B. When **displacement **approaches the **maximum amplitude**.

When an object is moving in a **periodic motion**, such as a **harmonic oscillation**, the speed of the object is at its maximum when the displacement is closest to the maximum amplitude. At this point, the velocity vector is pointing in the direction of motion and the object is moving at its highest speed. The maximum amplitude is the highest point on the graph of displacement versus time, and it is the point where the object is moving at its fastest.

At the **equilibrium **point, the object is at rest and the velocity is zero. It's important to note that the maximum speed is not always constant, it will depend on the specific conditions of the oscillation, such as the amplitude and **frequency **of the motion.

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The combination of an applied force and a friction force produces a constant torque of 36.0 N⋅m on a wheel rotating on a fixed axis. While the force acts for 6.00 s, the angular velocity of the wheel increases from 0 to 10.0 rad/s. The force is removed and the wheel comes to rest in 60.0 s

a. Find the moment of inertia of the wheel.

b. Find the magnitude of the torque due to friction.

c. Find the total number of rotations during the 66.0 s.

d. Find the Kinetic energy of the wheel at 6.00 s when the force is removed.

**Answer:**

D. Find the kinetic energy of the wheel at 6.00 z when the force is removed.

A woman accidentally drops a flowerpot from a windowsill at a height d above the street towards a man of height h standing below. The woman calls out to the man in just enough time for the man to move out of the way. If the man needs a time interval of Î”t to respond to the warning, at what height above the street will the flowerpot be when the woman calls out the warning? (Use the following as necessary: d, h, Î”t, v for the speed of sound, and g for gravitational acceleration.)

**Answer:**

h^2 - ( 2t_o v_s + 2v_s^2 /g) h + v_s^2 \ t_o^2 =0

The correct result is that of a positive height

**Explanation:**

For this exercise we use the kinematic relations, let's start by finding the time it takes for the sound to reach the man

v_s = y / t

t = [tex]\frac{y}{ v_s}[/tex]

this height is y = h

t = \frac{h}{ v_s}

the man has a response time of t = t₀, therefore

time to move is

t' = t - t₀

the initial height of flower pot is

y = y₀ + v₀ t' - ½ g t'²

when it reaches the floor the height is zero y = 0 and as the pot is dropped its initial velocity is zero v₀ = 0

0 = y₀ +0 - ½ g (t -t₀)²

if the initial height is i = h,

h = ½ g ([tex]\frac{h}{v_s}[/tex] - t₀)²2

[tex]\frac{2}{g} h[/tex] = [tex]\frac{h^2}{v_s^2}[/tex] - [tex]\frac{2t_o }{v_s} h[/tex] + t₀²

[tex]\frac{h^2}{v_s^2} - ( \frac{2t_o}{v_s} + \frac{2}{g} ) h + t_o^2 = 0[/tex]h2 / vs2 - (2nd / vs + 2 / g) h + to2 - = 0

[tex]h^2 - ( 2t_o v_s + 2v_s^2 /g) h + v_s^2 \ t_o^2 =0[/tex]

To know the height, you must solve the second degree equation, it is much easier with numerical values.

The correct result is that of a positive height

4. Kenny Kinematic notes that he is at mile marker 334 on the highway. He travels south to mile marker 181. What is his displacement?

Answer:

153miles

Explanation:

Distance on the highway = +334miles

Distance through south = -181miles (towards the negative direction)

Displacement will be the sum of the distances

Displacement = +334-181

Displacement = 153miles

Hence the displacement is 153miles

Help plz with both I’ll mark brainliest

The first one is to save your ears from the decibels

Save wars from decaibles and the second is C

A cyclist cover 6km in 20minutes. His speed is

**Answer:**

The **speed** of a cyclist is **0.3 km/min**.

**Explanation:**

**Given**

**To determine**

We need to determine the speed of a cyclist.

In order to determine the **speed** of a cyclist, all we need to do is to divide the distance covered by a cyclist by the time taken to cover the distance.

We know the formula involving speed, time, and distance

[tex]s=\frac{d}{t}[/tex]

where

s = speedd = distance coveredt = time takensubstitute d = 6, and t = 20 in the formula

[tex]s=\frac{d}{t}[/tex]

[tex]s=\frac{6}{20}[/tex]

Cancel the common factor 2

[tex]s=\frac{3}{10}[/tex]

[tex]s=0.3[/tex] km/min

Thus, the **speed** of a cyclist is **0.3 km/min**.

0.3km/m

Trust the other guy he’s right and dont forget to give him BRAINLIEST

Trust the other guy he’s right and dont forget to give him BRAINLIEST

Which image represents a transverse mechanical wave?

**Answer:**

A

**Explanation:**

It is kinda like a spring.

The **image **which represents a **transverse mechanical wave** is A.

The **wave **has **motion **if all points on a wave **vibrate **at **right angles **to the direction of the **wave propagation**.

A** transverse wave** is a mechanical **wave** which is much like sinusoidal wave which has particles **vibrating **about their **equilibrium position **perpendicular to the direction of the motion of the **wave**.

Hence, the **image **which represents a **transverse mechanical wave** is A.

Learn more about **mechanical wave.**

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Which of the following diagrams would be a good, strong magnet?

I think A but I’m most likely wrong

Galileo

o did not believe friction existed

o believed that friction stopped objects in motion

o believed that friction kept objects in motion

О

assumed that in a frictionless environment objects would never move

**Answer:**

object would move but it could be difficult to slow down or stop.

Canon launch is a 4.0 kg bowling ball with 50 J of kinetic energy what is the bowling ball speed

**Answer:**

5 m/s

**Explanation:**

50=1/2*4v^2

4*1/2=2

25*2=50

so...

square rood of 25 is 5

answer 5 m/s

sorry if that didn't make since

1

What kind of adaptation is a long neck on a tortoise? *

(10 Points)

O

A. Structural

B. Behavioral

a

C. Functional

a

D. Physiological

**Answer:**

The answer is ......... structural adaptation

**Explanation:**

because structural adaptations is a physical thinng in their body so its A please give me brainliest

Which statement best compares coal and ores?

Both are burned for energy.

Both take millions of years to form.

Both require oxygen to form.

Both are used to make coins.

**Answer: **

Option 2 both take millions of years to form

**Explanation:**

Both **coal **and **ores **take millions of years to form.

Ore is a naturally occurring rock or silt that has precious **minerals **in it that may be extracted, processed, and sold for a profit. These minerals are usually metals. **Mining **is the process of removing ore from the soil. The valuable metals or minerals are then removed by treating or refining the ore, **frequently **through smelting.

The **concentration **of the desired ingredient in an ore is referred to as its grade. To decide if a rock has a high enough **grade **to be worth mining and is therefore regarded as an ore, the value of the metals or minerals it contains must be evaluated against the **expense **of extraction.

Typically, **oxides**, sulphides, silicates, or native metals like copper or gold are the minerals of interest. To **separate **the valuable components from the waste rock, ore must be treated. **Numerous geological **processes collectively known as ore genesis are responsible for the formation of ore deposits.

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Plzz answer correctly

**Answer:**

B.

**Explanation:**

something that orbiys other things in space

**Answer: well we all orbit the sun all the planets do so the **

**SuN **

**Explanation: two words common sense**

EASY WORK! Yes it’s easy for other people but not me for people asking.Also click on the photo.

B force and D. Velocity because 1 is a force that push and pulls obviously makes since and D. A force that is size

**Answer: Force and Direction**

**Explanation:**

The force that is applied to other objects from the electric field *

A. ions

B. electric field

C. electric force

D. static charge

electric force hope this helps!!!

what is the mystery Greene discussion and why does he say it is something we should all care about

**Answer:**

The mystery that Greene discusses is that dark energy is causing the expansion of the universe to accelerate. However, this cannot be explained by the laws of Physics.

**Explanation:**

I majored in Physics

If used with godly wisdom, the earth has sufficient resources to sustain its human population.

Yeah I mean people think it’s wrong to take from the earth like shells or plants but the universe provides for us you aren’t steeling from the earth she provides for us

Use Newton's laws of motion to explain why it is important that baseballs and softballs each have a small acceptable range of masses.

**Explanation:**

new non law neutron means neutral then it's important that baseball and softball features small respectable range of masses soft it means that when a ball hits anything hard it comes back by the Newton Law if the baseball is big and the small boy small and then if the contract with each other they ignore triple so when a ball hits the wall if the comeback because of the Mutants and when a big ball if we throw it to the wall it doesn't come that it comes back but in a very low way because it contains less neutrons in it if it is helpful please share with me

Which is an example of positive peer pressure?

O A parent telling her son to wear his seatbelt.

O A student asking others to join the leadership club.

O a teen encouraging a friend to drink alcohol.

O A teacher telling his students to have a safe weekend.

**Answer:**

**B. A student asking others to join the leadership club.**

**Explanation:**

A parent isn't a peer, therefore can't be peer pressure. Drinking is negative for your body, therefore not positive peer pressure. A teacher isn't a peer, therefore the only answer left is B.

Matter is made of small particles to small to be seen. Which of these best describe evidence of this statement? 1. Tara’s crayons melted when she left them under the sun. 2. Kerris glass of water overflowed when she added ice. 3. Sams basketball expands as he pumps air into it. 4. Stephanie dropped a vase and it broke into pieces.

**Answer:**

**Explanation:**

I think the answer is statement no 3.

Hope it helps.

**Answer:**

1 Tara's crayons melted when she left them under the sun

HELPPPPP

What can you infer about the strength and direction of forces experienced by the pod and space station when they collided? What evidence from today’s activities supports your inference?

**Answer:**

In the collision, the strength of the force exerted on the pod is greater than the strength of the force exerted on the space station, but those forces are exerted in opposite directions.

**Explanation:**

Although 0 dB is often referred to as the lower threshold of human hearing, it is important to realize that the human ear is not equally sensitive to all frequencies of sound. In other words, a particular noise may sound louder or softer depending on the frequency of the sound wave being transmitted. Because of this variation, scientists have defined a unit of loudness, called a phon, to represent the intensity of sound waves with a frequency of 1000 Hz. A 60-phon sound is one that is perceived by the human ear to have the same loudness as a sound wave with an intensity of 60 dB and a frequency of 1000 Hz.

Required:

a. At approximately what frequency do most people perceive the least intense sounds? Answer numerically in hertz to two significant figures.

b. Normal conversation has a sound level of about 60 dB. How many times more intense must a 100-Hz sound be compared to a 1000-Hz sound to be perceived as equal to 60 phons of loudness?

Answer:

20 Hz

15.8 times

Explanation:

A

Although the range of frequency for any human's ear is usually said to be between 20 Hz and 20 kHz. And since the question asked for the least intense frequency, that has to be 20 Hz. Essentially the frequency most people perceive the least intense sound is 20 Hz.

B

A 100-Hz sound must be 10^1.2 times or 15.8 times more intense compared to a 1000-Hz sound to be perceived as equal to 60 phons of loudness

The ancient Egyptians used the stars to _____.

predict annual flooding

make their calendar

harvest their crops

choose their pharaoh

**Answer:**

predict annual flooding

**Answer:**

I'm pretty sure it is b make their calander

Three joules of work is needed to shift 10 C of charge from one place to another. The potential difference between the places is ______. *

0.3 V

0.5 V

5 V

3 V

**Answer:**

The **potential difference **between the places is **0.3 V.**

∴ 1st option i.e. 0.3V is the correct option.

**Explanation:**

**Given**

Work done W = 3J

Amount of Charge q = 10C

**To determine**

We need to determine the potential difference V between the places.

The potential difference between the two points can be determined using the formula

Potential Difference (V) = Work Done (W) / Amount of Charge (q)

or

[tex]\:V\:=\:\frac{W}{q}[/tex]

substituting W = 3 and q = 10 in the formula

[tex]V=\frac{3}{10}[/tex]

[tex]V=0.3[/tex] V

Therefore, the **potential difference **between the places is **0.3 V.**

∴ 1st option i.e. 0.3V is the correct option.

energy in a stretched spring

**Answer:**

**Elastic potential energy** is the potential energy stored by stretching or compressing an elastic object by an external force such as the stretching of a spring. It is equal to the work done to stretch the spring which depends on the spring constant k and the distance stretched.

**Hope this helps :)**

*-ilovejiminssi♡*

An iron block of 12 kg undergoes a process during which there is a heat gain from the block at 2 kJ/kg, an elevation increase of 32 m, and a decrease in velocity from 40 m/s to 7 m/s. During the process, which also involves work transfer, the internal energy of the block increases by 70 kJ. Suppose the total energy of the system remains constant. Determine the work transfer during the process in kJ and indicate whether the work is done on/by the system.

**Answer:**

**Explanation:**

Total heat gain by the block ΔQ = 2 x 12 kJ = 24 kJ .

Gain of potential energy = mgh = 12 x 9.8 x 32 = 3.763 kJ

Decrease in kinetic energy KE = 1/2 x 12 ( 40² - 7² )

= 9.306 kJ

increase in internal energy ΔE = 70 kJ

ΔQ = ΔE + PE - KE + W , W is work done by the gas

Putting the values

24 = 70 + 3.763 - 9.306 + W

W = - 40.457 kJ .

Since W is negative that means work is done on the system .

A proud new Jaguar owner drives her car at a speed of 35 m/s into a corner. The coefficients of friction between the road and the tires are 0.70 (static) and 0.40 (kinetic). What is the minimum radius of curvature for the corner in order for the car not to skid

**Answer:**

178.6 m

**Explanation:**

Since the car moves in a circular path, it experiences a centripetal force, F = mv²/r where m = mass of car, v = speed of car = 35 m/s and r = radius of curvature of path.

Now, for the car not to skid, this centripetal force must be equal to the frictional force, F' acting in the opposite direction.

So, F' = μN where μ = coefficient of static friction(since the car does not move in this direction) and N = normal force = mg where m = mass of car and g = acceleration due to gravity = 9.8m/s²

F' = μmg

Since F = F'

mv²/r = μmg

dividing both sides by m, we have

v²/r = μg

multiplying both sides by r, we have

v² = μgr

dividing both sides by μg, we have

r = v²/μg

Here we use μ = coefficient of static friction(since the car does not move in this direction) = 0.70. Substituting the other variables into the equation, we have

r = v²/μg

r = (35 m/s)²/(0.70 × 9.8m/s²)

r = 1225 m²/s²/6.86m/s²)

r = 178.6 m

So, the minimum radius of curvature of the corner is 178.6 m

This is the build up of substance such as pesticides in an organism and occurs when an organism absorb a substance at a rate faster than that at which the substance is lost

**Answer:**

which the substance is lost by catabolism and excretion.

**Explanation:**

Your bike is too big if your can't touch the ground A.Knees B.Hands C.Feet

**Answer: C: Feet**

**Explanation: Why...**

Which describes increasing the efficiency of an energy resource?

switching from coal to solar

making cars that get better gas mileage

using biomass instead of coal

turning off the lights when leaving a room

**Answer:**

making cars that get better gas mileage

**Answer: Making cars that get better gas**

**Explanation: Gradpoint**

(1 point) find the angle between the vectors a=9ij5k and b=2i j8k.
sketch the region bounded by the curves y=7x2y=7x2 and y=4x2 108y=4x2 108. the area of this region can be expressed as
Determining the internal rate of return Ronnie Gentry, CFO of Odessa Enterprises, is evaluating an opportunity to invest in additional manu- facturing equipment that will enable the company to increase its net cash inflows by $250,000 per year. The equipment costs $858,270.25. It is expected to have a five-year useful life and a zero salvage value. Odessa's cost of capital is 10 percent. Required a. Calculate the internal rate of return of the investment opportunity b. Indicate whether Odessa should purchase the equipment
find the rea of the windows
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a sequence of two different letters is randomly chosen from those of the word sore; the first letter is a consonant.
how do enzymes work to increase a reaction rate? give an example and the reaction that it catalyzes. list three things that can denature an enzyme. how is inhibiting an enzyme different than denaturing it?
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How did America and the West react to the spread of Communism in the immediate post-war era? What specific actions did they take? (75-125 words )
Suppose the officials in the city or town where you live would like to ask questions of a "representative sample" of the adult population. Explain some of the characteristics this sample should have. For example, would it be sufficient to include only homeowners?
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Which kind of figurative language is used in turning tree stumps into snow men
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now that you have learned how to name alkenes in section 10.3, name each of the following epoxides as an alkene oxide
a guitar string 65 cm long vibrates with a standing wave that has three antinodes. what is the wavelength of this wave?
An alternative to using logarithms to determine the amount of time that it would take for a lump-sum investment at a particular compound interest rate to grow to a certain value would be to use a spreadsheet to list the value of the investment after each compounding period for as many times as is necessary. Suppose that you receive $1,000 as a gift and decide to invest it in a fund that pays a particular interest rate compounded quarterly. (6.91% compounded quarterly). Determine how long it will take for this investment to grow to $8,000 by showing the value of the investment after each compounding period. Include columns showing the period number, the length of time that has passed, and the amount in the account at the end of each period (you may want to include additional columns depending on your set-up). You may stop the process once you get to the first value for the amount in the account at the end of a period that is $8,000 or above.
research related to the development of schizophrenia has shown what?
Which of the following is true of gluconeogenesis? glucose is generated by using energy to run in reverse the reactions of the citric acid cycle and glycolysis glucose is generated by using the pentose phosphate pathway to route carbon to the citric acid cycle new glucose is generated when glycolysis is run in reverse to generate ATP under starvation conditions gluconeogenesis is the photosynthetic conversion of acetate into glucose glucose is generated by using energy to fix 6 molecules of CO2
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