what is an example of an applied force?

1. a push or pull
2. friction
3. normal force
4. gravity

Answer:

(C)  all bodies

F = G M1 M2 / R^2     all bodies (M1 and M2)  are gravitationally connected

Answer:

Explanation:

The gravitational potential energy of a body can be found by using the formula

GPE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

From the question we have

GPE = 4000 × 9.8 × 20 = 784,000

We have the final answer as

Hope this helps you

The given question is not clear as it seems to be incomplete. However, based on the information provided, it appears that a 2.0 kg pendulum is swinging from point A. The height of point A is given as y.

To better understand the situation, let's break it down step by step:

A pendulum is a weight suspended from a fixed point and can swing back and forth.
In this case, we have a 2.0 kg pendulum, which means the weight of the pendulum is 2.0 kg.

Based on the information provided, we know that a 2.0 kg pendulum swings from point A, but further details are required to provide a more accurate answer.
The pendulum swings from point A, but it's not clear what point A represents. It could be the highest point of the swing or the starting position.
The height of point A is given as y, but the actual numerical value of y is missing.

Based on the information provided, we know that a 2.0 kg pendulum swings from point A, but further details are required to provide a more accurate answer.

To know more about pendulum visit:

brainly.com/question/29702798

#SPJ11

Answer:

Tom walked until he was 100 metres from his home. Then, he realised that he had dropped his homework, so he turned around and went 60 metres to pick it up again. He again turned back and started to walk faster to get to the bus stop on time. He got to the bus stop 100 seconds after leaving his home and waited for the bus.

Explanation:

Lamar's average velocity is 1 m/s

We know that,

Average Velocity = Total distance travelled / Total time taken

Given that,

Distance travelled west = 20 m

Distance travelled East = 20 m

Total time taken = 40 s

Total distance travelled = 20 + 20 = 40 m

Average Velocity = 40 / 40 = 1 m/s

Average velocity is total rate of change of displacement.

Therefore, Lamar's average velocity is 1 m/s

To know more about Average velocity

https://brainly.com/question/862972

#SPJ4

The document filed in juvenile court alleging that a juvenile is a delinquent is called a(n)Light C. petition.

A petition is the document that is filed in juvenile court alleging that a juvenile is a delinquent. It is a formal request to the court to hear the case and make a determination about the juvenile's behavior. Once the petition is filed, the court will schedule a hearing to determine whether the allegations are true and what consequences should be imposed on the juvenile if they are found to be delinquent.

A petition is the legal document filed in juvenile court that contains the allegations against the juvenile and initiates the court process. The other options provided do not relate to this specific document. A writ of certiorari is a court order for a lower court to send its records to a higher court for review. A disposition refers to the final decision or outcome in a case, and adjudication refers to the process of determining guilt or innocence.

To know more about Light visit:

https://brainly.com/question/30223248

#SPJ11

Answ

im so sorry i dont know the answer

His third law dictates that in disposition, for every action (force), there is an equal and opposing reaction.

Newton's laws of motion are three fundamental classical mechanics laws that describe the relationship between an object's motion and the forces acting on it.

These laws are summarized as follows: Unless acted upon by a force, a body remains at rest or in motion at a constant speed in a straight line.

His third law states that in nature, for every action (force), there is an equal and opposite reaction.

When object A applies a force to object B, object B applies an equal and opposite force to object A. In other words, forces are the result of interactions.

Thus, this is the third law of motion by Newton.

For more details regarding Newton's laws of motion, visit:

https://brainly.com/question/974124

#SPJ1

Answer:

If you are traveling with a relativity constant velocity, then you will interpret your reference frame as being at rest. Since you are moving faster than the other train, the other train is moving backwards relative to you. Seeing the other train go past your window from front to rear makes it look like the train is going backwards

Explanation:

Answer:

20

Explanation:

20m= 1 seconds

40m= 2 seconds

180÷9=20

The density of the wood block in kg/m³ to two significant digits when you are lost in the woods by a lake, is 407 kg/m³.

Here's how to determine the density of the wood:

Volume of the wood block = 10 cm x 10 cm x 10 cm= 1000 cm³

Density = Mass/Volume

Let the mass of the wood be m gm.

To convert m gm to kg, we divide by 1000 i.e m/1000 kg

Volume of wood block in m³ = 1000 cm³ / (100 x 100 x 100) = 0.001 m³

Density = mass / volume 1000 kg/m³ = m / 0.001m³ m = 0.001 m³ x 1000 kg/m³ = 1 kg

So, mass of the wood block is 1 kg

Density of wood = mass of the wood / volume of the wood= 1 kg / 0.00245 m³= 407 kg/m³ (approx).

Therefore, the density of the wood in kg/m³ is 407 kg/m³ to two significant digits.

To know more about density refer to:

https://brainly.com/question/13692379

#SPJ11

Answer:

see below

Explanation:

voltage = current * resistance

The  statements that I  think are true are:

Gravity can be described as the force by which a planet or other body draws objects toward its center however the force of gravity keeps all of the planets in orbit around the sun.

It should be noted that Gravity do depends on the material of the objects however the Gravity can not be regrded as force because it can't move objects but can be consdidered as the force because a force is a push or a pull, as it can be seen in hoiw the  moon has less gravity than the Earth because it has less mass than the Earth.

In conclusion, Gravity depends on the material of the objects and it should be noted that Gravity is a force because a force is a push or a pull.

Therefore, option A and C are correct.

Learn more about Gravity at:

https://brainly.com/question/557206

#SPJ1

The average force exerted on the bullet to accelerate it to a speed of 575 m/s in a time of 3.70 ms is 7,770.27 N.

To solve this problem, we can use the equation:
Force = (mass x acceleration)
We know the mass of the bullet is 0.0500 kg and the speed it needs to be accelerated to is 575 m/s. We can calculate the acceleration using the formula:
Acceleration = (final velocity - initial velocity) / time
Plugging in the values, we get:
Acceleration = (575 m/s - 0 m/s) / (3.70 x 10^-3 s) = 155,405.4 m/s^2
Now, we can plug in the mass and acceleration values into the force equation:
Force = (0.0500 kg) x (155,405.4 m/s^2) = 7,770.27 N
Therefore, the average force exerted on the bullet to accelerate it to a speed of 575 m/s in a time of 3.70 ms is 7,770.27 N.
This problem highlights the concept of acceleration and the forces involved in accelerating an object. Acceleration is defined as the rate at which an object changes its velocity over a period of time. In this case, the bullet is accelerated down the barrel of the gun by hot gases produced in the combustion of gunpowder. The force of the hot gases pushing on the base of the bullet causes it to accelerate. The magnitude of the force required to achieve a given acceleration is directly proportional to the mass of the object. Therefore, a larger mass requires a larger force to accelerate it to a given velocity. In this problem, the force required to accelerate the bullet to a speed of 575 m/s in a time of 3.70 ms is 7,770.27 N. This calculation helps us understand the forces involved in firing a gun and the importance of safety precautions when handling firearms.

To know more about force visit :

https://brainly.com/question/30507236

#SPJ11

An electromotive force (emf) can be induced in a circular loop of wire placed in a uniform and constant magnetic field through the process of magnetic induction.

When a circular loop of wire is placed in a uniform and constant magnetic field, the magnetic field lines intersect with the loop. According to Faraday's law of electromagnetic induction, a change in magnetic flux through a loop of wire induces an emf in the wire. The magnetic flux is the product of the magnetic field strength and the area enclosed by the loop.

As the loop moves or the magnetic field changes, the magnetic flux through the loop also changes. This change in flux induces an emf in the wire, leading to the generation of an electric current. The magnitude of the induced emf is directly proportional to the rate of change of magnetic flux. Therefore, if the magnetic field strength or the area of the loop changes, the induced emf will change accordingly.

To enhance the induced emf, factors such as the number of turns in the loop, the strength of the magnetic field, and the speed at which the loop moves through the field can be adjusted. This phenomenon of electromagnetic induction is the basis for various applications, including electric generators, transformers, and induction coils used in various electrical devices.

Know more about Electromotive Force (emf) here: https://brainly.com/question/13753346

#SPJ11

According to given information,the speed of the proton accelerated through a potential difference of (6.0×10³)V is approximately 1.07×10⁵ m/s.

The speed of a proton that has been accelerated from rest through a potential difference of (6.0×10³)V can be calculated using the formula:

speed = √(2qV / m)

where:
- speed is the velocity of the proton,
- q is the charge of the proton (1.6×10⁻¹⁹ C),
- V is the potential difference (6.0×10³ V),
- m is the mass of the proton (1.67×10⁻²⁷ kg).

Plugging in the given values into the formula, we get:

speed = √(2(1.6×10⁻¹⁹C)(6.0×10³ V) / 1.67×10⁻²⁷ kg)

Simplifying the equation further:

speed = √(1.92×10⁻¹⁹ J / 1.67×10⁻²⁷ kg)

Next, we divide the numerator by the denominator to obtain the final value:

speed = √(1.15×10¹¹ m²/s²)

Therefore, the speed of the proton is approximately 1.07×10⁵ m/s.

Conclusion, The speed of the proton accelerated through a potential difference of (6.0×10³)V is approximately 1.07×10⁵ m/s.

To know more about potential difference visit:

https://brainly.com/question/23716417

#SPJ11

        When acceleration is constant, we may connect displacement to time and velocity, two of the other three parameters that describe motion, using the following three equations: d = ( 1 2 ) ( 1 2 ) (v f + v I (t) (Equation 1) D = v I t + a t + 1 2 (Equation 2) V I 2 + 2 a d = v f 2 (Equation 3).

         Displacement is directly proportional to the square of the length of the linear motion when acceleration is constant and beginning velocity is zero.

Solution:-

vi =+245km/h

aavg = -3.0m/s2

vf =vi -(0.200)vi

vi =(245km/h)(1h/3600s)(103m/1km)= +68.1m/s

vf =(1.000-0.200)vi =(0.800)(68.1m/s)=+54.5m/s

Δt=vf -vi /aavg

 = 54.5m/s - 68.1m/s / -3.0m/s2

 =-13.6m/s /-3.0 m/s2

 =  4.5s

To Learn more About  acceleration, Refer:

https://brainly.com/question/460763

#SPJ4

Answer:

So we have a measure in grams, we can start with something like:

143.523 grams.

Now we want this measurement to be precise to the nearest tenth of a gram.

The nearest tenth of a gram is the first digit after the decimal point, then the digits that come after this are not useful, because they are outside our precision range.

Then we must write our measurement as:

143.5 grams

Where the digit that came after the 5 was a 2, so we rounded down.

The power of the contact lenses that will enable the nearsighted physicist to see very distant objects clearly is -1.11 diopters.

To calculate the power of the lens, we use the formula:

Power = 1/focal length

The focal length is the distance at which the physicist can see things clearly, which is 90 cm or 0.9 m.

Plugging this into the formula, we get:

Power = 1/0.9 = 1.11 diopters

However, since the physicist is nearsighted, the power of the lens should be negative. Therefore, the power of the contact lenses is -1.11 diopters.

In summary, a contact lens with a power of -1.11 diopters will enable the nearsighted physicist to see very distant objects clearly.

To know more about contact lenses refer here:

https://brainly.com/question/10921004#

#SPJ11

Answer: 5 joules

Explanation:

mass=m=2.5kg

Velocity=v=2m/s

Kinetic energy=ke

ke=(m x v x v)/2

ke=(2.5 x 2 x 2)/2

Ke=10/2

Ke=5

Kinetic energy=5 joules

The kinetic energy of a 2.5 kg remote-controlled car that is moving at 2 m/s is 5 Joules.

The energy which an item has as a function of motion is determined by the initial energy. It is described as the effort required to propel a material body from rest to the given velocity.

It is given that:

Mass of the remote-controlled car = 2.5 kg

Velocity of the car = 2 m/s

As we know,

Kinetic energy = k

k = (mv²)/2

As we know,

The mass is a tangible body's mass is the amount of matter it possesses. It's also a metric of inertia or the resistance to velocity when a net force is exerted.

m = 2.5 kg

v = 2 m/s

k = (2.5×2²)/2

k = 10/2

k = 5 Joules

Thus, the kinetic energy of a 2.5 kg remote-controlled car that is moving at 2 m/s is 5 Joules.

Learn more about kinetic energy here:

https://brainly.com/question/12669551

#SPJ6

Answer:

Usually a stopwatch is used to measure the time interval of each second. ... The amount of ticks 1 second and the amount of subdivision are adjusted so that the least count of the watch is 0.2 s or 0.1 s. A stop watch is a more sensitive device than a stop clock.

The magnitude of the net magnetic field at the point is  9.82 *10^-6 T. and The magnitude of the net magnetic field at a point 1.1m to the side of one wire and 3.3m from the other wire is 3.273 * 10^-6 T.

A) at the midpoint,

d = 2.2/2  = 1.1 m

Now, due to a wire

B = u0*I/(2pi*d)

Here,

B = 2*u0*27/(2*pi*1.1)

B = 9.82 *10^-6 T

the field at the midpoint  is 9.82 *10^-6 T

B) Here,

B = u0*I*(1/d1  - 1/d2)/2pi

B = u0*27*(-1/3.3 + 1/1.1)/2pi

B = 2.67 * 10^-6 T

the field at this point is 3.273 * 10^-6 T

Current is the flow of electric charge through a conductor or material. It is defined as the rate of flow of electric charge, measured in units of amperes (A). One ampere is equivalent to the flow of one coulomb of electric charge per second.

Electric current is caused by the movement of charged particles, typically electrons, in a circuit. When a voltage is applied to a conductor, it creates an electric field that causes electrons to move through the conductor. This flow of electrons constitutes an electric current.

The direction of electric current is defined as the direction of flow of positive charges, even though the actual charges that move are electrons, which are negatively charged. Electric current can be direct current (DC), where the flow of charge is in one direction, or alternating current (AC), where the direction of flow periodically changes.

To learn more about Current visit here:

brainly.com/question/23323183

#SPJ4

Complete Question:

Two long, parallel wires are separated by 2.2m. Each wire has a 27-A current, but the currents are in opposite directions.

A. Determine the magnitude of the net magnetic field midway between the wires.

B. Determine the magnitude of the net magnetic field at a point 1.1m to the side of one wire and 3.3m from the other wire. The point is in the same plane as the wires.

Answer:

I thinl it is I'm not sure though

Answer:

Imma say false

Explanation:

Just my opinion

Answer:

False:  v = λ f   where λ is the wavelength and f the frequency

Shorter wavelength waves travel at the same speed in water as do longer wavelength waves - they have a difference frequecy

The equation v = λf shows that the speed of a wave (v) is directly proportional to its frequency (f).

A higher frequency wave will have a higher speed than a lower frequency wave.

This can be explained by the fact that waves with higher frequencies have shorter wavelengths, and therefore the crests and troughs of the wave are closer together, allowing the wave to travel faster.

The equation v = λf shows that the speed of a wave (v) is directly proportional to its frequency (f).

Hence, the speed of a wave is dependent on its frequency, as shown by the equation v = λf.

learn more about equations click here:

https://brainly.com/question/2972832

#SPJ11

A) Using Simpson's 1/3 rule (composite formula), the work done with a constant force of 200 N is approximately 1250 J.

B) Using the MATLAB function trapz, the work done is approximately 7750 J.

Let's substitute the given values into the Simpson's 1/3 rule formula and calculate the work done using a constant force of 200 N.

A) Force (F) = 200 N (constant for all t)

Velocity (v) = 4t (0 ≤ t ≤ 5) and v = 20 + (5 - t)² (5 ≤ t ≤ 15)

Step size (h) = 0.25

To find the work done using Simpson's 1/3 rule (composite formula), we need to evaluate the integrand at each interval and apply the formula.

Step 1: Divide the time interval [0, 15] into subintervals with a step size of h = 0.25, resulting in 61 equally spaced points: t0, t1, t2, ..., t60.

Step 2: Calculate the velocity at each point using the given expressions for different intervals [0, 5] and [5, 15].

For 0 ≤ t ≤ 5: v = 4t For 5 ≤ t ≤ 15: v = 20 + (5 - t)²

Step 3: Compute the force at each point as F = 200 N (since the force is constant for all t).

Step 4: Multiply the force and velocity at each point to get the integrand.

For 0 ≤ t ≤ 5: F * v = 200 * (4t) For 5 ≤ t ≤ 15: F * v = 200 * [20 + (5 - t)²]

Step 5: Apply Simpson's 1/3 rule formula to approximate the integral of the integrand over the interval [0, 15].

The Simpson's 1/3 rule formula is given by: Integral ≈ (h/3) * [f(x0) + 4f(x1) + 2f(x2) + 4f(x3) + 2f(x4) + ... + 4f(xn-1) + f(xn)]

Here, h = 0.25, and n = 60 (since we have 61 equally spaced points, starting from 0).

Step 6: Multiply the result by the step size h to get the work done.

Work done: 1250 J

B) % Define the time intervals and step size

t = 0:0.25:15;

% Calculate the velocity based on the given expressions

v = zeros(size(t));

v(t <= 5) = 4 * t(t <= 5);

v(t >= 5) = 20 + (5 - t(t >= 5)).^2;

% Define the force value

F = 200;

% Calculate the work done using MATLAB's trapz function

\(work_t_r_a_p_z\) = trapz(t, F * v) * 0.25;

% Display the result

disp(['Work done using MATLAB''s trapz function: ' num2str(\(work_t_r_a_p_z\)) ' J']);

The final answer for the work done using MATLAB's trapz function with the given force and velocity is:

Work done using MATLAB's trapz function: 7750 J

For more such information on: force

https://brainly.com/question/12785175

#SPJ8

Motion means movement, the laws of Physics state  there are mainly 4 types of motion, i.e.

Rotary Motion:  It is the type of motion which deals with rotation of body, it is a special type of motion in which the object is on rotation around a fixed axis like, a figure skater rotating on an ice rink.

Oscillatory Motion:It is a repeating motion in which an object continuously repeats in the same motion again and again like a swing.

Linear Motion: It is  a one-dimensional motion on a straight line, like an athlete running on a straight track.

Reciprocating Motions: A repetitive and continuous up and down or back and forth motion like a needle in a sewing machine

There are also different other types of motion as per directions or as per state of motion.

Types of motion as per state

Uniform Motion

Non-Uniform Motion

Types of motion as per direction

One Dimensional Motion

Two Dimensional Motion

Three Dimensional Motion

If your car gets 37.4 miles per gallon, it is approximately equivalent to 15.89 kilometers per liter.

To convert miles per gallon (mpg) to kilometers per liter (km/L), we can use the conversion factors of 1 mile ≈ 1.60934 kilometers and 1 gallon ≈ 3.78541 liters.

Given that the car gets 37.4 miles per gallon, we can calculate the equivalent in kilometers per liter.

First, we convert miles to kilometers by multiplying 37.4 mpg by 1.60934 km/mile, which gives us approximately 60.07 km/gallon.

Next, we convert gallons to liters by dividing 60.07 km/gallon by 3.78541 L/gallon, resulting in approximately 15.89 km/L.

Learn more about miles per gallon here:

https://brainly.com/question/30525562

#SPJ11