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A driver isn't paying enough attention while he texts and drives, colliding with the parked car in front of him and transferring all of his cars moving force into it.


Which of these does this display? Newton's 1st law, Newton's 2nd law, Newton's 3rd law, Law of Conservation of Momentum, or The Law of Universal Gravitation

Answer:

Ya I guess so lol. (The upcoming and this sentence is pre-written and copy and pasted in every brainly question or comment I write or answer.) If this answer helped you please consider giving it brainliest. If my answer was wrong and you got marked wrong for it, I deeply apologize and hope you will forgive me, since everyone makes mistakes sometimes. If you need me to elaborate on my answer or give further explanation on it, please ask and I will do so. If you need to explain your reasoning on your work feel free to use my words- word for word- without crediting me, the answer was made for you anyways! Hope yall learn from my answer and it helps you in the future with assignments, quizzes, test’s, and more!

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Answer:

Longer legs

Explanation:

I took the test

Along with your family, plan nutritious meals, or establish a weekly healthy potluck at work. I don't enjoy exercising. Discard the outdated idea that exercising involves weightlifting at a gym.

The six fundamental lifestyle habits for a long, good health include sleeping enough, eating a good food, exercising, keeping a healthy weight, quitting smoking, and drinking in moderation.

Walking, cycling, skating, sports, active recreation, and play are all common methods to be active that anyone may do for fun and at any ability level. It has been demonstrated that regular exercise helps control and prevent noncommunicable diseases like diabetes, heart disease, stroke, and a number of malignancies.

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Answer:

c.

Explanation:

The buoyant force on an object is equal to the weight of the fluid it is displacing, according to Archimedes' principle.

The pressure gradient from the top to the bottom of a submerged object causes the buoyant force to act upward on it. The variation of the vertical distance or the depth within a liquid affects the pressure therein.

The weight of the fluid that the submerged object has displaced determines the buoyant force acting on it. There is a situation where an object's buoyant force and weight don't match.

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Explanation:

here's the answer, shouldn't be too hard to get the rest now!

4. f

5. t

6. t

7. t

8. f

9. t

10. f

Answer:

1,732

Explanation:

The distance between two successive troughs or crests is known as the wavelength. The wavelength of the light will be 1000 nm.

How do you define wavelength?

The distance between two successive troughs or crests is known as the wavelength. The peak of the wave is the highest point, while the trough is the lowest.

The wavelength is also defined as the distance between two locations in a wave that have the same oscillation phase.

Diffraction angle= 30⁰

Diffraction grating per mm= 250

wavelength = ?

Mathematically the equation of bright band is given by

\(\rm \lambda= \frac{sin\theta}{nN}\)

\(\rm \lambda= \frac{sin23^0}{250\times 2}\)

\(\rm \lambda= 0.000001\) m

\(\rm \lambda= 1000 nm\)

Hence the wavelength of the light will be 1000 nm.

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A fish in a spherical goldfish bowl appears larger than it really is due to the phenomenon of refraction, which occurs when light travels from one medium (such as air) to another medium (such as water) and changes direction.  

When light passes through the curved surface of a spherical goldfish bowl, it undergoes refraction. Refraction is the bending of light as it transitions from one medium to another with a different refractive index. The refractive index of water is higher than that of air.

As light enters the spherical goldfish bowl, it slows down and changes direction due to the increased refractive index of the water compared to the air. This change in direction causes the light rays to bend towards the normal (an imaginary line perpendicular to the surface). When the light rays exit the water and enter the air again, they undergo another change in direction.

The refraction of light at both the entrance and exit points of the spherical goldfish bowl creates an optical effect that makes the fish appear larger. The bending of light causes the rays to converge, making the fish's image appear magnified and closer to the observer.

A fish in a spherical goldfish bowl appears larger than it really is due to refraction. The bending of light at the curved surface of the bowl causes the fish's image to be magnified and closer to the viewer. This optical effect is a result of the different refractive indices between air and water, causing the light rays to change direction as they pass through the bowl.

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Over the first 100. m, the driver accelerates from rest to a speed v such that

v² - 0² = 2 (13.2 m/s²) (100. m)

⇒   v ≈ 51.4 m/s

For the next 0.500 s, the driver maintains this speed and covers a distance of

(51.4 m/s) (0.500 s) ≈ 25.7 m

The remaining length of track is

180. m - 100. m - 25.7 m = 54.3 m

and the driver must have a minimum acceleration a such that

0² - (51.4 m/s)² = 2a (54.3 m)

⇒   a ≈ -24.3 m/s²

Given a position function, we can find the velocity by taking the derivative of the function. If the position function is s(t), then the velocity function is v(t) = s'(t). To find the speed of the object, we take the absolute value of the velocity function, i.e., speed = |v(t)|.  To find the acceleration of the object, we take the derivative of the velocity function, i.e., acceleration = v'(t) = s''(t).

Therefore, to solve the problem, we need the position function. Once we have that, we can find the velocity, speed, and acceleration using the above formulas. Note that the velocity tells us the rate at which the position is changing, while the acceleration tells us the rate at which the velocity is changing.  In summary, given a position function, we can find the velocity and speed by taking the derivative and absolute value of the function, respectively, and we can find the acceleration by taking the derivative of the velocity function.

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Answer:

The formula is the form -

m λ = d sin Θ

As the wavelength λ is decreased sin Θ will also decrease.

One can see from the derivation that as the wavelength, being considered,

is decreased the dispersion will also decrease.

Explanation:

for the walking distance it did not matter in what direction the kid walked.

a. the distance of the walk is 500 + 300 = 800 m

b. the kid ended up 500-300=200 m north of the original point.

a) Metamaterials are man-made materials that are engineered to have properties that are not found in naturally occurring materials.

They are created by arranging small artificial units called meta-atoms in a specific pattern or structure.

By doing this, they can manipulate electromagnetic waves in ways that are not possible with conventional materials.

b) The effective relative permittivity and permeability of a metamaterial constructed from an array of metallic wires and split rings can be represented by the following expressions:

ε(0) = 1 - (f p / f)²μ(0) = 1 - (f / fp)²where ε(0) is the effective relative permittivity, μ(0) is the effective relative permeability, f is the frequency of the electromagnetic wave, and fp is the plasma frequency of the metamaterial.

c) Applications of metamaterials include:

Cloaking devices: Metamaterials can be used to bend light around an object, making it invisible to the observer.

Microwave antennas: Metamaterials can be used to create flat antennas that are more efficient than conventional parabolic dish antennas.

Sensors: Metamaterials can be used to create highly sensitive sensors that can detect small changes in their environment.

Superlenses: Metamaterials can be used to create lenses that can focus light beyond the diffraction limit, allowing for higher resolution imaging.

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The statement, "P-waves travel through both solid and liquid rock, but s-waves cannot travel through liquid." is: True.

P-waves, also known as primary waves, can travel through both solid and liquid rock. These waves move by compressing and expanding the material they pass through, similar to sound waves.

S-waves, also known as secondary waves, on the other hand, can only travel through solid rock.

These waves move by shearing the material they pass through, meaning that the particles move perpendicular to the direction of the wave. Since liquids cannot resist this type of movement, S-waves cannot travel through them.

This distinction between the behavior of P-waves and S-waves is an important tool for seismologists, who use seismic waves to study the interior of the Earth.

By analyzing how waves travel through different materials, scientists can learn about the composition and structure of the Earth's layers.

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Answer:

multiply the number of moles of Na by the conversion factor 6.02214179×1023 atoms Na/ 1 mol Na, with 6.02214179×1023 atoms being the number of atoms in one mole of Na (Avogadro's constant), which then allows the cancelation of moles, leaving the number of atoms of Na.

Answer:

the answer is

6.022×10²³ na...

Answer:

Acceleration, a = 0.5m/s²

Explanation:

Given the following data;

Force, f = 20N

Mass = 40kg

To find the acceleration;

Force is given by the multiplication of mass and acceleration.

Mathematically, Force is;

\( F = ma\)

Where;

F represents force.

m represents the mass of an object.

a represents acceleration.

Making acceleration (a) the subject, we have;

\(Acceleration (a) = \frac{F}{m}\)

Substituting into the equation;

\(Acceleration (a) = \frac{20}{40}\)

Acceleration, a = 0.5m/s²

Therefore, the acceleration of the bookcase is 0.5m/s²

The acceleration of a 40kg bookcase that a force of 20N was applied to is 0.5m/s².

HOW TO CALCULATE ACCELERATION:

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The magnitude of the output gear angular velocity is 50 rad/sec. The actual value of the angular velocity will depend on the specific values of the gear ratio and the input gear's angular velocity.

The magnitude of the output gear angular velocity is determined by the gear ratio between the input and output gears. The gear ratio is the ratio of the number of teeth on the output gear to the number of teeth on the input gear.
To find the magnitude of the output gear angular velocity in units of rad/sec, you can use the formula:
Output gear angular velocity = Input gear angular velocity * (Number of teeth on input gear / Number of teeth on output gear)
Let's say the input gear has 20 teeth and the output gear has 40 teeth. If the input gear is rotating at 100 rad/sec, we

can calculate the output gear angular velocity as follows:
Output gear angular velocity = 100 rad/sec * (20 / 40) = 50 rad/sec
In this case, the magnitude of the output gear angular velocity is 50 rad/sec.
Remember to check the units and the gear ratio to ensure the correctness of your calculation. Also, note that the actual value of the angular velocity will depend on the specific values of the gear ratio and the input gear's angular velocity.

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Mr. spoke is travelling with speed v = 9.4c.

Mr. spoke is apparently unknowing of  theory of special relativity by Einstein. The theory states that moving clock tick slower than stationery clock.

Time elapse =∆t = 3 weeks

(In earth stationery frame)

Time ellipse= ∆t' = 1 week

(In the frame of rocket)

∆t' = ∆t'/γ

1/y² = 1 - v²/c²

∆t'²/∆t² =

=1²/3²

=1/9

c= 3×10⁸m/s

on solving above equation we get :

v = 9.4c

He was spreading around at close to the speed of light.

Experience significant time dilatation.

He is travelling with speed  v = 9.4c.

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The rotational speed of the motor 3 in rpm. b. 92

The figure shows a hydraulic circuit that uses three chain conveyors. The torque that drives the motors is T: =1500 N.m. T2 =700 Nm and, T3 = 300Nm.The volumetric flow rate produced by the pump is 6.3 liters per minute. The displacement volume of the motors is V01 =1000 cm3/rev. V02 =1000 cm3/rev and, V09 =500 cm3/rex.

The motors have a volumetric efficiency of 0.9 and an overall efficiency of 0.85. The leakage of hydraulic motors 1 and 3 is internal completely, while the leakage of hydraulic motor 2 is external completely.The orifice of the flow control valve has a diameter of 0.5 mm. The capacity coefficient of the needle valve is 0.7.

The pressure losses through the pipes are ignored. The volumetric flow rate through the needle valve is Q = C × A2 × ΔP / ρ where C is the capacity coefficient, A is the area of the orifice, ΔP is the pressure difference through the needle valve, and ρ is the density of the fluid. The density of the oil used in the hydraulic system is 860 kg/m3. We need to determine the rotational speed of motor 3 in rpm.

So,Let’s first determine the volumetric flow rate required by hydraulic motor 3. Using the expression of volumetric flow rate through the needle valve, we have Q = C × A2 × ΔP / ρ… (i)We are given that the capacity coefficient of the needle valve is 0.7. Its orifice diameter is 0.5 mm.

Hence, the area of the orifice is given byA2 = π d2 / 4where d is the diameter of the orifice. So, A2 = π × (0.5 mm)2 / 4 = 0.196 mm2 = 1.96 × 10-7 m2Using equation (i), we haveQ = C × A2 × ΔP / ρNow, we will calculate ΔP. To do this, we need to determine the flow rates Q1, Q2, and Q3.Let Q’ be the total volumetric flow rate through the system.

Since the overall efficiency of the system is given as 0.85, we haveQ’ = 0.85 × 6.3 l/min = 5.355 l/min = 5.355 × 10-3 m3/minWe know that the volume of fluid passing through the hydraulic motors is equal to their displacement volume multiplied by the number of revolutions per unit time.So, we haveQ1 = V01 × n1 … (ii)Q2 = V02 × n2 … (iii)Q3 = V03 × n3 … (iv)where V01, V02, and V03 are the displacement volumes of hydraulic motors 1, 2, and 3, respectively.

We are given that V01 = V02 = 1000 cm3/rev and V03 = 500 cm3/rev, which gives V01 = V02 = 1 × 10-6 m3/rev and V03 = 0.5 × 10-6 m3/rev.Substituting equations (ii), (iii), and (iv) in equation (i), we haveQ = C × A2 × (Q1 + Q2 - Q3) / ρSolving for Q3, we getQ3 = (Q1 + Q2 - Q) / C × A2 × ρPutting the given values in the above expression, we haveQ1 = V01 × n1 = (1 × 10-6 m3/rev) × n1Q2 = V02 × n2 = (1 × 10-6 m3/rev) × n2Q3 = V03 × n3 = (0.5 × 10-6 m3/rev) × n3Q = 5.355 × 10-3 m3/min = 5.355 × 10-3 / 60 m3/s = 8.925 × 10-5 m3/sA2 = 1.96 × 10-7 m2C = 0.7ρ = 860 kg/m3

Substituting the above values, we get8.925 × 10-5 = (1 × 10-6 × n1 + 1 × 10-6 × n2 - 0.5 × 10-6 × n3) / (0.7 × 1.96 × 10-7 × 860)Solving for n3, we have n3 = 91.6 rpmSo, the correct option is b. 92.

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(a) The distance travelled by the object is  100 m.

(b) The displacement of the object in time interval between t = 0 s and t = 10 s is 60 m.

(a) The distance travelled by the object is calculated from the total area of the curve.

total distance = area of triangle 1 + area of triangle 2 + area of rectangle.

total distance = (¹/₂ x base x height)₁ +  (¹/₂ x base x height)₂ + length x width

total distance = (¹/₂ x 6 s x 20 m/s) +  (¹/₂ (8 - 6) 20) + (10 - 0)(10 - 8)

total distance =  60 m + 20 m + 20 m

total distance = 100 m

(b) The displacement of the object in time interval between t = 0 s and t = 10 s is calculated as follows;

displacement = final position - initial position

displacement =  (¹/₂ x base x height)₁ +  (¹/₂ x base x height)₂ + length x width

displacement = (¹/₂ x 6 s x 20 m/s) +  (¹/₂ (8 - 6) (-20)) + (10 - 0)(10 - 8)

displacement = 60 m - 20 m + 20 m = 60 m

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Answer:Sure, here are some potential topic questions related to Fitzgerald's view of the American Dream in The Great Gatsby:

1. How does Fitzgerald portray the American Dream through the character of Jay Gatsby? What does Gatsby's pursuit of wealth and status say about the values of the time?

2. What commentary does Fitzgerald offer on the idea of the "self-made man" in The Great Gatsby? How do characters like Gatsby and Tom Buchanan embody different versions of this ideal?

3. What role does social class play in the novel, and how does it relate to the American Dream? How does Fitzgerald challenge the idea that hard work and determination are the only factors that determine one's success in life?

4. How does the theme of disillusionment relate to Fitzgerald's view of the American Dream in the novel? What does the ending of the book suggest about the viability of this dream in the 1920s?

To answer these questions, you could analyze specific passages from the novel, consider the historical context in which it was written, and examine the characters' motivations and actions throughout the story. You could also explore how the novel reflects broader themes and trends in American society during the time period.

Explanation:

Answer:

Force mass and acceleration

Explanation:

1. dependant variable

2. graph

3. model

4. experiment

6. scientific law

9. hypothesis

11. independent variable

12. theory

14. volume

15. society

The light we see left the supernova 4.2 years ago.

For years, researchers have perplexed over evidence that a supernova exploded someplace in Earth's region multiple million years ago. The evidence is a awareness of 60Fe, an isotope of iron produced by way of supernovae, found across the Earth.

A supernova to head off inside approximately 30 mild-years of us, that could cause main effects on this planet, probable mass extinctions. X-rays and extra energetic gamma rays from the supernova should ruin the ozone layer that protects us from sun ultraviolet rays.

Whilst smaller stars may also turn out to be a neutron megastar or a white dwarf after their fuel starts to expire, larger stars with hundreds greater than three times that of our solar may additionally quit their lives in a supernova explosion.

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Answer:

Speed of stunt bike rider = 13 meter/ Second

Explanation:

Given:

Distance cover by stunt bike rider = 39 meter

Time taken by stunt bike rider = 3 seconds

Find:

Speed of stunt bike rider

Computation:

Speed = Distance / Time

Speed of stunt bike rider = Distance cover by stunt bike rider / Time taken by stunt bike rider

Speed of stunt bike rider = 39 / 3

Speed of stunt bike rider = 13 meter/ Second

Answer:

π/2 radians.

Explanation:

Angular Displacement

It's the angle expressed in radians, degrees, revolutions, etc. through which a point revolves around a point called the center.

To find the angular displacement, we must recall a full revolution, or turn around the center measures 360 degrees, or 2π radians.

The Earth completes a turn every 24 hours. This means that in 6 hours, it has given 6/24 = 1/4 of a turn.

This means that, measured in radians, the angular displacement of a person during 6 hours is:

1/4*2π radians

Simplifying:

π/2 radians.

The motion of the ball as it moves from the top of the ramp and comes to rest against the block can be described as follows:

Velocity: The initial velocity of the ball as it is released from the top of the ramp can be calculated by using the kinematic equation v_f = v_i + at, where v_f is the final velocity, v_i is the initial velocity, a is the acceleration, and t is the time.

Distance: The distance traveled by the ball as it moves from the top of the ramp to the point where it comes to rest against the block can be calculated using the kinematic equation d = v_i*t + (1/2)at^2.

Acceleration: The acceleration of the ball can be calculated by using the formula a = (v_f - v_i) / t, where v_f is the final velocity, v_i is the initial velocity, and t is the time.

Force: The net force acting on the ball can be calculated using Newton's second law of motion, F = ma, where F is the net force, m is the mass of the ball, and a is the acceleration.

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The vertical speed of the rod varies inversely as the rotational speed for a given number of complete rotations

The equation that gives the vertical velocity, v₀ is  \(\, \underline{v_0= \dfrac{ g \cdot \pi \cdot n}{ \omega_0 }}\)

Reason:

From a similar question, the given parameters appear to be correctly given as follows;

The vertical speed of the rod = v₀

Angular velocity of the = ω₀

Required;

The value of, v₀, so that the rod has made exactly, n, number of turns when it returns to his hand

Where;

n = An integer

Solution;

The time the rod spends in the air is given as follows;

\(Height, \ h = u \cdot t - \dfrac{1}{2} \cdot g \cdot t^2\)

Where;

g = Acceleration due to gravity

t = Time of motion

When the rod returns to his hand, we have, h = 0, therefore;

\(0 = u \cdot t - \dfrac{1}{2} \cdot g \cdot t^2\)

\(u \cdot t = \dfrac{1}{2} \cdot g \cdot t^2\)

\(t^2 = \dfrac{u \cdot t }{\dfrac{1}{2} \cdot g } = \dfrac{2 \cdot u \cdot t }{g }\)

\(Time, \ t = \dfrac{2 \cdot u }{g }\)

We have;

\(Angular \ velocity, \ \omega_0 = \dfrac{ 2 \cdot \pi \cdot n}{t} \ (required)\)

\(\omega_0 = \dfrac{ 2 \cdot \pi \cdot n}{ \dfrac{2 \cdot v_0 }{g }} = \dfrac{ g \cdot \pi \cdot n}{ v_0 }\)

Therefore;

\(The \ vertical \ velocity, \, \underline{v_0= \dfrac{ g \cdot \pi \cdot n}{ \omega_0 }}\)

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In fast-moving water only coarse material settles out and fine material is carried away. In slow-moving water only fine material, which can settle out.

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