A wagon having a mass of 91 kg is accelerated across a level road at 0.97 m/s2
What net force acts on the wagon horizontally?

Energy is transferred.

Every time labour is performed, energy is transmitted, as shown by the definition of work in physics. Work is the result of the displacement's magnitude and the component of force acting in that direction.

What are 3 types of work done?

Work is the result of force and distance, or the force exerted over a specific distance. In other words, Work = Force x Distance.

Joules are used to measure work.

1. Positive Work: Positive work is when a force moves an object in that direction. The motion of a ball descending toward the earth while it is displaced in the direction of the force of gravity is an illustration of this type of labour.

2. Negative Work: The work is said to be negative if the force and the displacement are in the opposing directions. For instance, if a ball is thrown high, its displacement will also be upwards, while the force from the earth's gravity will be downward.

3. Zero Work: When the force and displacement directions are parallel to one another, there is no work done on the item by the force.

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Answer:Energy is transferred.

Explanation: Took the test and Passed

Answer:

10 J

Explanation:

work = force x distance

work = 5x2

work = 10 J

Joule is the unit for work

The resultant of the forces is 29 N. Option D

The resultant force is the force that acts in a given direction. Now we have two forces as enumerated in the question.

Thus;

Resultant = √(10)^2 + (20)^2 - [2 * 10 * 20 * cos (60 - 30))

Resultant = 29 N

Thus, the resultant of the forces is 29 N.

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Missing parts;

Two forces of magnitude 10N and 20N act on a body in directions making angles 30° and 60° respectively with x-axis what is the resultant force

A.17N

B. 19N

C. 23N

D. 29N

E. 37N​

The net force applied to it is 6311.9 N.

To calculate the net force to the car, first, we need to find the acceleration using the equation of motion.

Force: This as be defined as the product of mass and acceleration of a body. The S.I unit of force is Newton (N)

⇒ Formula

⇒ Where:

From the question,

 ⇒Given:

⇒ Substitute these values into equation 1

⇒ Solve for a

⇒ To get the force, we use the formula below

⇒ Where:

⇒ Given:

⇒ Substitute these values into equation 2

Hence the net force applied to it is 6311.9 N.

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The new  time period of the system is 8.77 sec. If she stands up.

calculation

T = 2π√(L/g)

l = g*(8.85/2π)^2

new length = l -0.35= 8.85-0.35

T = 8.77 sec

Term (T) is the amount of time an oscillating body takes to repeat itself, and Frequency (f or ν) is the variety of instances it repeats in one 2d or unit time. in case you degree time in s (seconds) then frequency is measured in Hz (cycles or durations in keeping with second.

center of mass:

The centroid of a mass distribution in space is the unique point where the weighted relative positions of the distribution masses sum to zero. This is the point where force can be applied to produce linear acceleration without angular acceleration.

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Answer:

divide the number of times the event occurs by the length of time.

Explanation:

The magnetic flux through the coil is given by:

Φ = BAcosθ

where B is the magnetic field, A is the area of the coil, and θ is the angle between the magnetic field and the normal to the plane of the coil. Since the axis of the coil is parallel to the field, θ = 0 and the equation simplifies to:

Φ = BA

The rate of change of magnetic flux is given by:

dΦ/dt = d(BA)/dt = A(dB/dt)

Plugging in the given values, we get:

A = πr^2 = π(1.0 cm)^2 = 3.14 × 10^-4 m^2

dB/dt = (0.30 T - 0.00 T)/(20 ms) = 1.5 × 10^4 T/s

Therefore, the emf induced in the coil is:

emf = -N(dΦ/dt) = -500 × 3.14 × 10^-4 m^2 × 1.5 × 10^4 T/s = -0.235 V

Note that the negative sign indicates that the emf is induced in a direction that opposes the change in magnetic flux.

Work done by team A while pulling team B is 2200 J.

What is work done?

The work done by a force is defined to be the product of the component of the force in the direction of the displacement and the magnitude of this displacement. Formula. Work can be calculated by multiplying Force and Distance in the direction of force as follows. W = F × d.

What is cos theta in work done?

Work done in physics is defined as a dot product of a force vector and displacement vector. W = F.S.cos θ where cos θ is the angle between the force vector and displacement vector.

What force is applied during tug of war?

Tug-of-war is a game that uses friction as the driving force.

What happens in a tug of war if both teams apply equal force?

In a tug of war, if the two teams are applying equal force on the rope then the net force acting on the rope is zero and hence the rope stays at the same place.

Force F= 1100 N

Displacement caused by the applied force S = 2 m

Force and displacement are in the same direction the angle between them is zero.

Work done is calculated as

\(W=F * S * cos theta\\W=1100 * 2 * cos 0\\W=2200 J\)

Thus, the work done by team A to pull is 2200J.

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Answer:

Explanation:

How would this number be expressed in scientific notation? 1.898^27 kg. ...

v

Convert the given temperatures from celsius to kelvin since we are dealing with gas.

To convert to kelvin, add 273.15 to the temperature in celsius.

T1 = 22 + 273.15 = 295.15 k

T2 = 4 + 273.15 = 277.15 k

V1 = 0.5 L

Let's find the final volume (V2).

To solve for V2 apply Charles Law formula below:

To find the x and y coordinates of the center of mass for the system of these three objects, we need to calculate the weighted average of the x and y coordinates of each individual object.

First, let's label the objects:
- Pipe wrench: mass = 2.3 kg
- Hatchet: mass = 1.5 kg
- Hammer: mass = 1.0 kg

Next, let's denote the x and y coordinates of each object's center of mass on the graph:
- Pipe wrench: (x1, y1)
- Hatchet: (x2, y2)
- Hammer: (x3, y3)

To calculate the x coordinate of the center of mass (x_cm), we use the formula:
x_cm = (m1*x1 + m2*x2 + m3*x3) / (m1 + m2 + m3)

Substituting the given values, we get:
x_cm = (2.3*x1 + 1.5*x2 + 1.0*x3) / (2.3 + 1.5 + 1.0)

Similarly, to calculate the y coordinate of the center of mass (y_cm), we use the formula:
y_cm = (m1*y1 + m2*y2 + m3*y3) / (m1 + m2 + m3)

Substituting the given values, we get:
y_cm = (2.3*y1 + 1.5*y2 + 1.0*y3) / (2.3 + 1.5 + 1.0)

By plugging in the specific x and y coordinates for each object, you can calculate the x_cm and y_cm values for the system of these three objects.

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If a dozen identical lightbulbs are connected to a given EMF (electromotive force), the bulbs will be brighter when they are connected in parallel.

EMF stands for Electromotive Force, which is the electrical potential difference between two points in a circuit that drives the current flow. It is also known as voltage or electric potential. In practical applications, EMF is often used to calculate the power or energy output of a device or system. It is also a crucial parameter in understanding the behavior of circuits and designing electrical devices and systems.

EMF is measured in units of volts (V) and is a fundamental concept in electrical engineering and physics. It is produced by various sources, such as batteries, generators, and solar cells. The EMF is the energy per unit charge required to move a charge from one point to another in a circuit. It is related to the strength of the electric field between the two points and the distance between them.

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Answer:

I thinks its c

Explanation:

I hope this helps :)

Positive acceleration speeds the object up. Negative acceleration, aka deceleration, slows the object down. Zero acceleration means the object either keeps the same speed or isn't moving at all (we can say the speed is 0).

When an object speeds up, the positive acceleration occurs.

The acceleration is the time rate of change of velocity.

a = dv /dt

If the velocity is increased, the acceleration also increases, time remains same to cover a fixed distance.
Speeding up the object means positive acceleration.  Negative acceleration also called deceleration slows the speed. Zero acceleration represents that the object is moving with constant velocity.

Thus, the positive acceleration occurs.

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There are two different devices in an automobile that can cause it to undergo acceleration. These devices are the gas pedal and cruise control.

An automobile is an essential mode of transportation that is powered by an internal combustion engine. In order for a car to move forward, it needs to undergo acceleration. There are several different devices in a car that can cause it to undergo acceleration. Two of the most important devices are the gas pedal and cruise control.

The gas pedal is a device that is located on the floor of the car. The driver presses down on the gas pedal to increase the speed of the car. When the gas pedal is pressed down, it opens a valve that allows more air and fuel to enter the engine. The engine then burns the extra fuel and air to produce more power, which causes the car to accelerate. The amount of acceleration that occurs is determined by how far down the gas pedal is pressed.

Cruise control is another device that can cause an automobile to undergo acceleration. Cruise control is a system that allows the driver to set a specific speed for the car to travel at. Once the speed is set, the car will automatically maintain that speed until the driver either presses the brake or turns off the cruise control. When the cruise control is engaged, it will cause the car to undergo acceleration until it reaches the desired speed, and then it will maintain that speed.

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Answer:

one of the most famous jobs in the energy feild is mining

its is so dangerous that companies are now moving more towards Autonomus,nonhuman work

these machines travel though the mineshafts and work extracting the ores.

If 1.00-m³ object floats in water with 20.0% of its volume above the waterline, the volume above the waterline is 0.80 m³. The weight of the object out of the water is 7848 N.

To solve this problem, we'll use the concepts of buoyancy, volume, and weight.

1. Determining the volume submerged in water:
Since 20% of the object's volume is above the waterline, 80% of its volume is submerged.
Submerged volume = 0.80 * 1.00 m³ = 0.80 m³

2. Calculating the buoyant force:
Buoyant force (F_b) = Volume submerged * density of water * acceleration due to gravity (g)
F_b = 0.80 m³ * 1000 kg/m³ * 9.81 m/s² = 7848 N

3. Calculating the weight of the object:
Since the object is floating, its weight (W) is equal to the buoyant force.
W = F_b = 7848 N

So, the weight of the object out of the water is 7848 N.

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X-axis represents the value of a particular characteristic; characteristics of an organism can include such traits as size and color.

A typical sort of distribution for a variable is the bell curve, commonly referred to as the normal distribution. The normal distribution graph, which has a symmetrical bell-shaped curve, is what gave rise to the phrase "bell curve."

The highest point on the curve, or the top of the bell, denotes the most likely outcome in a set of data (its mean, mode, and median), while all other potential outcomes are symmetrically distributed around the mean, resulting in a downward-sloping curve on each side of the peak. The bell curve's standard deviation provides information about its width.

The x-axis represents a variable's value, while the y-axis provides information about the likelihood that we will see that value.

I understand the question you are looking for is this:

In a bell-shaped curve, the x-axis (horizontal direction) of the graph represents which of the following?

a. The value of a particular characteristic; characteristics of an organism can include such traits as size and color.

b. The number of individuals

c. Time

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Answer:

68.2 Quadrillion meters

Explanation:

A lightyear is the distance that light travels in one year.

Speed of light is \(3*10^8\ m/s\)

So light covers 300,000,000 meters in one second.

One year has 31536000 seconds so , light covers

\(9.461*10^{15}\ meters\ in\ one\ year\)

so 7.2 light years is

\(7.2*(9.461*10^{15})\\6.82*10^{16}\)

so 7.2 light years is

6.82 x 10^(16) meters or

68.2 Quadrillion meters

Answer:

Nuclear power is presently a sustainable energy source, but could become completely renewable if the source of uranium changed from mined ore to seawater. Since U extracted is continuously replenished through geologic processes, nuclear would become as endless as solar.

a)  The net Work done is zero. b) The work done on the block by the applied force F as the block moves a distance L is -41.2 J. c) The work done on the block by the applied force F as the block moves a distance L is 41.2 J.

Given:

Weight of the block (w) = 25.0 N

Distance moved by the block (d) = 3.40 m

The angle of the inclined plane (θ) = 29.0°

a) we know that from the work-energy theorem,

W = change in kinetic energy

But since speed is constant which means no change in KE, hence the net Work done is zero.

b) W = -mgy

W = -25 × (3.10 × sin29°)

W = -41.2 J

Therefore, the work done on the block by the force of gravity is -41.2 J.

c) The work done on the block by the applied force F as the block moves a distance L = 3.10m up the incline is,

W = Fd

W = 12.1 × 3.1

W = 41.2 J

Therefore, the work done on the block by the applied force F as the block moves a distance L is 41.2 J.

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AWhich of the following would most likely cause a decrease in the quantity supplied? A decrease in price.

Answer:

moon lo

Explanation:

It is the most volcanically active world in the solar system.

Answer:

Vertebrate zoology

Explanation:

Have a great day!

Answer:

When you take the compass away from the bar magnet, it again points north. So, we can conclude that the north end of a compass is attracted to the south end of a magnet. ... In Experiment 2, when you move the north pole of a magnet toward the south pole of the other magnet, the two magnets attract.

Answer:

yay im proud keep going on bro

Answer:

this app is very helpfull