A woman pushes a lawnmower forward with a constant force of 125 N and an angle of 33∘ as she cuts the prass in her yard If the yard is 5.0 m by 24 m and her mower is 0.50 m wide, calculate the amount of work done when the lawn is completely mowed.

Answer:

the answer is 12.0

The wavelength of the water wave is 0.75 meters.

Wavelength is the distance between successive peaks or troughs of a wave. It is denoted by the symbol λ (lambda) and is measured in meters (m) or other units of length.

The wavelength of a wave determines its properties such as its energy, frequency, and speed. In general, waves with longer wavelengths have lower frequencies and travel at slower speeds, while waves with shorter wavelengths have higher frequencies and travel at faster speeds.

Here in the Question,

The relationship between the wavelength (λ), frequency (f), and wave speed (v) of a wave is given by the equation:

v = λf

We are given the speed of the water wave (v) as 3.0 m/s and the frequency (f) as 4.0 Hz.

Plugging these values into the equation, we get:

3.0 m/s = λ x 4.0 Hz

Rearranging the equation to solve for the wavelength, we get:

λ = v/f = 3.0 m/s ÷ 4.0 Hz = 0.75 m

λ   = 0.75 m

Therefore, the wavelength of the water wave is 0.75 meters.

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If a rocket takes off from Earth with a certain force, there are several things that must be true about Earth to make this possible.

Firstly, Earth must have a gravitational field that attracts the rocket toward its center. This gravitational force pulls the rocket toward the ground, and the rocket must overcome it with a force greater than the force of gravity in order to take off.

Secondly, Earth's atmosphere must be present, as the rocket needs to push against the air molecules to create thrust and lift off the ground. Thirdly, Earth's surface must be firm enough to support the launch of the rocket, with a strong and stable launchpad to prevent any accidents.

Fourthly, Earth's rotational speed and position in its orbit around the Sun must also be taken into account, as this affects the required trajectory of the rocket for a successful launch. Overall, a combination of Earth's gravitational force, atmosphere, surface conditions, and position in its orbit all play a crucial role in enabling a rocket to take off from Earth.

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Answer: I believe it’s location D. Or whichever is the location of slow crystallization.

Explanation: Slow crystallization of magma forms granite. Hope this helps. :)

Answer:

D

Explanation:

Answer:

He did not find out any other force

Explanation:

Maybe the answer is that newton found out that the same force causes the earth rotating around the sun.

The first two steps for finding the magnitude of the resultant vector is find the sum of the two horizontal vectors and the sum of the two vertical vectors.

The resultant of two vectors is determined from Pythagoras theorem is as shown below.

R² = a² + b²

Thus, the first two steps for finding the magnitude of the resultant vector is find the sum of the two horizontal vectors and the sum of the two vertical vectors.

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Answer:

b i think

Explanation:

Answer  

The  answer would be B because the truck has more mass than the car therefore it would take longer for it to stop and that is momentum.

Explanation:

In conclusion, when your rear wheels start to skid, you should promptly turn the steering wheel in the direction of the skid to regain control of the vehicle. Remember to remain calm, identify the type of skid, and adjust your steering as necessary. Practice and familiarity with this technique can help ensure your safety on the road.

When your rear wheels start to skid, it's crucial to respond quickly and turn in the direction of the skid. This action is known as "countersteering." By turning the steering wheel in the same direction as the skid, you help regain control of the vehicle.
1. Stay calm: Skidding can be unnerving, but it's important to remain composed and focused.
2. Identify the skid: Determine if the skid is caused by oversteering (rear wheels sliding out) or understeering (front wheels losing grip).
3. React promptly: As soon as you realize your rear wheels are skidding, immediately turn the steering wheel in the direction of the skid. For instance, if the rear of the car is sliding to the right, gently turn the steering wheel to the right.
4. Adjust as necessary: Once the rear wheels regain traction, gradually steer in the desired direction to regain control.
In conclusion, when your rear wheels start to skid, you should promptly turn the steering wheel in the direction of the skid to regain control of the vehicle. Remember to remain calm, identify the type of skid, and adjust your steering as necessary. Practice and familiarity with this technique can help ensure your safety on the road.

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Answer:

hola me llamo bruno y tu?

Explanation:

pero yo soy de mexico

Answer:

BOOM

Explanation:

Astronauts perform many tasks as they orbit Earth. The space station is designed to be a permanent orbiting research facility. Its major purpose is to perform world-class science and research that only a microgravity environment can provide. The station crew spends their day working on science experiments that require their input, as well as monitoring those that are controlled from the ground. They also take part in medical experiments to determine how well their bodies are adjusting to living in microgravity for long periods of time.

Working on the space station also means ensuring the maintenance and health of the orbiting platform. Crew members are constantly checking support systems and cleaning filters, updating computer equipment: doing many of the things homeowners must do to ensure their largest investment stays in good shape. Similarly, the Mission Control Center constantly monitors the space station and sends messages each day through voice or email with new instructions or plans to assist the crew members in their daily routines.

Answer:

I'll be utilizing this section from the end to help me with Newton's law: "The acceleration of an item depends on the mass of the object and the amount of force applied." I believe that duties like as resting, fixing objects outside and within the ship, and just enabling them to stay grounded would benefit greatly from modifications. I believe that extremely powerful suction would be required to keep the astronauts grounded. For ease of access, the portions would be placed on both the feet and the hand.

Explanation:

Answer:

He never broke the inertia law but Harry potter did break a ton of school rules some could've gotten him expelled too.

Explanation:

Answer:

he never broke law of inertia in this one but he did in a few of the others

Explanation:

Hope this helps

Answer:

The runner's acceleration was \(1\ m/s^2\)

Explanation:

Constant Acceleration Motion

It's a type of motion in which the velocity of an object changes by an equal amount in every equal period of time.

Being a the constant acceleration, vo the initial speed, vf the final speed, and t the time, the following relation applies:

\(v_f=v_o+at\)

Solving for a:

\(\displaystyle a=\frac{v_f-v_o}{t}\)

The runner speeds up from vo=5 m/s to vf=9 m/s in t=4 seconds, thus:

\(\displaystyle a=\frac{9-5}{4}\)

\(\displaystyle a=\frac{4}{4}=1\)

The runner's acceleration was \(1\ m/s^2\)

Answer:

10m

Explanation:

time is at the end of the 10 yea

Explanation:

The velocity of the wave is:

v = (9.0π rad/s) / (0.1π / cm)

v = 90 cm/s

v = 0.9 m/s

Velocity of a standing wave on a stretched string is:

v = √(T / (m/L))

0.9 m/s = √(0.081 N / (M / 2.0 m))

0.81 m²/s² = 0.081 N / (M / 2.0 m)

M / 2.0 m = 0.1 kg/m

M = 0.2 kg

Answer:

Explanation:

What you forgot to include is the mass of the earth, which is 5.98 × 10²⁴ kg. NOW we can do the problem:

\(F=\frac{Gm_1m_2}{r^2}\) where m1 and m2 are the masses of the objects experiencing this force of gravity, F. G is the universal gravitational constant. Filling in:

\(2.00*10^{20}=\frac{(6.67*10^{-11})(7.34*10^{22})(5.98*10^{24})}{r^2}\)

We are going to rearrange and solve for r before we do any math on this thing:

\(r=\sqrt{\frac{(6.67*10^{-11})(7.34*10^{22})(5.98*10^{24})}{2.00*10^{20}} }\) and when we plug all that mess into our calculators we will do it just like that and then round to 3 significant digits at the very end.

Doing all of that gives us that

r = 3.83 × 10⁸ m

F = G.m₁m₂/r²

r² = G.m₁m₂/F

r² = (6.67 x 10⁻¹¹ x 70 x 50) / (5.8 x 10⁻¹¹)

r² = 4025

r = 63.44 m

Answer:

The tension in the cable is approximately 1440.0 N

Explanation:

The length of the beam = 8 m

The weight of the beam = 200 N

The angle made by the beam support cable = 53°

The weight of the person = 600 N

The position where the person stands = 2 m

The forces acting are the weight of the cable acting at the center of the beam and the weight of the person acting at 2 m from the wall

Therefore, we have;

Sum of moments = 0, which gives;

2000 × 4 + 2 × 600 - 8 × \(T_y\) = 0

2000 × 4 + 2 × 600  = 8 × \(T_y\)

\(T_y\) = 9200/8 = 1150 N

The tension in the cable, T = The component of the force in the cable

The vertical component of the tension  \(T_y\) = T×sin(53)

Therefore;

T =  \(T_y\)/(sin(53)) = 1150/(sin(53 degrees)) = 1439.96 ≈ 1440 N

The tension in the cable, T is approximately 1440 N.

Answer:

Outside the edges of the solar system.

That's not a simple question, and it doesn't have a simple answer.

The two Voyager spacecraft have been flying for about 43 years now.

They left the "heliosphere" about 2 years ago (in November 2018), and are now about 10.9 billion miles from Earth.

Mission controllers can still communicate with them, but it takes radio signals almost 17 hours to reach either one of the spacecraft from Earth.

(And another 17 hours if it has anything to answer back.  That's a day and a half to do a "How are you ?" . . . . . "I'm OK.".)

But wait !  

The boundary of the solar system is considered to be beyond the outer edge of the "Oort Cloud", a collection of small objects that are still under the influence of the Sun's gravity. The thickness of the Oort Cloud is not exactly known, but it's estimated to begin at about 93 billion miles from the Sun, and to extend maybe as far as 9,300 billion miles from the sun.  It will take about 300 years for Voyager 2 to reach the inner edge of the Oort Cloud and possibly 30,000 years to fly beyond it.

So even though the Voyager spacecraft are the farthest man-made objects away from Earth, and have been sailing along for 43 years, neither of them is anywhere near leaving the solar system yet.

Yes, we've sent artificial probes past the Sun, the Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, several asteroids, several comets, and past the Kuiper belt, we're still thousands of years from leaving the solar system, and millions of years from reaching the next nearest star ... even if the Voyagers don't get pulverized into dust by meteoroids and radiation before they get there.

Answer: The width of bands will be 2λ

Explanation: Please see the attachments below

The time taken for temperature to fall from  45°C to 35°C is 6.21 minutes when a liquid cools from 65°C to 55°C in 5 mins.

We can utilize Newton's Law of Cooling to tackle this issue. It expresses that the pace of progress of temperature of an article is corresponding to the distinction in temperature between the item and its environmental elements.

Utilizing this regulation, we can compose:

(dT/dt) = - k(T - Ts)

where dT/dt is the pace of progress of temperature, k is the cooling steady, T is the temperature of the fluid, and Ts is the temperature of the environmental elements.

To begin with, how about we track down the cooling steady. From the given data, we know that the fluid cools from 65°C to 55°C in 5 mins. Subsequently, we can compose:

-10 = - k(65 - 35)

k = 0.5

Presently, we can utilize this worth of k to make the opportunity taken for temperature to decrease from 45°C to 35°C. We want to tackle:

(dT/dt) = - 0.5(T - 35)

with introductory condition T(0) = 45.

Isolating factors and coordinating the two sides, we get:

ln|T - 35| = - 0.5t + C

Utilizing the underlying condition T(0) = 45, we get:

ln|10| = C

C = 2.303

Subbing this worth of C, we get:

ln|T - 35| = - 0.5t + 2.303

Taking dramatic on the two sides, we get:

|T - 35| = e^(- 0.5t+2.303)

Settling for T = 35°C, we get:

t = 6.21 minutes.

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The complete question is:

A liquid cools from 65°C to 55°C in 5 mins. If the surrounding temperature is 35℃, calculate the time taken for temperature to fall from 45°C to 35°C.

The minimum time required to change the current through the inductor is approximately 0.0011 seconds.

To determine the minimum time required for changing the current through the inductor, we can use the formula:

t = (ΔI × L) / ΔV

Where:

Given:

Substituting the values into the formula:

t = (2A × 0.2H) / 350V

Calculating:

t = (0.4H) / 350V

t ≈ 0.00114 seconds

Rounding to two significant figures:

t ≈ 0.0011 seconds

Therefore, the minimum time required to change the current through the inductor is approximately 0.0011 seconds.

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Answer:

(C)  all bodies

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

NOT an event horizon is its binary counterpart, which transports matter to it.

To refer to the item or person that is the target of an action, we typically use the word "object." Alternatively, the recipient. In a sentence, a verb's action is transferred to a noun or pronoun as a direct object. It typically responds to the what- or whom-questions regarding the verb.

Icons, cursors, buttons, sprites, and other complicated artworks can be made from a collection of simple visual pieces called image objects. Without having to sketch a single pixel, Image Objects let you express creativity.

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Answer: i think its a bullfrog forgive me if im wrong i dont exactly know

Explanation:

Answer:

that is an African bullfrog

Answer:

Reflection involves a change in direction of waves when they bounce off a barrier. Refraction of waves involves a change in the direction of waves as they pass from one medium to another.

Explanation:

The tension in the cable B is 231 N

What do you mean by tension?

Tension can be defined as a force along the length of a medium, especially a force carried by a flexible medium, such as a rope or cable. It can be defined as an action-reaction pair of forces acting at each end of the said elements.

From the above figure ,

Ta sin30 = w / sin30

Ta = 750N / sin 30

Ta = 1500 N

In the same way

Tb - Tacos30

(1500N)cos30

231N

Hence, The tension in the cable B is 231 N

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a. The angular speed of the rotating nylon line is 314.16 radians per minute.

b. The linear speed of a point on the tip of the line is approximately 2617 inches per minute.

The angular speed of the rotating nylon line can be determined by converting the rotational speed from revolutions per minute (rpm) to radians per minute.

Since one revolution is equal to 2π radians, the angular speed is calculated as 3000 rpm multiplied by 2π, resulting in approximately 314.16 radians per minute.

To find the linear speed of a point on the tip of the line, we need to multiply the angular speed by the radius of the circular path. Given that the line is 5 inches long, the radius is half of that, or 2.5 inches.

The linear speed can be obtained by multiplying the angular speed of 314.16 radians per minute by the radius of 2.5 inches, resulting in approximately 785.4 inches per minute.

Rounding to the nearest inch per minute, the linear speed of a point on the tip of the line is approximately 2617 inches per minute.

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Answer:

When conducting electricity, the electrons inside the material move from a higher potential to a lower potential. The conductance of a component can also be defined as the current generated per unit voltage difference. The conductance is a property of the object whereas electrical conductivity is a property of the material.

Explanation:

Answer:

The chemistries and technologies behind coin cells vary. Some are alkaline, others are lithium. Alkaline coin cell batteries have a nominal voltage of 1.5V. Lithium coin cell batteries, on the other hand, have a nominal voltage of 3V.