a 1540-kg parked truck has a wheel base of 3.13 m (this is the distance between the front and rear axles). the center of mass of the truck is 1.3 m behind the front axle. (a) what is the force exerted by the ground on each of the front wheels? [4000,5000] n (b) what is the force exerted by the ground on each of the back wheels? [3000,4000] n hint: this is a chapter 12 equilibrium problem. remember that the truck has four wheels, not just the two you can see in the drawing.

The smallest component of a chemical that can't be chemically broken down to produce static electricity has 18.06 10–23 atoms in each of its elements, which is 4Al2O3.

Protons, electrons, and neutrons are the three fundamental type of particles found in atoms. In contrast, the mass of the electron is extremely little compared to that of neutrons and protons. A neutrons has no charge, a proton has a positive charge, and an electron has a negative charge.

After the Big Big 13.7 billion years ago, atoms began to form. Conditions for the formation of quarks and electrons improved when the scorching, dense new universe cooled. Protons and neutrons were created when quarks joined to form nuclei from these particles.

To know more about  static electricity visit:

https://brainly.com/question/26609519

#SPJ1

Answer:

Explanation:

For every action (or force), there is an equal and opposite action (or force).

Answer:

80 N

Explanation:

The windshield is a part of the car and the bug hits it so the bug hits the car. they both are in opposite directions so their total force will be 80N

The most accurate among the options is 13°c almost-equals 55.0°f, when you round down 55.4, you get 55.0

Hence, option D) is the most accurate.

Scale of temperature is simply a method used in calibrating the physical quantity of temperature in metrology.

Conversion of Celsius into Fahrenheit, Formula is expressed as;

Degree = (0 × 9/5) + 32 = Fahrenheit

First we check each option;

A) 24°c almost-equals 75.9°f

24°C = (24 × 9/5) + 32 = 75.2°F

B) 2°C almost-equals 35.8°f

2°C = (2 × 9/5) + 32 = 35.6°F

C) 34°C almost-equals 92.7°f

34°C = (34 × 9/5) + 32 = 93.2°F

D) 13°c almost-equals 55.0°f

13°C = (13 × 9/5) + 32 = 55.4°F

The most accurate among the options is 13°c almost-equals 55.0°f, when you round down 55.4, you get 55.0

Hence, option D) is the most accurate.

Learn more about temperature scales here: https://brainly.com/question/88395

#SPJ4

Answer:2 protons and 2 neutrons

Explanation:In Nuclei, There are 2 forces. 1 force is electrostatic and acts as repulsion between 2 protons. The other is force of attraction called Nuclear force between 2 neutrons.

Answer:

\(F = ma \\ a = \frac{F}{m} = 6 \\ when \: force \: is \: trippled \: and \: mass \: is \: halved \\ a = \frac{3F}{ \frac{1}{2} m} = \frac{3}{2} \times 6 \\ a = \frac{(3 \times 6)}{2} \\ a = \frac{18}{2} \\ a = 9 \: m {s}^{ - 2} \)

Answer: left side

Explanation:

Given

Block of wood is pushed to the right

As friction always resist the motion, it must be acting towards the left side to stop the block

The open-circuit test was performed on the low voltage side of the transformer, while the short-circuit test was performed on the high voltage side.

To find the approximate equivalent circuit referred to the high side, we need to calculate the following parameters:
1. Referred Resistance (R'):
\(R' = (Short-circuit power) / (Short-circuit current)^2\)
\(R' = 320 watts / (8 A)^2\)
\(R' = 320 watts / 64 A^2R' = 5 ohms\)
2. Referred Reactance (X'):
X' = sqrt[(Open-circuit power)^2 - (Referred Resistance)^2]
\(X' = sqrt[(100 watts)^2 - (5 ohms)^2]\)
\(X' = sqrt[10000 - 25]\)
\(X' = sqrt[9975]\)
\(X' ≈ 99.87 ohms\)
The approximate equivalent circuit referred to the high side is represented as follows:
Series combination of Referred Resistance (R') and Referred Reactance (X') in parallel with the ideal transformer.

To find the approximate equivalent circuit referred to the low side, we can use the following formulas:
1. Referred Resistance (R''):
\(R'' = (Referred Resistance) * (Turns ratio)^2\)
\(R'' = 5 ohms * (2500 V / 250 V)^2\)
\(R'' = 5 ohms * (10)^2\)
\(R'' = 5 ohms * 100\)
\(R'' = 500 ohms\)
2. Referred Reactance (X''):
\(X'' = (Referred Reactance) * (Turns ratio)^2\)
\(X'' = 99.87 ohms * (2500 V / 250 V)^2\)
\(X'' = 99.87 ohms * (10)^2\)
\(X'' = 99.87 ohms * 100\)
\(X'' = 9987 ohms\)The approximate equivalent circuit referred to the low side is represented as follows:
Series combination of Referred Resistance (R'') and Referred Reactance (X'') in parallel with the ideal transformer.

To know more about  voltage  visit:

https://brainly.com/question/32002804

#SPJ11

Answer:

A generator is a device that converts mechanical energy into electrical energy by rotating a coil of wire in a magnetic field.

Answer: A gram of gold is worth about $25, so 2 grams or better would be viewed as high-grade for bulk tonnage mining.

Explanation:

i looked it up.

No, the sun cannot explain global warming. Global warming is a phenomenon in which the temperature of the Earth's surface and atmosphere is rising continuously due to human activities such as deforestation, burning of fossil fuels, and industrialization.

This increase in temperature cannot be explained only by an increase in solar radiation.There are several factors which contribute to global warming, including greenhouse gases such as carbon dioxide, methane, and water vapor. These gases trap heat in the Earth's atmosphere, which causes the planet's temperature to rise. The sun's radiation does contribute to global warming, but it is not the main cause.

i) To calculate the increase in solar radiation that would cause the Earth to warm up by 1 K, we can use the following formula:ΔS = ΔT / αWhere ΔS is the increase in solar constant, ΔT is the increase in temperature, and α is the Earth's albedo (reflectivity).α = 0.30 is the standard value used for the Earth's albedo.ΔS = ΔT / αΔS = 1 K / 0.30ΔS = 3.33 W/m2So, to explain the increase in temperature of 1 K over the last hundred years, the solar constant would need to increase by 3.33 W/m2.

ii) The observed fluctuation of the solar constant over the past 400 years has been around 0.1% to 0.2%. This is much smaller than the 3.33 W/m2 required to explain the increase in temperature of 1 K over the last hundred years. Therefore, it is unlikely that the sun is the main cause of global warming.

The sun cannot explain global warming. While the sun's radiation does contribute to global warming, it is not the main cause. The main cause of global warming is human activities, particularly the burning of fossil fuels, which release large amounts of greenhouse gases into the atmosphere.

To know more about global warming :

brainly.com/question/29625243

#SPJ11

If the switch is open, there will be no potential difference between the plates since no current is flowing through the circuit to establish a potential difference.

A potential difference, or voltage, is the electrical energy per unit charge that is transferred between two points in a circuit. In this case, the plates are separated by a distance d and are part of a circuit that includes a switch. When the switch is open, the circuit is not complete and no current flows through it. Therefore, there is no transfer of electrical energy between the plates, and no potential difference exists between them.

When a switch is open, it acts as a gap in the circuit, interrupting the flow of electrical current. This means that there is no electrical energy being transferred from one plate to the other.

Potential difference, also known as voltage, is the measure of the electric potential energy per unit charge between two points in a circuit. It is calculated as the work done per unit charge to move a small test charge from one point to another in an electric field.

Learn more about circuit here:

https://brainly.com/question/27206933

#SPJ4

The initial pressure of the system was 290.66 torr.

To find the initial pressure of the system, we can use the combined gas law equation:

(P1 × V1) / (T1 × n1) = (P2 × V2) / (T2 × n2)

Since the number of moles (n) and volume (V) are constant, we can simplify the equation to:

P1 / T1 = P2 / T2

Substituting the given values, we have:

P1 / (44.30 + 273.15) = 350.5 / (109.1 + 273.15)

Now, we can solve for P1 by cross-multiplication:

P1 = (350.5 / (109.1 + 273.15)) × (44.30 + 273.15)

P1 = (350.5 / 382.25) × 317.45

P1 = 0.916 × 317.45

P1 ≈ 290.66 torr

Therefore, the initial pressure of the system was approximately 290.66 torr.

For more questions like Pressure click the link below:

https://brainly.com/question/22245160

#SPJ11

The top: Deposition, compaction, and cementation. The right: The heat and pressure.

The bottom Right: Melting.

The bottom left: Cooling.

The top left: Weathering and erosion.

Answer: atoms that are attracted to each other because the bonds that form between them can support the creation of the structure

Explanation:

The work done required to pump all of the water (a) over the side is 6.8094 × 10⁶ J and (b) out of an outlet 2 m over the side is 11.349 × 10⁶ J.

The total amount of work done required to pump all of the water in a circular swimming pool with a diameter of 14 m whose circular side is 3 m high, and the depth of the water is 1.5 m can be calculated as follows:

(a) Pump all of the water over the side:

We have been given that the circular swimming pool has a diameter of 14 m. The depth of the water is 1.5 m. So the radius of the pool can be calculated as:

r = d/2 = 14/2 = 7 m

The volume of the water that needs to be pumped out of the pool is given by the formula:

Volume of water = πr²h

Where h is the depth of the water.

V = πr²h= 22/7 × 7 × 7 × 1.5= 231 m³

The mass of water that needs to be pumped out of the pool can be calculated as follows:

Mass of water = Volume of water × Density of water = 231 × 1000= 231000g

The gravitational force on the water can be calculated as follows:

Gravitational force on water = Mass of water × Acceleration due to gravity = 231000 × 9.8= 2269800 N

Work done in pumping all the water over the side can be calculated as follows:

Work done = Gravitational force on water × Height from the surface to the top of the pool= 2269800 × 3= 6.8094 × 10⁶ J

(b) Pump all of the water out of an outlet 2 m over the side:

Work done in pumping all the water out of an outlet 2 m over the side can be calculated as follows:

Work done = Gravitational force on water × Height of outlet from the surface= 2269800 × 2= 4.5396 × 10⁶ J

Therefore, the total amount of work (in joules) required to pump all of the water over the side and pump all of the water out of an outlet 2 m over the side of the pool is 6.8094 × 10⁶ + 4.5396 × 10⁶ = 11.349 × 10⁶ J.

Learn more about Work done:

https://brainly.com/question/28356414

#SPJ11

Answer:

The answer is false

because they are held an electric forces or attraction

while the planets are held bt Gravitational foces

which allows them to move about their axis.

Answer: False

This statement is false

Answer:

The answer is

Explanation:

The velocity or speed of an object can be found by using the formula

\(velocity \: = \frac{distance}{time} \)

From the question

time taken to travel = 10 hours

distance covered = 550 miles

Substitute the values into the above formula and solve for the velocity

That's

\(velocity = \frac{550}{10} \)

We have the final answer as

Hope this helps you

Answer:

Below

Explanation:

Here is what we are given in the problem :

dy = - 1.0 m (this is negative because the cat falls)

Vx = 5.0 m/s

We can use this equation to find the time that it will take the cat to fall :

     t = √-2dy / g

     t = √-2(-1.0) / 9.8

     t = √0.20408

     t = 0.45 (round this to 2 sig figs)

    t = 0.5 seconds

Now we can find dx (distance in the x direction)

     dx = vx (t)

     dx = (5.0m/s)(0.45s)

     dx = 2.258769 m

     dx = 2.3 m

Hope this helps! Best of luck <3

Answer:

Cloth:

It is an insulator since it can't let electricity pass through

Dry Wood:

It is an insulator and can't conduct electricity.

Tap Water:

It is a good conductor as it contains dissolved salts.

Glass:

It is an insulator since it can't let electricity pass through.

Answer:

crest moon

Explanation: because you ar etalking about moons

The given series, 1 + 7n Σ 57 n = 1, is divergent because the terms in the series continue to increase without bounds, the sum of the series also increases indefinitely.

To determine the convergence or divergence of the series, we can analyze its behaviour as n approaches infinity. The series can be written as Σ(1 + 7n*57) for n = 1 to infinity. By simplifying the expression, we have Σ(399n + 1) for n = 1 to infinity.

As n increases, the summand of the series grows linearly with a coefficient of 399. Since the coefficient is nonzero and positive, the series will diverge. This means that the sum of the series will not approach a finite value as n tends to infinity.

Therefore, the given series is divergent, and we cannot find its sum. It is important to note that a divergent series does not have a finite sum. Therefore, the sum of the given series is "DIVERGES."

Learn more about convergence here:

https://brainly.com/question/28501133

#SPJ11

Answer:

colder because of moisture

The displacement in SHM is 1/5 of amplitude, and the fraction of total kinetic energy is Ek = 24/25.

Simple harmonic motion is described as the periodic motion of a point along a straight line with an acceleration that is always toward a fixed point in that line and a distance from that point that is proportional to that acceleration.

Calculations:

Let’s derive the equations needed from the first principle. For SHM with amplitude  A  and angular speed  ω  the displacement is:

s=Asin(ωt) ------------ (1)

Differentiate the displacement to get the velocity:

v=s′=Aωcos(ωt)

So for a mass m, the kinetic energy is:

Ek = 1/2mv²

Ek =  1/2m ×(Aωcos(ωt) )² --------------------- (2)

At time t= 0 the displacement s= 0 and so all the energy is kinetic. Therefore the total energy is:

E (total) = 1/2m ×( Aωcos(0) )²

E (total) = 1/2m × (Aω)² ------------------ (3)

Comparing (2) and (3) we can rewrite the kinetic energy in terms of the total energy:

Ek = E (total) cos²(ωt)

Using the identity  cos² (x) + sin² (x) = 1,  we can rewrite this equation as:

Ek = Etotal (1−sin²) .(ωt)) ---------------------(4)

We also know that the potential energy  U = E(total) − Ek, so:

U = E (total) − E (total) (1−sin²(ωt) )

U = E (total) sin²(ωt)  -------------------------(5)

Now in this question, we’re given that  s = 1/5 A, so from our displacement formula  (1)  we have:

s= Asin (ωt) = 1/5A

Inserting this in equation  (4)  we have for the kinetic energy:

Ek = E (total)(1 − (1/5)²)

Ek = 24/25 (E (total) )

Hence, the displacement in SHM is 1/5 of the amplitude, and the fraction of total kinetic energy is Ek = 24/25.

To know more about Simple Harmonic Motion, check out:

https://brainly.com/question/20885248

#SPJ4

Answer:

A negatively charged particle -q is placed at the center of a uniformly charged ring, where the ring has a total positive charge Q as shown in the following figure. The particle, confined to move along the x axis, is moved a small distance x along the axis ( where x << a) and released. Show that the particle oscillates in simple harmonic motion with a frequency given by,