ff = 26 n     the Fn  is given as 42 N

Definition of  static coefficient of friction =  Ff/Fn = 26/42 = .62

The magnitude of the temperature change in degrees Celsius is |δt| = 18.7 °C

The magnitude of the temperature change in degrees Fahrenheit is 33.66 °F

Part A: To find the magnitude of the temperature change in degrees Celsius, we can use the fact that 1 Kelvin (K) is equal to 1 degree Celsius (°C). So, for a change of 18.7 K, the change in degrees Celsius will be the same.
|δt| = 18.7 °C
Part B: To find the magnitude of the temperature change in degrees Fahrenheit, we can use the conversion formula between Celsius and Fahrenheit, which is F = (9/5)C. In this case, we only need to find the change in temperature, not the actual temperature. Therefore, we can apply the conversion factor to the temperature change in Celsius:

Change in Fahrenheit = (9/5) ×Change in Celsius
Change in Fahrenheit = (9/5) ×18.7 °C

Now, multiply 18.7 by 9/5:

Change in Fahrenheit = 33.66 °F

The magnitude of the temperature change in degrees Fahrenheit is 33.66 °F.

To learn more about temperature https://brainly.com/question/26866637

#SPJ11

The mass of the ball in kg is 2.5.

Here is how to calculate it:

We can use the formula for momentum, which is:p = mvWhere:p = momentum = mass = velocity

Rearranging the formula, we have:m = p/v

Given that the momentum of the ball is 20.1 kg m/s and its velocity is 9.9 m/s,

we can substitute these values into the formula to find the mass of the ball:m = 20.1 kg m/s ÷ 9.9 m/sm = 2.03 kg

Round off the mass to 1 decimal place, and we have:m = 2.5 kg

Therefore, the mass of the ball in kg is 2.5.

learn more about mass on :

https://brainly.com/question/86444

#SPJ11

The statement that using a gps receiver, you would need to communicate with three satellites at minimum to precisely calculate where you are on the surface of the earth is true.

Each of the 31 spacecraft transmits signals  can form along with signals from at least three or four other satellites, allow listeners to pinpoint their location and time. Atomic clocks on board GPS satellites provide incredibly accurate time.

The Global Positioning System (GPS) uses four satellites to determine an exact location on Earth: three to determine an Earth position and one to correct for receiver clock error.

Learn more about  gps receiver at;

https://brainly.com/question/4832528

#SPJ4

When resistors are connected in series, the effective resistance of the circuit increases because the current must pass through both resistors in turn. While in parallel, the effective resistance decreases because the current is split between the two resistors.

When two resistors are connected in series, they are arranged one after the other in the circuit so that the current must pass through both resistors. This means that the same current flows through both resistors, but the voltage across each resistor is different, depending on its resistance. When two resistors are connected in parallel, they are connected side by side in the circuit so that the current can flow through both resistors simultaneously. This means that the voltage across each resistor is the same, but the current through each resistor is different, depending on its resistance.

Learn more about resistors: https://brainly.com/question/12351632

#SPJ11

Theoretically, a simply supported beam's midpoint deflection () under two equal, symmetrically distributed concentrated loads can be calculated as follows: = (P * l3) / (48 * a * Ei), where is the beam's midpoint deflection.

The size of each concentrated load is denoted by P.

The length of the beam's span is l.

The distance a between the supports and the focused loads.

Ei is the beam's flexural stiffness.

A simply supported beam will deflect at its middle if it is subjected to two equal, symmetrically arranged focused stresses. The equation given can be used to determine this deflection.

The equation is derived from the Euler-Bernoulli beam theory, which links the applied loads, beam characteristics, and span length to a beam's deflection. The calculation takes into consideration the two equal focused loads acting on the beam in this instance.

The moment caused by concentrated loads is denoted by the expression (P * l3), where P is the magnitude of each load and l denotes the beam's span length. The cube of the span length is directly proportional to the moment.

The flexural stiffness of the beam, which is a measurement of the beam's resistance to bending, is represented by the denominator quantity (48 * a * Ei). It is the result of the factors 48, a, flexural stiffness of the beam (Ei), and the distance between the loads and the supports.

The equation determines the deflection at the midway of the beam by dividing the moment by the flexural stiffness.

You should be aware that this equation makes the assumption that the beam is linearly elastic and complies with the Euler-Bernoulli beam theory. In engineering analysis and design calculations for simply supported beams under symmetrically imposed loads, it offers an approximation of the deflection based on these hypotheses.

For more such questions on midpoint deflection, click on:

https://brainly.com/question/13771793

#SPJ11

Answer: Convection

Explanation:  convection is the most present process in the refrigeration equipment you may deal with. It occurs mainly in the fluids

Answer:

The Equivalence Principle of Gravity

Explanation:

The fact that objects fall to earth at the same speed is called the Equivalence Principle of Gravity.

According to the Equivalence Principle of Gravity, all things fall at the same rate when there is little to no air resistance. The value of the acceleration caused by gravity is demonstrated by the force of gravity equation to be a constant that is independent of the mass of the item.

According to Einstein's equivalence principle, it is unnecessary to distinguish between gravitational and inertial forces because they are comparable in nature.

Therefore, the Equivalence Principle of Gravity states that all objects descend to Earth at the same rate.

To learn more about the Equivalence Principle of Gravity, refer to the link:

https://brainly.com/question/21136206

#SPJ2

Answer:

For metric-system conversions, follow this method: Sound travels at about 340 m/s, so multiply the number of seconds you counted by 340, and you'll know how many meters away lightning struck. A three-second count, then, would place the lightning strike about 1,020 m away, or roughly 1 km.

Explanation:

hope it hep and if it doesnt sorry

The distance struck by the lighting flashes is 680 m.

The given parameters;

The distance struck by the lighting is calculated by applying the principle of echo as follows;

\(v = \frac{2d}{t} \\\\2d = vt\\\\d = \frac{vt}{2} \\\\d = \frac{340 \times 4}{2} \\\\d = 680 \ m\)

Thus, the distance struck by the lighting flashes is 680 m.

Learn more about echo here: https://brainly.com/question/23433611

When a wheel which initially at rest, has a moment of inertia of 2.0 kg-m2 and then a torque is applied on the wheel, then the wheel would have have turned by 750 rad.

In physics, moment of inertia is a quantitative measure of the rotational inertia of a body, that is the opposition that the body exhibits to having its speed of rotation about an axis changed by the application of torque.

Given torque, τ = 30 N-m

Moment of inertia, I = 2kg-m²

time = 10sec

As we know that , τ = l α

So,  α = τ/I

= 30/2

α = 15 rad/s²

As wheel starts from rest, so initial angular velocity,ω₀ = 0

Now, displacement,Ф = ω₀t + 1/2 α t²  

= 0 * 10 + 1/2 * 15 *10²

Ф = 750 rad

To know more about moment of inertia, refer

https://brainly.com/question/14460640

#SPJ4

Explanation:

centripetal force is a force that makes a body follow a curved path. for example, twirling,a lasso, cream seperator etc.

A force that causes an objectmoving in a circular path to move out and away from the centres of it's path is centrifugal force. for example,drifting, banked roads, washing machine etc.

Circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. for example, stirring batter, stone tied to a string etc

hope its helpfull♡

It took 50 joules to push a crate 2.5 meters. With what force was the crate pushed?

The distance you will travel if you fly at 110 miles per hour for 11 minutes is 20.17 miles. To find the distance, you need to use the formula:

Distance = Rate x Time Where Rate is the speed or velocity and time is the duration. Substituting the values we get:

Distance = 110 mph x 11 min.To get the distance in miles, we must first convert minutes to hours. To do so, we divide by 60, which is the number of minutes in an hour. 11 minutes = 11/60 hours.Distance = 110 mph x 11/60 hours = 20.17 miles (rounded off to the nearest hundredth).Therefore, you will travel 20.17 miles if you fly at 110 miles per hour for 11 minutes.

Learn more about Distance = Rate x Time at

brainly.com/question/30205522

#SPJ11

Answer:

h = 4T/dgr

Explanation:

Using Laplace law for spherical bubble, the pressure difference P'- P = 4T/r where T = surface tension and r = radius of sphere.

Now, the pressure difference on the hollow sphere P' - P = dgh where d = density of liquid, g = acceleration due to gravity and h = maximum depth to which sphere must be immersed.  

So dgh = 4T/r

h = 4T/dgr

we get (a) Central limit theorem ; (b) expected value of T = 1403; (c) Standard deviation = 400;

(d) Probability of T greater than 1400 is 0.5038 ;(e) 98th percentile is 1803 ; (f) standard deviation of M = 0.2 (g) Probability of M = 0.5793 (h) Variance of 93M = 345.96

In brief :

a) Central Limit Theorem (CLT) is a theorem that will let us treat T and M as approximately normal random variables.

CLT establishes that the mean of a sufficiently large sample from any population has an approximately normal distribution, regardless of the population's shape.

b) The expected value of T is given by μT = 100 * μ = 100 * 14.03 = 1403.

c) The standard deviation of T is given by σT = √(100 * σ²) = √(100 * 2²) = 400.

d) The z-score is given by (1400 - 1403)/400 = -0.0075. Using the z-table, we find the area to the right of the z-score as 0.5038.

Therefore, the approximate probability that T is greater than 1400 is 0.5038.

e) To find the 98th percentile of the approximate distribution of T, we need to find the z-score corresponding to the area of 0.98 in the standard normal distribution. Using the z-table, we find this z-score to be 2.05.

Therefore, the 98th percentile of the approximate distribution of T is 1403 + 2.05 * 400 = 1803.

f) The standard deviation of M is given by σM = σ/√n = 2/√100 = 0.2.

g) The z-score is given by (13.99 - 14.03)/0.2 = -0.2.

Using the z-table, we find the area to the right of the z-score as 0.5793. Therefore, the approximate probability that M is greater than 13.99 is 0.5793.

h) The variance of 93M is given by (93)² * Var(M) = (93)² * (σ²/n) = (93)² * (2²/100) = 345.96.

to know about Standard deviation visit:

https://brainly.com/question/13498201

#SPJ11

Answer:

women... men

Explanation:

Answer:

c. women... men

Explanation:

edge 2021

Harmonics, Loop and Harmonic number

Hope this helps :)

When the block and table are in an elevator moving upward at a constant speed, the magnitude of the normal force (Fn) is equal to the weight (mg) of the block.

This is because there is no net force acting in the vertical direction, so Fn balances out the weight of the block.

If the elevator is moving upward at an increasing speed, the magnitude of the normal force (Fn) will be greater than the weight (mg) of the block. The additional upward acceleration of the elevator requires an additional upward force to accelerate the block. The normal force must be greater than mg to provide this extra force and maintain equilibrium.

to learn more about equilibrium click here; brainly.com/question/31595593

#SPJ11

Surprisingly fast orbital speeds of stars and gas clouds located far from the galactic center indicate that these objects are subject to gravitational influences.

The moon is maintained in its orbit around Earth by gravity, as are the planets in their orbits around the sun. Ocean tides are a result of the moon's gravitational effect on the oceans. The stuff that stars and planets are comprised of is pulled together by gravity to form them.

involving or pertaining to the attraction between two masses: Ocean tides rise and fall due to the moon's gravitational pull. of or pertaining to a strong inclination or movement in the direction of something or someone: There has been a lot of research on why they gravitate toward destructive behavior.

To learn more about gravitational effect refer to:

https://brainly.com/question/72250

#SPJ4

Everything falls at the same rate.

Answer:

Dalton's ideas proved foundational to modern atomic theory. However, one of his underlying assumptions was later shown to be incorrect. Dalton thought that atoms were the smallest units of matter-−minustiny, hard spheres that could not be broken down any further. This assumption persisted until experiments in physics showed that the atom was composed of even smaller particles. In this article, we will discuss some of the key experiments that led to the discovery of the electron and the nucleus.

J.J. Thomson and the discovery of the electron

In the late 19^{\text{th}}19  

th

19, start superscript, start text, t, h, end text, end superscript century, physicist J.J. Thomson began experimenting with cathode ray tubes. Cathode ray tubes are sealed glass tubes from which most of the air has been evacuated. A high voltage is applied across two electrodes at one end of the tube, which causes a beam of particles to flow from the cathode (the negatively-charged electrode) to the anode (the positively-charged electrode). The tubes are called cathode ray tubes because the particle beam or "cathode ray" originates at the cathode. The ray can be detected by painting a material known as phosphors onto the far end of the tube beyond the anode. The phosphors spark, or emit light, when impacted by the cathode ray.

A diagram of a cathode ray tube.

A diagram of a cathode ray tube.

A diagram of J.J. Thomson's cathode ray tube. The ray originates at the cathode and passes through a slit in the anode. The cathode ray is deflected away from the negatively-charged electric plate, and towards the positively-charged electric plate. The amount by which the ray was deflected by a magnetic field helped Thomson determine the mass-to-charge ratio of the particles. Image from Openstax, CC BY 4.0.

To test the properties of the particles, Thomson placed two oppositely-charged electric plates around the cathode ray. The cathode ray was deflected away from the negatively-charged electric plate and towards the positively-charged plate. This indicated that the cathode ray was composed of negatively-charged particles.

Thomson also placed two magnets on either side of the tube, and obser

Explanation:

Answer:

10lbs on the moon

Explanation:

Answer:

c.) sewage and industrial waste

Answer:

The uniy which is accepted all over the world is called SI unit.

Explanation:

The system of measurement that is agreed by the international convention if scientists that is held in paris of France to adopt an international unit is called SI unit unit.

The exact same.  gravity has no effect on mass.

Answer:

Explanation:

The pelvis and lumbar spine are interconnected and work together in many movements. During closed kinetic chain exercises, such as squats or lunges, when the hip is abducted, the associated lumbar motion is extension.

This is because abduction of the hip causes a shift in the center of mass, which needs to be counterbalanced by extension of the lumbar spine. Additionally, the muscles that control hip abduction, such as the gluteus medius and minimus, also have attachments to the pelvis and can cause movement in the lumbar spine.

Therefore, it is important to maintain proper form and alignment during these exercises to avoid excessive lumbar extension and potential injury.

To know more about lumbar motion refer here:

https://brainly.com/question/28240587#

#SPJ11