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The displacement of the mouse is 5m and the total distance is 9m.

The given parameters;

initial displacement of the mouse = 5 m north

second displacement = 1 m South

third displacement = 3 m west

To find:

Displacement is the change in the final position and the initial position of an object.

Distance is the total path covered by the object.

When the mouse was at 1 m south, the displacement = 5 m - 1m = 4m

The displacement of the mouse between 4m south and 3m west is calculated by using Pythagoras theorem.

[tex](displacement)^2 = 3^2 + 4^2\\\\(displacement)^2 = 25\\\\displacement = \sqrt{25} \\\\displacement = 5 \ m[/tex]

The total distance of the mouse = 5 m + 1m + 3m = 9m

Thus, the displacement of the mouse is 5m and the total distance is 9m.

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Answer:

1.38 s

Explanation:

Use the free falling formula

T = √(L)/ g

T = √18.75/9.8

T = 1.38 s

On a velocity - time graph, if the line crosses the x - axis it depicts that the object has started moving in the opposite direction.

[tex] \large \mathfrak{Answer : }[/tex]

The Correct option is D. mobile point-of- sale device.

The digital payment system that enables sellers to accept payment at trade shows, food trucks, concerts, or farm stalls is called a mobile point-of-sale device. Thus, the correct option for this question is D.

The advantages of a digital payment system are as follows:

The mobile point-of-sale device (mPOS) is cost-effective. It involves the breaking down of monthly maintenance and payments on the basis of a cloud-based subscription. It authorizes the sellers to accept the payment at trade. It is one of the fastest modes of payment.

Therefore, a mobile point-of-sale device is a digital payment system that enables sellers to accept payment at trade shows, food trucks, concerts, or farm stalls. Thus, the correct option for this question is D.

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Answer:

human body is answer according to our studies

Answer:

2.2

Explanation:

It then pauses before flying with an average velocity of 6.8 m/s east for 3.5 s to another branch.

Answer:

9 m/s

Explanation:

The seagull flew at a constant velocity for a total of 32 seconds.

One-quarter of 32 is:

[tex]\implies \dfrac{1}{4} \times 32=\dfrac{32}{4}=8\; \sf seconds[/tex]

Therefore, if the seagull flew 72 meters in one-quarter of 32 seconds, it flew 72 meters in 8 seconds.

[tex]\boxed{\sf Speed=\dfrac{Distance}{Time}}[/tex]

To find the velocity (speed) of the seagull, substitute the distance and time into the formula:

[tex]\implies \sf Velocity=\dfrac{72}{8}=9\; \sf m/s[/tex]

the nature of a machine having more power can work fast

Answer:

34

Explanation:

Answer:

Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. When waves travel from one medium to another the frequency never changes. As waves travel into the denser medium, they slow down and wavelength decreases.

Answer:

When waves travel from one medium to another the frequency never changes.

Explanation:

As waves travel into the denser medium, they slow down and wavelength decreases. Part of the wave travels faster for longer causing the wave to turn. The wave is slower but the wavelength is shorter meaning frequency remains the same.

Answer: I didn't see a difference because the large ball's vertical displacement and velocity are the same as the small one's.

Explanation:

Answer:

Acceleration

Explanation:

Let me teach u a trick, most teachers loves to tell students to memorize what the slope means, and what does the area below the graph mean, and i think this is bs

So how u do it is this

Now it is a velocity vs time

Now to find the slope u would take

Velocity / time

Now what is the unit for velocity? m/s

What is the unit for time? s

Therefore since u know to find the slope u use

Velocity divide by time

So just take the unit of velocity divide the unit of time and see what unit u get

m/s ÷s

m/s x 1/s

= m/s^2

What unit is this?

This is the unit for acceleration

This trick works for every graph u see, and let me show u an extra bonus one

Now u are velocity vs time graph

Now if they ask u what does the area below graph means?

So u know area is just height x length, in other words y axis × x axis

So it means velocity x time

Therefore what would u get? Same trick

m/s x s

= m

What is m? m is meter, and this stands for displacement

Answer:

plastic

Explanation:

because it is an insulator that it is a poor conductor of electricity.

There is no flow of electricity in the plastic, so the plastic has greater resistance.

A substance's ability to obstruct the flow of electrical current is referred to as resistance. It is symbolized by the capital letter R. The ohm, frequently written as a word and sometimes represented by the capital Greek letter omega, is the unit of resistance that is typically used.

A component's resistance is one ohm when a one-volt potential difference (voltage) is present. The current in a direct-current (DC) electrical circuit is inversely proportional to the resistance, while the supplied voltage is held constant. The current is cut in half when the resistance is doubled; when the resistance is cut in half, the current is increased by double.

Thus, plastic has greater resistance.

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Answer:

459.195 (N).

Explanation:

in order to calculate the required value of the Fₓ:

Fₓ=F*cos(37°); Fₓ=575*0.7986≈459.195 (N).

For more info see the attachment (note, the required force Fₓ is marked with red colour).

Answer:

The charge of an atom is the number of protons minus the number of electrons.

Explanation:

Answer:

Explanation:

V=k*q/r

V= (9*10⁹) * 5*10⁷/2

V = 9*10⁹ * 25*10⁶

V = 225*10¹⁵

Answer:

b=t-p(m-n)/s

Explanation:

Answer:

Explanation:

A blunt needle won't get the job done as it won't pass through the fabric well

Answer: Dog's speed = (20 + 35) /12 = 4.583 m/s

Dog's velocity = (20-35)/12 = -1.25 m/s

Explanation: Speed is a scalar quantity so we don't care about direction which means we add the magnitude of both the directions i.e. east and west.

About the velocity, it's a vector quantity. So, we must be very careful with the directions and signs. In cartesian coordinates system, we generally take the right side of origin as the positive x-axis and the left side of origin as the negative x-axis. So, considering the same fact, we consider east as positive side and west as the negative side.

Therefore, when we add 20m + (-35m), we get = -15m and you already have the time period of  12 s.

Answer:

Frequency = 100 Hz

Time period = 0.01 sec

Explanation:

f= 3500/35 = 100

T = 1/f = .01

We have that The acceleration due to gravity on the Moon And

The acceleration due to gravity on the surface of the Earth is approximately

[tex]1.625 m/s^2[/tex]

[tex]9.81 m/s^2,[/tex]

From the Question we are asked

The value of G on earth and moon?

Where G refers to The acceleration due to gravity

Generally

The acceleration due to gravity on the Moon is approximately

[tex]1.625 m/s^2,[/tex]

And

The acceleration due to gravity on the surface of the Moon is approximately

[tex]9.81 m/s^2,[/tex]

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For the student that walks to the right 25 m in 15 s and then turns and walks to the left 15 m in 8.0 s, we have:

1. The average speed is 1.74 m.

2. The average velocity is 1.42 m.

1. The average speed is an scalar wich is given by:

[tex] V = \frac{d_{t}}{t_{t}} [/tex]

Where:

[tex]d_{t}[/tex]: is the total distance

[tex]t_{t}[/tex]: is the total time

The total distance and the total time can be calculated as follows:

[tex]d_{t} = d_{1} + d_{2} = 25 m + 15 m = 40 m [/tex]

[tex] t_{t} = t_{1} + t_{2} = 15 s + 8.0 s = 23 s [/tex]

Since V is a scalar, the direction of motion is not important to calculate the final value.

Then, the average speed is:

[tex] V = \frac{d_{t}}{t_{t}} =\frac{40 m}{23 s} = 1.74 m/s [/tex]

2. The average velocity is a vector, so the direction of motion is important here. This ΔV can be calculated with the following equation:

[tex] \Delta V = \frac{\Delta x}{\Delta t} = \frac{x_{f} - x_{i}}{t_{f} - t_{i}} [/tex]

Where:

x: is the displacement  

f: is for final and i: is for initial

Hence, the average velocity is:

[tex] \Delta V = \frac{x_{f} - x_{i}}{t_{f} - t_{i}} = \frac{15 m - 25 m}{8.0 s - 15 s} = 1.42 m/s [/tex]

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I hope it helps you!

Answer:

A hot air balloon

Answer:

The coil spring of a wind-up clock.

An archer's stretched bow.

Explanation:

Explanation:

The branch is possessing gravitational potential energy.

Answer:

2 repel attracts light water

Answer:

A magnet has two poles.

Like poles repel each other and unlike poles attract

An electromagnet is used to separate large masses of iron scrap.

The strength of the magnetic field of an electromagnet is increased by inserting a core of soft iron.

In a torch we use a dry cell as the source of electricity.

To light a table lamp and to run a refrigerator, we use mains as the source of electricity.

A group of two or more cells is called a battery.

Conductors pass electricity through them.

i dont know for real

Conversion of mass from grams into kg :