a 10-ohm resistor has a 5-a current in it. what is the voltage across the resistor? a. 5 v b. 10 v c. 15 v d. 20 v e. more than 20 v

The volume occupied by gas is 37.25 ml.

the rule that states that the sum of the absolute temperature of the gas and the universal gas constant is equal to the product of the pressure and volume of a single gram of an ideal gas.

The ideal gas law will be used for calculation of volume. The law is as follows :

P₁V₁ / T₁ =  P₂V₂ / T₂

Keep the values in mentioned formula to find the value of final volume.

V₂ = (14.8 × 23.5 × 415) ÷ (12.3 × 315)

Performing multiplication in both numerator and denominator on Right Hand Side of the equation

V₂ = 144,337 ÷ 3874.5

Performing division on Right Hand Side of the equation

V₂ = 37.25 ml

Thus, the final volume of given sample of gas is 37.25 ml.

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The velocity vs. time graph provides information about how the velocity of an object changes over time.

The velocity vs. time graph is a graphical representation of the object's velocity at different points in time. The graph consists of two axes: the vertical axis represents velocity, and the horizontal axis represents time. By examining the graph, you can determine various characteristics of the object's motion.

For example, a positive slope on the graph indicates that the object is moving in a positive direction with increasing velocity. A negative slope indicates motion in the opposite direction or decreasing velocity.

A horizontal line represents constant velocity, as the slope is zero. The steepness of the slope indicates the rate at which the velocity is changing. A steeper slope indicates a faster change in velocity.

The velocity vs. time graph is a valuable tool in understanding the motion of objects. By analyzing the graph's shape and slope, you can determine important information such as acceleration, deceleration, constant velocity, and direction of motion.

It provides a visual representation that aids in interpreting and predicting an object's motion over time.

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Answer:

Mass, acceleration

Explanation:

Force= Mass (kg) *acceleration (m/s^2)

Answer:

The correct answer is option D.

Explanation:

With an increase in temperature, the particles increase kinetic energy and move quicker. The normal speed of the particles relies upon their mass just as the temperature – heavier particles move more gradually than lighter ones at a similar temperature.

The temperature increase in this system since the average kinetic energy of the particles increases and particles move quickly. And after some time the temperature of the system is lower now than it was initially.

Thus, the correct answer is option D.

The impact of the change in motion should be option D.

In the case when there is an increase in temperature, the particles should increase kinetic energy and move faster. The normal speed of the particles believes their mass is like the temperature. The temperature rises in this system because the average kinetic energy of the particles should rised and particles move faster.

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Answer:

Explanation:

The distance will be the total distannce covered during the journey.

If you move 3 meters East and move 4 meters north, then the distance will be calculated as;

Distance = distnace through East+distance through north

Distance = 3m + 4m

Distance = 7m

Displacement is the distance covered in a specified direction. It is the shortest distance covered by me. This can be gotten using the Pythagoras theorem.

d² = 3²+4²

d² = 9+16

d² = 25

d = √25

d = 5m

Hence the displacement of the object is 5metres

The situation described in the question can be explained by Newton's Second Law of Motion, which states that the acceleration of an object is directly proportional to the force applied to the object, and inversely proportional to its mass. This law is expressed by the following equation:

F = ma

where F is the net force applied to an object, m is the mass of the object, and a is the resulting acceleration.

In the case of the racing car, a powerful engine produces a large net force that is applied to the car. Because the mass of the car is very small, the acceleration produced by this force is correspondingly very large. This allows the car to accelerate very quickly to high speeds.

This is also related to Newton's First Law of Motion, which states that an object at rest will remain at rest, and an object in motion will remain in motion at a constant velocity, unless acted upon by an external force. In the case of the racing car, the powerful engine provides the external force needed to overcome the car's inertia and get it moving. Once the car is in motion, it will continue to move at a constant velocity unless another force, such as friction or air resistance, acts to slow it down.

The Earth's spinning at approximately 582.2 mph in Baton Rouge.

To find out how fast the Earth is spinning in Baton Rouge, we need to consider the latitude of Baton Rouge, which is 30.45N. We know that the speed of Earth at the equator is 1,025 mph, and this speed decreases by the cosine of the latitude.

Here's a step-by-step calculation:

1. Determine the latitude of Baton Rouge: 30.45N
2. Calculate the cosine of the latitude: cos(30.45) = 0.568
3. Multiply the cosine of the latitude by the speed of Earth at the equator (1,025 mph): 0.568 × 1,025 mph = 582.2 mph

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Answer:

90N

Explanation:

The total resultant force acting on the desk being pushed by Sara and Carlo is 90N

A resultant force is a singular force that will act the same effect as the forces acting on a body.

So;

  Resultant force = Force applied by Sara + Force applied by Carlo

  Resultant force  = 50N + 40N  = 90N

A 200.0 lb pumpkin is dropped from the roof of a 5-story (15 m) building. assuming it starts from rest and ignoring drag forces, with what speed does it impact the ground below is as follow:

The potential energy (P.E.) of an object is the energy it has due to its place, and the higher the object's height, the more potential energy it has. As a result, the pumpkin, with a weight of 200.0 lb, is at a height of

5 x 3.28 = 16.4 meters.

Its gravitational potential energy is equal to the product of the mass of the object, the acceleration due to gravity (9.8 m/s²), and its height above the ground. The gravitational potential energy can be calculated as follows:

Gravitational Potential Energy = mgh

where m is the mass, g is the acceleration due to gravity, and h is the height above the ground.

So, Gravitational Potential Energy

= (200.0 lb) x (1 kg/2.2 lb) x (9.8 m/s²) x (16.4 m)

= 1.867 kJ (rounded to three significant figures)

Now, we know that all of this potential energy will be transformed into kinetic energy (K.E.) when the pumpkin is released and starts falling. The kinetic energy formula is:

K.E. = ½mv²

where m is the mass of the object, and v is the velocity (speed) of the object.

Using the above formula, we can calculate the velocity (speed) of the pumpkin when it reaches the ground below.

K.E. = P.E. (since potential energy equals kinetic energy)

½mv² = mgh

We'll substitute in the numbers we've computed so far and solve for v.

v = √(2gh)

Where v is the speed, g is the acceleration due to gravity, and h is the height above the ground.

So, v = √(2gh) = √(2 x 9.8 m/s² x 16.4 m) = 18.2 m/s (rounded to two significant figures)

Therefore, the speed with which the pumpkin strikes the ground is 18.2 m/s.

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Explanation:

Given that,

The frequency of microwaves, \(f=9\times 10^9\ Hz\)

The time period of the wave is :

\(t=\dfrac{1}{f}\\\\t=\dfrac{1}{9\times 10^9}\\\\t=1.1\times 10^{-10}\ s\)

Let \(\lambda\) is the wavelength of the wave. We know that,

\(v=f\lambda\\\\\lambda=\dfrac{v}{f}\)

Put all the values,

\(\lambda=\dfrac{3\times 10^8}{9\times 10^{9}}\\\\\lambda=0.03\ m\)

Hence, this is the required solution.

A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\) meters. If the truck's mass is 7,000 kilograms, the work done to reach this distance is 3.3× \(10^6\) joules.

The correct answer is option E.

To calculate the work done by the truck to cover a distance of 5.8 × \(10^4\)meters, we need to use the equation for work:

Work = Force × Distance

In this case, the force can be calculated using Newton's second law:

Force = mass × acceleration

Where:

Acceleration (a) = \(0.0083 meters/second^2\)

Distance (d) = 5.8 ×\(10^4\) meters

Mass (m) = 7,000 kilograms

First, let's calculate the force exerted by the truck:

Force = mass × acceleration = (7,000 kg) ×\((0.0083 meters/second^2)\)= 57.1 Newtons

Next, we can calculate the work done:

Work = Force × Distance = (57.1 N) × (5.8 × 10^4 meters) = 3.3158 × \(10^6\)joules

Rounded to the nearest significant figure, the work done by the truck is approximately 3.3 × \(10^6\) joules.

Therefore, the correct answer is E.

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The question probable may be:

A truck accelerating at 0.0083 meters/second2 covers a distance of 5.8 ×\(10^4\)meters. If the truck's mass is 7,000 kilograms, what is the work done to reach this distance?

A. 1.7 × \(10^6\) joules

B. 3.4 ×\(10^6\) joules

C. 5.6 × \(10^6\)joules

D. 6.8 ×  \(10^6\)joules

E. 3,3  ×\(10^6\)  joules

Answer:

Explanation:

s=vt

t=s/v

s=260 m

v=vf-vi=12-0=12 m/s

therefore

t=260/12=21.67 sec

Answer:

False:  Wave lengths on the electromagnetic spectrum are "electromagnetic",

They are transverse waves,

Sound waves are "longitudinal" waves and depend on the motion of the medium of transmission for propagation.

Answer:

energy is equal to 1000 J

Explanation:

When the jumper is in the tent, he has a given height, this height gives him a gravitational potential energy, which forms his initial mechanical energy of 1000 J. After jumping, this energy is converted into elastic energy of the rope plus a remainder of potential energy gravitational, it does not reach the ground, but as the friction is negligible the total mechanical energy is conserved, therefore its energy is equal to 1000 J

This is a case of energy transformation, but the total value of mechanical energy does not change

Answer: \(36.22\ V\)

Explanation:

Given

Energy in a capacitor \(E=7.77\times 10^{-7}\ J\)

Charge \(Q=4.29\times 10^{-8}\ C\)

Energy of a capacitor is given by

\(E=\dfrac{1}{2}CV^2=\dfrac{1}{2}QV\quad [\text{Q=CV}]\)

Insert the values

\(E=\dfrac{1}{2}QV\\\\\Rightarrow 7.77\times 10^{-7}=\dfrac{1}{2}\times 4.29\times 10^{-8}\times V\\\\\Rightarrow V=3.622\times 10\\\\\Rightarrow V=36.22\ V\)

Thus, the voltage around the capacitor is \(36.22\ V\)

Answer:

A comet

Explanation:

The picture is of an elliptical orbit of a comet. You can tell it is a comet because of the tail. Also, I just took the test and it was a comet.

Answer:

forever alone uwu......

When a ball is at a particular height it possess potential energy which is given as,

The potential energy is converted into kinetic energy of the ball. According to conservation of energy,

which can be further given as,

Substitute the known values,

Thus, the kinetic energy of the ball is 0.140 J.

Physical Science B - Accommodated Finalb. 10jPhysical Science is the branch of natural science that deals with matter, energy, and their interactions. It can be divided into two branches: Chemistry and Physics. Both of these disciplines work together to study the physical world.

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Answer:

a. 25 N. The box will move toward the greater force, however, I'm not too sure if that is enough to move a 100kg box.

Explanation:

First, let's define resultant force.

Resultant force is the total force of action enacted on a object or thing.

To get the resultant force of this problem, add 10 N to 15 N and you will get an answer of 25 N total.

The object will move toward the greater force because there is a larger difference between the force on the left.

The difference in the pressure between the inside and outside will be 369.36 N/m²

The force applied perpendicular to the surface of an item per unit area across which that force is spread is known as pressure.

It is denoted by P. The pressure relative to the ambient pressure is known as gauge pressure.

The given data in the problem is;

dP is the change in the presure=?

Using Bernoulli's Theorem;

\(\rm \rho\frac{V^2_{12}}{2} +P_1= \rho \frac{V^2_{22}}{2} +P_2 \\\\\ P_2-P_1=\rho \frac{v_2^2-v_1^2}{2} \\\\ P_2-P_1= 1.21 \times \frac{17.4^2-0}{2} \\\\ \triangle p=369.36 \ N/m^2\)

Hence, the difference in the pressure between the inside and outside will be 369.36 N/m²

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Answer: 195.2802 → 195 for Acellus

Explanation: 0.5*1.29*17.4^2

By using seatbelts, all passengers and driver may prevent or limit the injuries that could occur from the effects of inertia.

Inertia is a tendency to do nothing or to remain unchanged.

Inertia means an object will continue its current motion until some force causes its speed or direction to change.

While travelling in a vehicle, the inertias experienced by the passengers and drivers are inertia of motion and inertia of rest.

To avoid these, seatbelts are designed.

A seat belt is defined as a vehicle safety device designed to secure the driver or a passenger of a vehicle against the inertias.

Hence,

By using seatbelts, all passengers and driver may prevent or limit the injuries that could occur from the effects of inertia.

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The cross in parental genotypes of Rr and Rr will have ¾ round and ¼ wrinkled of its phenotypes. The correct option is A.

The set of qualities or characteristics that can be observed in an organism are known as its phenotype in genetics.

The word includes an organism's anatomy, developmental processes, physiological and biochemical characteristics, behaviour, and the outcomes of behaviour.

In the given scenario, the alleles that will be formed are RR, Rr, and rr. The ratio of this will be 3:1.

It means, there will be 3 round phenotype out of 4 and one will be wrinkled.

Thus, the correct option is A.

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Answer:

1)  10 kg-m/s

2)  2 kg

3)  20 m/s

Explanation:

The momentum of an object can be calculated using the equation:

\(\large\boxed{p=mv}\)

where:

\(\hrulefill\)

For this question we need to find the momentum of a bowling ball whose mass is 4.0 kg is rolling at a rate of 2.5 m/s.

Given values:

Substitute the given values into the momentum formula and solve for p:

\(p=4.0\;\text{kg} \cdot 2.5\;\text{m/s}\)

\(p=10\;\text{kg m/s}\)

Therefore, the momentum of the bowling ball is 10 kg-m/s.

\(\hrulefill\)

For this question we need to find the mass of a skateboard rolling at a velocity of 3.0 m/s with a momentum of 6.0 kg-m/s.

Given values:

As we want to find mass, rearrange the momentum formula to isolate m:

\(\large\boxed{m=\dfrac{p}{v}}\)

Substitute the given values into the formula and solve for m:

\(m=\dfrac{6.0\; \text{kg m/s}}{3.0\; \text{m/s}}\)

\(m=2\;\text{kg}\)

Therefore, the mass of the skateboard is 2 kg.

\(\hrulefill\)

For this question we need to find the velocity of a baseball with a mass of 0.5 kg and a momentum of 10 kg-m/s.

Given values:

As we want to find velocity, rearrange the momentum formula to isolate v:

\(\large\boxed{v=\dfrac{p}{m}}\)

Substitute the given values into the formula and solve for v:

\(v=\dfrac{10\; \text{kg m/s}}{0.5\; \text{kg}}\)

\(v=20\;\text{m/s}\)

Therefore, the velocity of the baseball is 20 m/s.

The force F exerted by an electric field on a test charge q is given by:

From this equation we notice that if we change the test charge then the force will change as well.

Therefore, the forces on the charges will not be the same.

We can't determine the electric field without further information on the problem; we need the force on one of the test charges to determine the magnitude of the field.

The statement, "if it were not for the inclination of earth's axis, there would be no well-defined seasons." is true.

Many people think that the July heat is brought on by Earth's close proximity to the Sun. They also believe that during the winter, Earth is furthest distant from the Sun. It is untrue. The Earth's orbit is not a complete circle, it is true. It is somewhat disproportionate. The Earth and Sun get closer to one another at different times during the year.

Nevertheless, there are winter and summer seasons in the Northern Hemisphere, with winter being the season when Earth is closest to the Sun. The imaginary pole known as the Earth's axis runs through the planet's center from "top" to "bottom." The planet circles fully around this pole every day. The seasons on Earth are impacted by the planet's tilt.

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The array `x` is a three-dimensional array with dimensions 4, 5, and 6.

1. `x.length` gives the length of the first dimension, which is 4. This means that x has 4 elements in its first dimension. Each element in the first dimension is a two-dimensional array.

2. `x[2].length` gives the length of the second dimension of the element at index 2 in the first dimension. Since the second dimension represents arrays, `x[2].length` gives the length of the second dimension of the two-dimensional array at index 2. In this case, it is 5. So, `x[2]` has 5 elements in its second dimension.

3. `x[0][0]. length gives the length of the third dimension of the element at index 0 in the first dimension and index 0 in the second dimension. Since the third dimension represents arrays, `x[0][0]. length gives the length of the third dimension of the two-dimensional array at index 0 in the first dimension. In this case, it is 6. So, `x[0][0] has 6 elements in its third dimension.

In summary:
- x.length is 4.
- x[2].length is 5.
- x[0][0].length is 6.

These values represent the lengths of the dimensions in the `x` array.

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At a speed of 12 m/sec, you can travel 720 meters in one minute. This is because there are 60 seconds in one minute, and if you travel at a speed of 12 m/sec for 60 seconds, you would have covered a distance of 720 meters.

To calculate how far you can travel in one minute at a speed of 12 m/sec, we need to break down the units of measurement and perform some calculations. We know that 12 m/sec means that you are travelling 12 meters in one second. Therefore, in 60 seconds (which is one minute), you would have travelled 12 x 60 = 720 meters.

In summary, at a speed of 12 m/sec, you can travel 720 meters in one minute. This is because you are travelling at a rate of 12 meters per second, and in one minute, you would have travelled 720 meters.
At a speed of 12 meters per second, you can travel quite far in one minute. To determine the distance, you need to multiply the speed by the time traveled. In one minute, there are 60 seconds. Therefore, to calculate the distance traveled, simply multiply the speed (12 m/s) by the time (60 seconds): 12 m/s * 60 s = 720 meters.

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Answer:

scalar d = 54000 m , v_average = 16,667 m / s

vector    d = -4000 m , moved 4000 to the west

                 v_average = 0                

Explanation:

his is a uniform motion exercise, but we must be careful with quantities that are scalars and vector quantities

The distance traveled is a scalar

       d = d₁ + d₂

       d = 25000 + 29000

       d = 54000 m

the speed is a scalar, in the exercise it is not specified if the speed of each trajectory or the average speed. Therefore we will calculate the two

       v₁ = d₁ / t₁

       v₁ = 25000/1500

       v₁ = 16,667 m / s

       v₂ = 29000/1740

        v₂ = 16,667 m / s

Since the two speeds are equal, the average speed is

       v = (v1 + v2) / 2

       v_average = 16,667 m / s

now let's calculate the displacement that is a vector, so it has direction in addition to modules

suppose the eastward direction is positive and the bold are vectors

      d = d₁ - d₂

       d = 25000 - 29000

        d = -4000 m

this means that it moved 4000 to the west

velocity is a vector, we assume positive eastward movement

        v₁ = 16,667 m / s

         v₂ = - 16,667 m / s

         v_average = (v1 -v2) / 2

         v_average = 0

When a rock on the edge of a cliff falls off, the rock converts its potential energy into kinetic energy. In other words, it begins to move, accelerating towards the ground.

When it falls, the gravitational potential energy that the rock had on the cliff is converted into kinetic energy because of gravity. The rock moves faster and faster as it falls. Hence, at the point where the rock falls from the cliff, it has a maximum amount of potential energy, but no kinetic energy yet.As the rock falls from the cliff, the speed and velocity of the rock changes. Due to the acceleration of gravity acting upon the rock, the velocity of the rock increases steadily as it falls. Hence, the potential energy decreases while the kinetic energy increases as it nears the ground. Therefore, the rock’s kinetic energy increases as it approaches the ground.

When it strikes the ground, all its kinetic energy is absorbed and the rock comes to a complete stop, converting all of the kinetic energy into other forms of energy such as sound energy, heat energy, and deformation energy (if the ground is not hard).The transformation of the rock's potential energy into kinetic energy and the subsequent conversion of kinetic energy to sound energy, heat energy, and deformation energy upon impact is known as the principle of the conservation of energy.

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