Michael’s mom is driving the soccer carpool. They leave the field at 7 pm, with an odometer reading of 78,753 km. Combined the minivan and players have a mass of 2900 kg. After all the players are dropped off, it is 7:56 pm and the odometer reads 78,802 km. What was the average velocity of the minivan while traveling?

Answer:

1,079.6 mi is answers correct

Answer:

it is big

Explanation:

The moon is a bit more than 27 percent the size of Earth

A total moment of inertia of 0.0375 kg·m² as the turntable spins.

The total moment of inertia of the two hoops or rings on the turntable can be calculated using the formula I = MR². The moment of inertia of each hoop can be calculated separately and then added together to find the total moment of inertia.

For the smaller hoop, the moment of inertia would be I = (3.0 kg)(0.050 m)² = 0.0075 kg·m².

For the larger hoop, the moment of inertia would be I = (3.0 kg)(0.10 m)² = 0.030 kg·m².

Adding these two values together gives a total moment of inertia of 0.0375 kg·m² as the turntable spins.

It's important to note that the mass of the turntable is ignored in this calculation, as instructed in the question. Also, the term "moment" in this context refers to moment of inertia, which is a measure of an object's resistance to rotational motion.

Learn more about moment of inertia.

brainly.com/question/15246709

#SPJ11

According to the given statement the number x is 2. The number x represents the dimensions of the term p * a in the given equation.

By comparing the dimensions of both sides of the equation, we find that x is equal to 2.

The equation given is:

Volume per second = k * (p * a) / n

Where:
- k is a constant
- p is the excess pressure (force per unit area)
- a is the radius of the pipe
- n is the frictional quantity of dimension MLT⁻¹


To find the number x, we need to determine the dimensions of each term in the equation.

1. Dimension of Volume per second:

  - Volume has the dimension L³ (length cubed)
  - Time has the dimension T (time)
  - Therefore, Volume per second has the dimension L³  / T

2. Dimension of k:

  - The equation states that k is a constant. Constants are dimensionless.

3. Dimension of p * a:

  - Pressure has the dimension M / (L * T² ) (mass divided by length and time squared)
  - Radius has the dimension L (length)
  - Multiplying pressure by radius results in the dimension M / (L * T² ) * L = M / (L²  * T² )

4. Dimension of n:

  - Given in the question, n has the dimension MLT⁻¹
(mass times length times time to the power of -1)

Now, we can equate the dimensions:

L³  / T = k * (M / (L²  * T² )) * MLT⁻¹


Simplifying the dimensions:

L³  / T = k * M / (L²  * T² ) * MLT⁻¹


L³  / T = k * M / L²  * M / T²  * L^-1 * T⁻¹


L³  / T = k * M²  / L²  * T⁻¹


To equate the dimensions, both sides of the equation must have the same dimensions. Therefore:

L³ / T = k * M² / L² * T⁻¹


Comparing the dimensions on both sides, we can conclude:

L³ / T = k * M² / L²* T⁻¹

The dimensions on the left side are L^3 / T, and the dimensions on the right side are (k * M²) / (L² * T).

Therefore, the number x is 2.

The number x represents the dimensions of the term p * a in the given equation.

By comparing the dimensions of both sides of the equation, we find that x is equal to 2.

To know more about force visit;

https://brainly.com/question/13191643

#SPJ11

13.02 meters

Explanation

the work done by the brakes makes the car stops, so the change in energy equals the work done

hence

also, the work done by a force is given by

then, let

replace

therefore, the answer is

13.02 meters

I hope this helps you

The translational kinetic energy of the ball is 76.1 J, The rotational kinetic energy of the ball is 13.9 J.

A baseball has a radius of 3.7 cm and a mass (m) of 0.15 kg (0.037 m). A pitcher tosses the ball at a 39 rad/s angular speed and a 35 m/s linear speed. Suppose the baseball is a solid, uniform sphere.

Rotational kinetic energy of the ball (KRot): The rotational kinetic energy of a solid sphere is given by

KRot = (2/5)mr²ω²

Where ω is the angular speed and r is the radius of the ball. Substituting the given values, we get

KRot = (2/5) × 0.15 × 0.0372 × 392= 13.9 J

Therefore, the rotational kinetic energy of the ball is 13.9 J.

Translational kinetic energy of the ball (KTr): The translational kinetic energy of a body is given by

KTr = (1/2)mv²

Where v is the linear speed and m is the mass of the body. Substituting the given values, we get

KTr = (1/2) × 0.15 × 352= 76.1

The translational kinetic energy of the ball is 76.1 J.

Learn more about "kinetic energy" and "speed" at: https://brainly.com/question/30107920

#SPJ11

The elastic potential energy stored in the spring having a spring constant of 50.0 N/m is 16 J

We'll begin by obtaining the extension of the spring. This is given below:

Extension = New length - initial length

Extension = 0.90 - 0.10

Extension = 0.80 m

Finally, we shall determine the potential energy stored by the spring. Details below

PE = ½Ke²

PE = ½ × 50 × 0.8²

PE = 25 × 0.64

PE = 16 J

Thus, from the above calculations, we can conclude that the potential energy stored is 16 J

Learn more about energy stored in spring:

https://brainly.com/question/14468970

#SPJ1

Answer:

The measurement of an object's motion with respect to any other object that is moving or stationary is called Relative Motion.

Self-esteem is based on the opinions and beliefs of the individuals. This helps us to value or perceive ourselves. It defines your self-worth and how you treat yourself.

Self-esteem refers to the positive (high self-esteem) and negative (low self-esteem) feelings that we have ourselves. High self-esteem or positive self-esteem is defined as self-love,self-value, self-respect, and dignity.

Positive self-esteem means believing in your own capability to do things on your own. When there is a lack of self-confidence, self-love leads to negative self-esteem.

To know more about self-esteem:

https://brainly.com/question/31422306

#SPJ1

If a 21.00-kg child slide from a height of 3.40 m above the bottom of the slide and her speed at the bottom is 2.30 m/s, the amount of energy lost due to friction is 644.18 J.

The potentiаl energy of аn object depends on the locаtion of the object from the bottom reference floor аnd the mаss of the object. The аmount of energy contаins by the object аt аny height is known аs the potentiаl energy of thаt object.

We are given:

The energy of the child at the upper end of the slide is,

\(E_{u}\) = mgh

Substitute the values in the above equation

\(E_{u}\) = 21 kg × 9.8 m/s2 × 3.40 m

= 699.72 J

The energy at the bottom of the slide is,

\(E_{b}\) = \(\frac{1}{2}(mv^{2})\)

Substitute the values in the above equation.

\(E_{b}\) = \(\frac{1}{2}(21.2.30^{2})\)

\(E_{b}\) = 55.54 J

The energy lost due to friction is,

\(E_{f}\) = \(E_{u}\) - \(E_{b}\)

Substitute the values in the above equation

\(E_{f}\) = 699.72 - 55.54

\(E_{f}\) = 644.18 J

Thus, the energy lost due to friction is 644.18 J.

For more information about potentiаl energy refers to the link: https://brainly.com/question/14904642

#SPJ11

The wavelength of the wave that carries the coded information for the FM radio station is approximately 3.30 m.

The wavelength of an electromagnetic wave can be determined using the equation:

where the speed of light is approximately 3.00 x 10⁸ m/s.

Substituting the given frequency of 91 MHz (or 9.1 x 10⁷ Hz) into the equation yields:

Therefore, the wavelength of the wave that carries the coded information for the FM radio station is approximately 3.30 m.

To learn more about wavelength of the wave, here

https://brainly.com/question/31315745

#SPJ1

The racing car takes 1 second to accomplish this acceleration.

The time it takes for the racing car to increase its speed from 10 m/s to 30 m/s can be calculated using the equation of motion for uniformly accelerated linear motion.
First, we need to find the acceleration of the car.

We can use the formula:
a = (v_f - v_i) / t,
where a is the acceleration, v_f is the final velocity (30 m/s), v_i is the initial velocity (10 m/s), and t is the time taken.
Rearranging the equation, we have:
t = (v_f - v_i) / a.
Next, we need to find the acceleration of the car.

To do this, we can use the formula:
a = (v_f^2 - v_i^2) / (2 * d),
where d is the distance traveled (60 m), v_f is the final velocity (30 m/s), and v_i is the initial velocity (10 m/s).
Plugging in the values, we have:
a = (30^2 - 10^2) / (2 * 60) = 20 m/s^2.
Now we can substitute the value of acceleration into the equation for time:
t = (30 - 10) / 20 = 1 s.
Therefore, it takes 1 second for the racing car to increase its speed from 10 m/s to 30 m/s over a distance of 60 m.

To know more about acceleration visit:

https://brainly.com/question/12550364

#SPJ11

The information given in the question is not sufficient to determine the mass of the car. Force (F) is given in joules (J), which is a unit of energy, and cannot be directly used to determine the mass of the car.

Additionally, speed (v) is given in miles per hour (mph), which is not a standard unit in the SI system of units.

To calculate the mass of the car, we need either the acceleration or the time for which the force is applied. Once we have either of these values, we can use the equation:

F = ma

where F is the force, m is the mass, and a is the acceleration.

We also need to convert the speed from mph to m/s, which is the standard unit of velocity in the SI system. To do this, we can use the conversion factor:

1 mph = 0.44704 m/s

So, 32 mph = 32 × 0.44704 = 14.33168 m/s

Without additional information about the acceleration or time, we cannot calculate the mass of the car. Mass is a fundamental physical quantity that measures the amount of matter in an object. It is typically measured in kilograms (kg) or grams (g). Mass is distinct from weight, which is the force exerted on an object due to gravity.

Learn more about mass here:

https://brainly.com/question/11661448

#SPJ11

The work done in the isothermal process is 10 joule.

We need to know about the isotherm process to solve this problem. The isotherm process can be described as a process where the initial temperature system will be the same as the final temperature. Hence, the internal energy change will be zero.

ΔU = 0

Hence,

ΔU = Q - W

0 = Q - W

Q = W

It means that the heat transferred is the same as the work done.

From the question above, we know that the heat transferred is 10 joule. Thus, the work done in the isothermal process is 10 joule.

Find more on isothermal at: https://brainly.com/question/17097259

#SPJ4

The period of the sound wave having frequency of 457Hz is 0.0022 s.

The frequency refers to the number of waves that pass a fixed point in unit time.

Time period is equal to the reciprocal of frequency.

                           i.e. T = 1 / f

So, The period of the sound wave having frequency of 457Hz will be

                                T = 1/457

                            ∴ T = 0.002188 s

Now , rounding to the nearest value we get , 0.0022 s

Thus , The period of the sound wave having frequency of 457Hz is 0.0022 s.

Learn more about frequency here -

https://brainly.com/question/254161

#SPJ2

The weight of the object is equal to 60.8 N when its mass is 16 kg on mars.

The weight of a body can be described as the force exerted on the object due to gravity. Weight can be specified as a vector quantity if the gravitational force is acted on the object.

The measurement unit for weight is similar to that of force newton (N). A body with a mass of 1 Kg on the surface of the Earth has a weight of 9.8 N, and about one-sixth on the Moon.

The mathematical formula to evaluate the weight of an object is mentioned below:

W = mg

Given, the mass of an object, m = 16 Kg

The acceleration due to gravity on the object on mars, g = 3.8 m/s²

The weight of an object on mars will be equal to:

W = 16 Kg × 3.8 m/s²

W = 60.8 N

Therefore, the weight of the object is 60.8 N.

Learn more about weight, here:

brainly.com/question/13040516

#SPJ1

The light is at its lowest possible intensity.

The final intensity of the emerging light is (lo/2) × 0.75 = 0.375 × lo.

3. When the first polarizer is rotated clockwise to 90°, it becomes perpendicular to the incident unpolarized light. Therefore, no light can pass through the first polarizer. The intensity of the light is reduced to zero.

4. When the first polarizer is rotated clockwise to 45°, the intensity of the light passing through is reduced by cos²(45°) = 0.5.

This means the intensity becomes half of its original value (lo/2).

When the second polarizer is rotated anticlockwise to 30°, the intensity of the light passing through is further reduced by cos²(30°) = 0.75.

Therefore, the final intensity of the emerging light is (lo/2) × 0.75 = 0.375 × lo.

Find out more on light polarization here: https://brainly.com/question/3092611

#SPJ1

a) Scalar quantity, b) Vector quantity, c) Vector quantity, d) Scalar quantity, e) Vector quantity, f) Scalar quantity, g) Scalar quantity, h) Scalar quantity.

A scalar quantity is a physical quantity with a single numerical value. Scalar quantities include mass, temperature, and velocity.

A vector quantity is a physical quantity that has a magnitude as well as a direction. Displacement, velocity, and acceleration are examples of vector quantities. Scalar quantities may be stated as a single numerical value, but vector quantities must be expressed as a magnitude and a direction.

In physics, vector quantities are frequently employed to describe physical qualities such as force, velocity, and acceleration. The parallelogram technique can be used to add and subtract vector values. Scalar quantities, on the other hand, cannot be added or subtracted in the same way. Scalar quantities are easily added and subtracted.

To know more about scalar quantity, visit

brainly.com/question/774036

#SPJ1

Answer:T=1316.21 N

Explanation:

The tension has two components: Vertical and Horizontal. The

horizontal component is ma, the vertical component is mg. Using

Pythagoras theorem, we can find the tension as:

T=((ma)^2 (mg)^2)^(1/2)

So

T=((129*2.84)^2 (129*9.8)^2)^(1/2)

T=1316.21 N

In the given options, the situations that will cause a current to be induced in a conductive loop in a uniform magnetic field B are:

b. The conductive loop is oriented so that it is perpendicular to B. The area of the loop is decreased.

d. The conductive loop is oriented so that it is perpendicular to B. The loop is moved parallel to the field lines of B.

e. The conductive loop is oriented so that it is perpendicular to B. The loop is moved perpendicular to the field lines of B.

Explanation:

According to Faraday's law of electromagnetic induction, a changing magnetic field through a conductor induces an electromotive force (EMF) that causes a current to flow in the conductor.

In situation b, when the area of the loop is decreased while maintaining its perpendicular orientation to the magnetic field B, the magnetic flux passing through the loop decreases. This change in magnetic flux induces an EMF and subsequently a current in the loop.

In situation d, when the conductive loop is moved parallel to the field lines of B, the magnetic flux passing through the loop changes. This change in magnetic flux induces an EMF and subsequently a current in the loop.

In situation e, when the conductive loop is moved perpendicular to the field lines of B, the magnetic flux passing through the loop changes. This change in magnetic flux induces an EMF and subsequently a current in the loop.

It's important to note that in situations a and c, although the loop lies in the plane of B and the magnitude of B may change, there is no change in the magnetic flux passing through the loop. Therefore, no current will be induced in the loop in these situations.

To know more about current refer here

https://brainly.com/question/15141911#

#SPJ11

Answer:

my big long peen for ur mom

Explanation:

The total number of intensity maxima observed is determined as 15.

The number of intensity maxima observed is calculated as follows;

\(n = \frac{1}{\lambda N}\)

n = (1) / (450 x 10⁻⁹ x 300 x 10³)

n = 7.4

The total number of intensity maxima observed;

nt = 2n + 1

nt = 2(7) + 1

nt = 15

Thus, the total number of intensity maxima observed is determined as 15.

Learn more about intensity maxima here: https://brainly.com/question/12982238

#SPJ4

The magnitude of the force on the charge by the influence of the magnetic field will be 6.6*10^-3 N

Magnetic force, attraction or repulsion that arises between electrically charged particles because of their motion.The magnitude of the magnetic force acting on the charge is given by:

\(\rm F=qvBsin\theta\)

where

The magnitude of the charge   \(q=5.7\ \mu C =5.7\times 10^{-6} \ C\)

The velocity of the charge        \(v=4.5\times 10^5\ \frac{m}{s}\)

The magnitude of the magnetic field   \(3.2\ mT=0.0032\ T\)

The angle between the directions of v and B  \(\theta =90^o-37^o=53^o\)

By substituting the values we will get:

\(F=(5.7\times 10^}-6})(4.5\times 10^5)(0.0032)(Sin53^o)\)

\(F=6.6\times 10^{-3}\ N\)

Hence the magnitude of the force on the charge by the influence of the magnetic field will be 6.6*10^-3 N

To know more about Magnetic force follow

https://brainly.com/question/14411049

Answer:

a - on edge

Explanation:

yes

1. The absolute magnitude of the reduction in variation of Y when time is introduced into the regression model can be calculated by subtracting the variance of Y in the original model from the variance of Y in the new model.

2. The relative reduction can be calculated by dividing the absolute magnitude by the variance of Y in the original model.

3. The latter measure is called the coefficient of determination or R-squared and represents the proportion of variance in Y that can be explained by the regression model.

When time is introduced into a regression model, it can have an impact on the variation of the dependent variable Y. The absolute magnitude of this reduction in variation can be measured by calculating the difference between the variance of Y in the original model and the variance of Y in the new model that includes time. The relative reduction in variation can be calculated by dividing the absolute magnitude of the reduction by the variance of Y in the original model.
The latter measure, which is the ratio of the reduction in variation to the variance of Y in the original model, is called the coefficient of determination or R-squared. This measure represents the proportion of the variance in Y that can be explained by the regression model, including the independent variable time. A higher R-squared value indicates that the regression model is more effective at explaining the variation in Y.

To know more about magnitude visit:

brainly.com/question/2596740

#SPJ11

Answer:

I would say D

Explanation:

because the amount of energy in molecules of matter determines the state of matter

(if I'm wrong I'm sorry)

The average energy flow rate of the wave is approximately 6.7 × 10⁻¹⁵ watts per square meter.

The time-averaged rate of energy flow in watts per square meter associated with the wave can be calculated using the formula:

P = (1/2) * ε₀ * c * E²

where P is the power density (energy flow per unit area), ε₀ is the vacuum permittivity (8.85 × 10⁻¹² F/m), c is the speed of light in vacuum (3 × 10⁸ m/s), and E is the amplitude of the electric field.

Substituting the given values into the formula:

P = (1/2) * (8.85 × 10⁻¹² F/m) * (3 × 10⁸ m/s) * (299.9 V/m)²

P ≈ 6.7 × 10⁻¹⁵ W/m²

Therefore, the time-averaged rate of energy flow associated with the wave is approximately 6.7 × 10⁻¹⁵ watts per square meter

You can learn more about energy flow rate  at

https://brainly.com/question/13033693

#SPJ11

The leaves of a negatively charged electroscope will move apart if a positively charged rod is brought close to the top of the electroscope, but not touching it.

What is an electroscope?

An early scientific tool used to find an electrical charge on a body is called an electroscope. The movement of a test object caused by the Coulomb electrostatic force is used to detect charge. An object's charge is inversely proportional to its voltage.

part a) leaves will repel. leaves will move further apart.

part b)  all the negative moves to the top to get closer to the positive leaves go back together as an excess negative move to the top.  leaves separate less.

To learn more about the electroscope the link is given below:
https://brainly.com/question/16183122?
#SPJ4

Answer:

a force

Explanation:

The Hayashi model is a theoretical model used to describe the temperature distribution and conditions in the protoplanetary disk. However, it does not provide explicit information about the gas-solid interaction regimes or the particle size boundaries.

To determine the particle radius on the boundaries between the different regimes, we need to consider the relevant laws and models related to gas-solid interactions.

Regime (1): Epstein Law

Regime (II): Stokes Law

Regime (III): Ideal Fluid

In the context of gas-solid interactions, these regimes represent different flow regimes based on the size of solid particles and the behavior of the gas surrounding them.

The Epstein Law (Regime 1) applies when the mean free path of gas molecules is greater than the particle radius, and individual gas molecules collide with the particle. In this regime, the gas behaves like individual particles.

Stokes Law (Regime II) applies when the particle size is large enough that gas molecules can no longer individually collide with the particle but instead adhere to its surface, causing a viscous drag. In this regime, the gas behaves like a viscous fluid.

The Ideal Fluid (Regime III) represents the limit where the particle size is large enough that the gas behaves like an ideal fluid, and the viscous drag becomes negligible.

To determine the particle radius on the boundaries between these regimes in the Hayashi model, more specific information about the model is needed. The Hayashi model is a theoretical model used to describe the temperature distribution and conditions in the protoplanetary disk. However, it does not provide explicit information about the gas-solid interaction regimes or the particle size boundaries.

To know more about regime:

https://brainly.com/question/31632588

#SPJ4