A 60.0-kg child takes a ride on a Ferris wheel that rotates four times each minute and has a diameter of 20.0 m. (a) What is the centripetal acceleration of the child

Answers

Answer 1

Answer:

3 because

Explanation:

60÷20=3 ans is this


Related Questions

*picture choice question*

Which is a renewable
resource?

Answers

Answer:

B

Explanation:

That is solar energy and the sun will be releasing energy constantly for the rest of its life, meaning renewable

Is the solar energy

. An object is dropped from a height of 75.0 m above ground level. (a)
Determine the distance traveled during the first second. (b) Determine
the final velocity at which the object hits the ground. (c) Determine the
distance traveled during the last second of motion before hitting the
ground.

Answers

a) 4.9 m

b) 38.3 m/s

c) 33.4 m

What are three equation of motion?

The three equations are,

v = u + at

v² = u² + 2as

s = ut + ½at²

According to the question,

Let hold the y-axis in the direction of gravity.

Initial velocity 0 = 0 /,

Initial height ℎ0 = 0 , and finish height ℎ = 75.0

gravitational acceleration = 9.8 /²

a) Determine the distance traveled during the first second.

By third equation of motion

[tex]S_{0} = v_{0} t +\frac{1}{2} gt^{2}[/tex]  where [tex]v_{0}[/tex] =0

then [tex]S_{0} = \frac{gt^{2}}{2} = \frac{9.8*1^{2} }{2} = 4.9 m[/tex]

b) Determine the final velocity at which the object hits the ground

let – velocity of object, when it falling to the ground

– moment falling to the ground, and obtain from condition:

ℎ = ℎ() = 75.0

[tex]v_{f} = v_{0} +gt = gt[/tex]

[tex]h (t_{f} ) = \frac{gt^{2} }{2} = 75.0 m\\t_{f} =\sqrt{\frac{2h_{f} }{g} } \\v_{f}= gt = g \sqrt{\frac{2h_{f} }{g} } =\sqrt{2hg_{f} }= =\sqrt{2*9.8*75.0} = 38.3 m/s[/tex]

c) Determine the distance traveled during the last second of motion before hitting the ground.

From the above equation we get,

[tex]\sqrt{2*75*9.8*1} - \frac{9.8*1^{2} }{2} = 38.3 -4.9 = 33.4 m[/tex]

Therefore,

a) 4.9 m is the distance traveled during the first second.

b) 38.3 m/s is the final velocity at which the object hits the ground

c) 33.4 is the distance traveled during the last second of motion before hitting the ground.

Learn more about equations of motion here: https://brainly.com/question/14355103

#SPJ1

Because of wave refraction, erosion along an irregular coastline is:

Answers

Because of wave refraction, erosion along an irregular coastline is greatest in headlands.

What is Refraction?

This is referred to as the bending of light as it passes from one medium to another with its speed being changed.

Refraction causes erosion along an irregular coastline to be greatest in headlands which is the area of land projected out toward the sea.

Read more about Refraction here https://brainly.com/question/1360744

#SPJ12

An object of mass 5 kilograms is moving across a surface in a straight line with a speed of 3.5 meters/second. what amount of force would be
required to keep the object in motion if you ignore the surface friction?
a 0 newtons
b 175 newtons
c 35 newtons
d 5 newtons

Answers

Taking into account the Newton's second law, the amount of force required to keep the object in motion if you ignore the surface friction is 0 N.

Newton's second law

In first place, acceleration in a body occurs when a force acts on a body. There are two factors that influence the acceleration of an object: the net force acting on it and the mass of the body.

Newton's second law states that this force will change the speed of an object because the speed and / or direction will change. These changes in velocity are called acceleration.

So, Newton's second law defines the relationship between force and acceleration mathematically. This law says that the acceleration of an object is directly proportional to the sum of all the forces acting on it and inversely proportional to the mass of the object.

Mathematically, Newton's second law is expressed as:

F= m×a

where:

F = Force [N]m = Mass [kg]a = Acceleration [m/s²]

Force required to keep the object in motion

In this case, you know:

F= ?m= 5 kga= 0 [tex]\frac{m}{s^{2} }[/tex]. Acceleration is a magnitude that measures the change in velocity in a given period. That is to say that if the object changes speed, that change is measured with acceleration. So if an object is moving at a constant speed, there is no change in speed and its acceleration is zero.

Replacing in Newton's second law:

F= 5 kg× 0 m/s²

Solving:

F= 0 N

Finally, the amount of force required to keep the object in motion if you ignore the surface friction is 0 N.

Learn more about the Newton's second law:

brainly.com/question/23845187

brainly.com/question/13959891

#SPJ1

help pleaaase!!
A train leaves the station from rest and travels along a straight track. if the train is 500 meters from the station when it reaches a velocity of 50m/s what is the acceleration of the train?

Answers

Answer:

[tex]2.5m/s^{2}[/tex]

Explanation:

Since the distance ,s = 500m

Initial velocity, u = 0m/s

Final velocity, v = 50m/s

We can one of the kinematics equations to find the acceleration.

[tex]v^{2} =u^{2} +2as\\50^{2} =0^{2} + 2a(500)\\2500 = 0 + 1000a\\1000a = 2500\\a = \frac{2500}{1000} \\= 2.5m/s^{2}[/tex]

Answer:

S=D÷T

Explanation:

50=0.5÷T

T= 100

A rocket weighing 300,000 N is taking off from Earth with a total thrust of
460,000 N at an angle of 20 degrees, as shown in the image below. What is
the approximate vertical component of the net force that is moving the rocket
away from Earth?

Answers

Explanation:

vertical force = 460,000 * sin(70) - 300,000

Fv = 187,717.75N

In a Laundromat, during the spin-dry cycle of a washer, the rotating tub goes from rest to its maximum angular speed of 8.70 rev/s in 6.80 s. You lift the lid of the washer the instant the angular speed reaches the maximum value, and notice that the tub decelerates and comes to a stop in 19.0 s. Assuming that the tub rotates with constant angular acceleration while it is starting and stopping, determine the total number of revolutions undergone by the tub during this entire time interval.

Answers

Since we assume the accelerations are constant, the instantaneous acceleration is the same as the average acceleration, so in the first 6.80 seconds we have

[tex]\alpha_1 = \alpha_{\rm ave} = \dfrac{\Delta \omega}{\Delta t} = \dfrac{8.70\frac{\rm rev}{\rm s}}{6.80\,\rm s} \approx 1.28 \dfrac{\rm rev}{\mathrm s^2}[/tex]

In this time, the tub undergoes an angular displacement of

[tex]\theta_1 = \dfrac12 \alpha_1 (6.80\,\mathrm s)^2 \approx 29.6\,\mathrm{rev}[/tex]

In the next 19.0 seconds the tub has acceleration

[tex]\alpha_2 = \dfrac{-8.70\frac{\rm rev}{\rm s}}{19.0\,\rm s} \approx -0.458 \dfrac{\rm rev}{\mathrm s^2}[/tex]

and in this time, the tube undergoes an additional displacement of

[tex]\theta_2 = \left(8.70\dfrac{\rm m}{\rm s}\right)(19.0\,\mathrm s) + \dfrac12 \alpha_2 (19.0\,\mathrm s)^2 \approx 82.7\,\mathrm{rev}[/tex]

So the tub completes [tex]\theta_1+\theta_2 \approx \boxed{112\,\mathrm{rev}}[/tex].

What do comets and asteroids have in common?

Answers

Answer:

Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets. They are both “leftovers” — made from materials from the formation of our Solar System 4.5 billion years ago. But there are a few notable differences between these two objects, as well. The biggest difference between comets and asteroids, however, is what they are made of.

While asteroids consist of metals and rocky material, comets are made up of ice, dust, rocky materials and organic compounds. When comets get closer to the Sun, they lose material with each orbit because some of their ice melts and vaporizes. Asteroids typically remain solid, even when near the Sun.

Right now, the majority of asteroids reside in the asteroid belt, a region between the orbits of Mars and Jupiter which may hold millions of space rocks of varying sizes. On the other hand, the majority of comets are in the farthest reaches of our Solar System: either 1. in the Kuiper Belt — a region just outside the orbit of the dwarf planet Pluto that may have millions of icy comets (as well as many icy dwarf planets like Pluto and Eris); or 2. the Oort Cloud, a region where trillions of comets may circle the Sun at huge distances of up to 20 trillion kilometers (13 trillion miles).

Answer:

they are both leftovers materials

Explanation:

think about how the solar system is made the comets and asteroids are both rocks and remains of the solar system

A 25-kg piece of equipment can be hung by steel wires of length 1.00 m, 2.00 m, or 3.00 m. If all the wires have the same diameter, which one will stretch the greatest distance

Answers

If all the wires have the same diameter, they will all stretch by the same percent. The elasticity does not depend upon the length.

What is the distance?

Distance is a numerical representation of the distance between two locations. The distance can refer to a physical length or an estimate based on other factors in physics or common use.

|AB| is a symbol for the distance between two points A and B.

A physiological method for identifying far-off or unseen items using sound waves that the objects reflect back to the source, such as a bat. Each one will enlarge by the same percentage.

Hence, they will all stretch by the same percentage.

To learn more about the distance refer to the link;

https://brainly.com/question/26711747

#SPJ5

a transverse wave passes through a slinky​

Answers

Last one!

Perpendicular to the wave's energy

Hope this helps!

If a star is moving away from you at constant speed, the absorption lines in its spectrum will.

Answers

Answer:

The absorption lines will shift to the red (become longer).

This is because of the extra distance that a wavelength λ must travel between the vibrations of the source producing the spectrum.

Note that the Doppler effect of the source is slightly different for light waves than it is for sound waves because sound waves require a medium in which to travel while light waves do not require such a medium (example air).

Two particles having charges q,=0.700nc and q=9.00nc are separated by a distance of 1.40m. at what point along the line connecting the two charges is the total electric field due to the two charges equal to zero?

Answers

The point along the line connecting the two charges is the total electric field due to the two charges equal to zero will be 0.3056.

What is electric field strength?

The electric field strength is defined as the ratio of electric force and charge. The field's direction is determined by the direction of the force acting on the positive charge.

The megnitude of the electric field for charge 1 is;

[tex]\rm E_1 = (9 \times 10^9 )\times \frac{0.700 \times 10^{-9}}{x^2}[/tex]

The megnitude of the electric field for charge 1 is;

[tex]\rm E_2 = 9.0 \times 10^9 \times \frac{9.00 \times 10^{-9}}{(1.80-x)^2}[/tex]

The net electric field at point p is;

[tex]\rm \frac{0.700}{x^2} = \frac{9.00}{(1.40-x)^2} \\\\( \frac{1.40-x}{x} )^2 = \frac{9.00}{0.700} \\\\\ \frac{1.40-x}{x}=3.58 \\\\ \frac{140}{x} -1=3.58\\\\\ \frac{140}{x}=3.58+1\\\\ x=0.3056 \ m[/tex]

Hence, the point along the line connecting the two charges is the total electric field due to the two charges equal to zero will be 0.3056.

To learn more about the electric field strength refer to the link;

https://brainly.com/question/4264413

#SPJ1

You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. you use your fog horn to send out a blast of sound (assume the temperature of the air is 20 oc) and the time it takes for the sound to return to you is 20.0 s. how far away are the cliffs (in metric units)

Answers

The distance of the cliff from where you are is determined as 3,430 m.

Distance of the cliff

Apply the formula for echo.

v = 2d/t

where;

v is speed of sound at 20 ⁰C = 343 m/sd is distance = ?t is time = 20 s

2d = vt

d = vt/2

d = (343 x 20)/2

d = 3430 m

Thus, the distance of the cliff from where you are is determined as 3,430 m.

Learn more about echo here: https://brainly.com/question/14090821

#SPJ1

in permanent waving, the size of the curl is determined by the

Answers

In permanent waving, the size of the curl should be determined based on the size of the rod.

What is permanent waving?

Permanent waving can be defined as a hairstyle that is typically made by setting a person's hair in waves or curls while treating it with chemical solutions such as thio, so as to make it last for a long period of time.

In permanent waving, the size of the curl should be determined based on the size of the rod that would be used for the hairstyle.

Read more on hairstyle here: https://brainly.com/question/25247384

#SPJ12

help!! this makes no sense to me

Answers

3 meters i’m pretty sure

Answer:

3 meters

Explanation:

Velocity = displacement/time

Displacement=velocity×time

As, time from 7 to 8 is 1 sec. And velocity increases from 0 to 3 m/s

So, Displacement = 3×1

=3m

Please give me brainlist.

A 500. gram cart with a speed of 0.360 m/s hits a barrier and bounces back with a return velocity of -0.240 m/s. what is its change in momentum?
a. 60.0 kg*m/s
b. 0.300 kg*m/s
c. -0.300 kg*m/s
d. .0600 kg*m/s
e. -.0600 kg*m/s

Answers

The change in the momentum of the cart,given the data is 0.06 Kgm/s (Option D)

What is momentum?

Momentum is defined as the product of mass and velocity. It is expressed as

Momentum = mass × velocity

Change in momentum = mass (final velocity - initial velocity)

How top determine the change in the momentum

From the data given above, the following data were obtained:

Mass (m) = 500 g = 500 / 1000 = 0.5 KgInitial velocity (u) = 0.360 m/sFinal velocity (v) = -0.240 m/s.Change in momentum =?

Change in momentum = m(v + u) (renounce)

Change in momentum = 0.5 (-0.24 + 0.36)

Change in momentum = 0.5 × 0.12

Change in momentum = 0.06 Kgm/s

Learn more about momentum:

https://brainly.com/question/250648

#SPJ1

can you please help me with this

Answers

Answer:

1.76 seconds/cycle

Explanation:

Frequency is   10 cycles / 17.6 seconds

PERIOD is  1/frequency = 17.6 seconds/10 cycles = 1.76 s/c    

          cycle is a vibration , so the unit may be  1.76 second / vibration

The diagram shows changes of state between solid, liquid, and gas. The atoms of a substance lose energy during a change of state. Before the change, the atoms are close together but are able to slide past one another.

A diagram has a triangle at center with gas on top, liquid on bottom right, solid on bottom left. An arrow from gas to liquid is labeled O, and an arrow from liquid to gas is labeled N. An arrow from solid to liquid is labeled P, and an arrow from liquid to solid is labeled Q. An arrow from solid to gas is labeled L, and an arrow from gas to solid is labeled M.

Which arrow represents the change of state described above?

M N P Q

Answers

A diagram has a triangle at center with gas on top liquid is labeled o and an arrow from liquid to gas is tabled n

Answer:

its Q

Explanation:

light hits ocean during ​

Answers

Answer:

no way to tell since the ocean surface is moving too violently it's not possible to determine the reflected angle

Which statement is TRUE about forces?
A. Forces do not have a specific direction.
B. Forces do not have specific strength.
C. Forces always act in pairs, a push and a pull.

Answers

Answer:

Forces do not have a specific direction.

a girl swims along the length of 80m in swimming pool and comes back in 1.5sec. find her distance and displacement​

Answers

the distance is the first 80m+the second 80m she came back. So the distance is 160m. but the displacement is 0, because she came back by the direction she went.

5. In the image below, the focus lines are shown. What can be done to bring the apple into focus?
A. Make the lens rounder.
B. Make the lens flatter.
C. Move the apple farther from the eye.
D. Nothing should be done because the apple is already in focus.

Answers

In the image below, the focus lines are shown. The step can be done to bring the apple into focus is make the lens rounder. The correct option is A.

What is lens?

The lens is in spherical shape may be diverging or converging.

As light enters the eye, it is focused on the retina. Changing the pupil diameter, regulates the amount of light entering the eye. Changing lens shape will focus the light.

The changes in lens shape needed to maintain focus as the object distance changes.

Thus, the correct option is A.

Learn more about lens.

https://brainly.com/question/17014859

#SPJ1

why aren't there lunar and solar eclipses every month?

Answers

The moon's orbital plane is different from that of the earth's orbit around the sun due to which lunar and solar eclipses do not occur every month.

What is a solar eclipse?

When the moon passes in front of Earth and the sun, it creates a solar eclipse and casts a shadow across the globe.

Only during the new moon phase, when the moon travels squarely between the sun and Earth and casts shadows on its surface, can a solar eclipse occur.

Due to the moon's orbit being five degrees off-center from Earth's orbit around the Sun, lunar eclipses do not happen every month and the Moon often passes above or below the shadow.

Lunar eclipses would happen every month if there were no tilt. Eclipses of the sun and the moon happen equally often.

Hence lunar and solar eclipses aren't coming every month.

To learn more about the solar eclipse refer;

https://brainly.com/question/17749647

#SPJ1

The reason why lunar and solar eclipses do not occur every month is because; the plane of orbit of the moon around the earth is not same as that of earth around the sun.

Why don't lunar and solar eclipses occur every month?

When the Moon passes between Earth and the Sun, there's solar eclipse while when the earth passes between the Sun and the Moon, casting a shadow on the Moon, there's lunar eclipse.

Hence, because the plane of orbit of the moon around the earth is not same as that of earth around the sun, we do not have lunar and solar eclipses every month.

Read more on solar and lunar eclipse;

https://brainly.com/question/14198324

#SPJ11

Eclipses and Moon Phases Activity Student sample of a modeled eclipse. This lesson highlighted eclipses and lunar phases. If you had to teach another person about the difference between the two events, how would you explain it

Answers

An eclipse is an event in which the sun or moon is blocked from view due to the presence of another celestial body, whereas lunar phases are caused by the reflection of the sunlight.

What is an eclipse?

An eclipse is an astronomical phenomenon where one celestial body (e.g., sun, moon) cannot be observed because another is interposed between the Earth and the first one.

Eclipses can be divided into moon eclipses (we cannot see the moon) and sun eclipses (we cannot see the sun).

On the other hand, moon phases occur due to how sunlight reflects the near side of the Moon.  

Moon phases can be divided into:

New MoonFirst QuarterThird QuarterFull Moon

In conclusion, an eclipse is an event in which the sun or moon is blocked from view due to the presence of another celestial body, whereas lunar phases are caused by the reflection of the sunlight.

Learn more about eclipses here:

https://brainly.com/question/8643

#SPJ1

Answer: the other person explained it all

Explanation:

a car accelerates from rest to 80 m/s in 20 s. what is the card acceleration?

Answers

Answer:

4 m/s²

Explanation:

v = v₀ + at

80 = 0 + 20a

80 = 20a

a = 4 m/s²

What motion is expected of the scapula during arm elevation?

Answers

During arm elevation, the motion of the scapula moves is an upward rotation motion.

What is the scapula?

The scapula otherwise known as the shoulder blade is a bone found in the upper limb and forms part of the shoulder and the back.

They are triangular in shape.

The scapula enables movement of the shoulder and the arm in about six ways.

During arm elevation, the motion of the scapula moves is an upward rotation motion: protraction, retraction, elevation, depression, upward rotation, and downward rotation.

Learn more about scapula at: https://brainly.com/question/12926652

#SPJ12

When you attract every object in the universe with a force that is proportional to the mass of the objects and to the distance between them, you are obeying which law?

Answers

When you attract every object in the universe with a force that is proportional to the mass of the objects and to the distance between them, we are obeying Newton's law of universal gravitation.

Newton's law of universal gravitation

Newton's law of universal gravitation states that the force of attraction between two masses in the universe is directly proportional to the product of the masses and inversely proportional to the the square of the distance between them.

The mathematical interpretation of the above law is

F ∝Mm/r²

Removing the proportionality sign,

F = GMm/r².

Where:

F = Force of attractionG = Gravitational constantM = Bigger massm = Smaller mass r = Distance between the masses.

From the above, When you attract every object in the universe with a force that is proportional to the mass of the objects and to the distance between them, we are obeying Newton's law of universal gravitation.

Learn more about Newton's law of universal gravitation here: https://brainly.com/question/9373839

#SPJ12

7.Name three values you could measure as scalars and three values you could measure as
vectors.

Answers

scalars: distance, speed, time

vectors: displacement, velocity, acceleration

Gyroscopic wander can be divided in to two categories, one is DRIFT, what is the other?

Answers

Gyroscopic wander can be divided into two categories and these are:

DriftTopple

What is gyroscopic wander?

Gyroscopic wander can be defined as a movement of the spin axis (axis of rotation) away from a specific fixed direction.

Based on scientific information and records, there are two main types of gyroscopic wander and these include the following:

DriftTopple

Read more on gyroscopic wander here: https://brainly.com/question/12168194

#SPJ12

The farther you bring charged objects​

Answers

Answer:

Weaker, stronger

Explanation:

hope this helped!

Answer:

[tex]\fbox {weaker, stronger}[/tex]

Explanation:

The farther you bring charged objects from each other, the weaker the electrical force between them, and the bigger the charges on the objects, the stronger the electrical force between them.

Proving

Here we need the formula for Coulomb's Law, which is :

[tex]\boxed {F = \frac{1}{4\pi\epsilon_{0}}\times\frac{q_{1}q_{2}}{r^{2}}}[/tex]

As we can see, when the distance increases, the overall force will decrease as they are inversely proportional.

Similarly, as the product of charges is directly proportional to the electrical force produced, as the charges increase, the force increases.

Other Questions
What is the equation of the line that passes through the point (6,-4) and has a slopeof-? A circle has a diameter with endpoints (-7, 1) and (-3, 7).What is the equation of the circle?r2 = ( x - 3) 2 + ( y + 4) 2r2 = ( x + 3) 2 + ( y - 4) 2r2 = ( x + 5) 2 + ( y - 4) 2r2 = ( x - 5) 2 + ( y + 4) 2 In which of the following scenarios are delivery and noise most likely the primary concerns of the speaker?a.Sheree has been asked to speak about social security to a mixed group of college students, business people, and senior citizens.b.Erin is giving a motivational speech to a very large group of high school students seated on bleachers in the schools gymnasium. c.Charles has been invited to Mrs. Delaneys classroom to speak to her elementary school children about fire safety. d.Ethan is giving a highly technical presentation on biomedical engineering involving several working models, computerized graphs, and video clips to a group of doctors, scientists, and engineers. In Walden, how is the excerpt from Spring mostly organized?It describes the order of events as winter turns to spring.It explains how the authors mood changes as spring arrives.It lists the benefits of the rebirth of nature in springtime.It compares the landscape in spring to the landscape in summer. Which would be a good use for an organic substance? Check all that apply. A. Electrical conductors B. Waterproof coatings C. Fuels such as gasoline D. Microchips E. Plastic storage containers A client with a spinal cord injury is diagnosed with neurogenic shock. What type of shock is this categorized as what's the central idea of the poem later life How does Homer identify Odysseus as the protagonist of the story? What oscar-winning film set in mexico shares its name with a variety of tomato?. During the nitrogen cycle, through which structure are nitrogen compounds first absorb into the plant?. A tiny red bird in a tree outside my window chirped while I practiced my flute solo for the winter concert.Which part of this sentence is a clause?"my flute solo""a tiny red bird""while I practiced""for the winter concert help me pls i dont understand it What is the first test you should do when checking the charging system? D. Have you ever been on a holiday trip or travelled to different places? Mention the hotspots, points of interest, etc. Share your experiences with your friends. D. Have you ever been on a holiday trip or travelled to different places ? Mention the hotspots , points of interest , etc. Share your experiences with your friends. Divide 140 in the ratio 2:5 Urgent algebra 2 help needed This year, druehl, inc. , will produce hot water heaters at its plant in delaware, in order to meet expected global demand. To accomplish this, each laborer at the plant will work hours per month. If the labor productivity at the plant is hot water heaters per labor hour, how many laborers are employed at the plant?. Is the point (11, 15) on the circle defined by (x-9) + (y-15) = 4?O YesO No In a group of 20 pupils, 3 play the flute only.6 play the piano only.6 play both instruments.A student is chosen at random.What is the probability the student plays neither instrument?Please answer in fractional form!! Select all that apply The four general accounting principles include: (Check all that apply). Multiple select question. going concern measurement expense recognition time period revenue recognition full disclosure business entity