What is the maximum speed with which a 1200-kg car can round a turn of radius 88.0 m on a flat road if the coefficient of static friction between tires and road is 0.40?

as you add more toppings the prices goes up.

Well the amount of toppings steadily increases with the cost of the pizza because at $12(I’m pretty sure it’s $12) u r at 0 on he toppings but at $14 u get 1 ,$16 u get 2,$18 u get 3, $20 u get 4, $22 u get 5, $24 u get 6,and so n and so on so u can see it cost $2 extra for each toppings and u base price ( original price for a the pizza with no toppings) is $12

As per the question the earth pulls the apple with a force of 0.5 N.

There are four options out of which we have to choose the most accurate answer.

From Newton's third law of motion we know that for every action there  is an equal and opposite reaction.The force applied by one substance on other is called action and the force that it gets in turn is called reaction.

The earth pulls apple with a force of 0.5 N. Hence the apple must pull the earth with a force of 0.5 N. Otherwise it will violate the fundamental role of physics.

Hence the most accurate option is the last one.

The situation described in the question pertains to Newton's Third Law, which dictates that the apple pulls the Earth with 0.5 N of force, as the Earth does on the apple.

The subject of this question pertains to the fundamental principle of Newton's Third Law of motion, which states that 'for every action, there is an equal and opposite reaction'. Therefore, when the Earth pulls an apple with a force of 0.5 N, the apple also pulls the Earth with the same amount of force, albeit without noticeable movement due to the considerable mass of the Earth compared to the apple. So, the correct statement here is: The apple pulls on the earth with 0.5 N of force.

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Seema would need the acceleration due to gravity and the height the ball reaches to find the potential energy. The formula used is mgh, where m is mass, g is acceleration due to gravity and h is the height above the reference point.

To find the ball’s potential energy, Seema would need to know the acceleration due to gravity and the height the ball reaches. The formula for gravitational potential energy is mgh, where m is mass, g is the acceleration due to gravity, and h is the height above the reference point.

For example, if Seema is holding the ball, say, 1.7 meters above the ground and the ball has a mass of 0.5 kg, the gravitational potential energy (GPE) when she is about to shoot it can be calculated using the acceleration due to gravity (approximated as 9.8 m/s² on Earth), the height above the ground (1.7m + 0.5m for the ball height), hence:

GPE = mass (0.5 kg) × gravity (9.8 m/s²) × height (2.2 meters) = 10.78 Joules.

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Answer: (B) There is complete destructive interference between the incoming and reflected waves

Explanation:

For example, if you pluck a guitar the waves will travel back and forth. They consist of nodes and anti-nodes. It is created, when the wave traveling to one side and bounces of the other end and comes back. As it travels to the other side, it is reflected thus, comes back. So standing waves occurs when there is interference.

When the wave is produced, the points where the string is not moving are called nodes and where they are moving are called anti-nodes. The positions where nodes are produced, destructive interference occurs and where anti-nodes are produced, constructive interference occurs

Answer:

There is complete destructive interference between the incoming and reflected waves

Explanation:

I did gradpoint

Answer:

The wavelength, frequency and speed of a photon are related as:

[tex]\lambda=\frac{c}{f}[/tex]

where, [tex]\lambda[/tex] is the wavelength, c is the speed of light because all photons travels with speed  of light, c in space, and f is the frequency.

[tex]\Rightarrow\lambda=\frac{3\times10^8m/s}{1280\times 10^3s^{-1}}=234 m[/tex]

Hence, the wavelength of the radio photon is 234 m

Energy of this photon:

[tex]E=hf[/tex]

where, h is the Planck's constant.

[tex]E=6.6\times 10^{-34} Js\times 1280\times 10^3s^{-1}=8448 \times 10^{-31} J[/tex]

Hence, the energy of the radio photon is [tex]8448 \times 10^{-31} J[/tex]

Final answer:

To calculate the wavelength of a radio photon from an AM radio station broadcasting at 1280 kilohertz, use the formula λ = c / f. With the speed of light (c) at 3.00 × 10⁸ m/s, the wavelength comes out to 234.375 meters.

Explanation:

The question asks for the wavelength of a radio photon from an 'am' radio station that broadcasts at 1280 kilohertz. The wavelength (λ) can be found using the equation λ = c / f, where 'c' is the speed of light (approximately 3.00 × 10⁸m/s) and 'f' is the frequency. Plugging in the frequency of 1280 kHz (which is 1.28 × 10⁶ Hz), we get:

λ = c / f = (3.00 × 10⁸m/s) / (1.28 × 10⁶ Hz) = 234.375 meters.

The wavelength of the radio photon is therefore 234.375 meters.

An indicator of average kinetic energy is temperature. Temperature is directly proportional to Kinetic energy of the molecules of an element.

Answer:

Temperature

Explanation:

The energy contained by a body due its motion is known as kinetic energy.From kinetic theory of gases, the average kinetic energy is proportional to temperature. More the temperature, more would be the speed of the particles. Gases having same temperature would have same average kinetic energy.

Thus, an indicator of average kinetic energy is temperature.

Answer:

Driverless cars will transport people to and from the train station.

Explanation:

the person above is correct

The United Kingdom planning to use driverless cars beginning in 2015 in a way such that Driverless cars will transport people to and from the train station, therefore the correct answer is option C.

An EV stands for an electric vehicle. Electric vehicles (EVs) are autos that are powered totally or partially by electricity.

According to a lot of experts, self-driving cars can be programmed to be safer than human drivers.

These automobiles are able to perceive their surroundings and predict what lies ahead, something that humans are not capable of doing thanks to the sensors and cameras that are directing and monitoring them.

The right response is option C since the United Kingdom plans to employ autonomous automobiles starting in 2015 in a mode that will allow them to carry people to and from the railway station.

To learn more about electric vehicles here, refer to the link;

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Nearsightedness can be corrected by using eyeglass lenses that are  D. concave in shape and cause light rays entering the eyes to diverge.

Answer:

Concave in shape and cause light rays entering the eyes to diverge.

Explanation:

Nearsightedness is also called myopia. It is a defect in the human eye in which a person is able to see nearby objects clearly but the far objects are seen blurry. In this type of defect, the light is unable to focus on the retina as a result far objects appears blurry.

For the correction of this defect a concave lens is used. It helps to cause light entering eyes to diverge. So, the correct option is (d).

As it is given here that two blocks are pulled towards right side with constant horizontal velocity.

Both blocks are given that moving with speed 2 m/s

Now we can say that by Newton's II law

F = ma

i.e. Net force on a system is product of its mass and acceleration

but as we can see that here two blocks are moving with  constant speed so here as per definition of acceleration we will say

[tex]a = \frac{dv}{dt}[/tex]

As we know that v = constant

[tex]a = 0[/tex]

so here from 2nd law

[tex]F = 0[/tex]

so net force must be zero  block A

So correct FBD must be "option A"

we should not represent any force on it

1) 3.7 km/hr  N19°W

2) she must aim at N20°E

work sheet  #6

relative velocity

Answer:

Nervous and endocrine

Explanation:

Driverless cars require thorough regulation by governments or the auto industry to ensure safety and standardization. Competing interests, such as manufacturers' desire for less regulation and safety advocates' call for oversight, must be balanced to foster innovation while protecting public safety. Clear rules are needed for the testing, certification, and human interaction with autonomous vehicle technology.

Regulation of Self-Driving Vehicles

For driverless cars to become widely available to the public, comprehensive regulations must be established by federal and state governments or the automobile industry. This is essential due to the need for standardization, safety, and consistency across state lines. The presence of many competing interests in the development of self-driving vehicles complicates the regulation process. Auto manufacturers prefer less government regulation to maintain competitiveness, while safety advocates push for stricter oversight to prevent accidents stemming from unproven technology. Some states want to create their own laws, but there's a push for federal standards to ensure uniformity.

The regulation is necessary due to the complexity of autonomous vehicle technology, which includes high-tech components such as radar, laser beams, high-powered cameras, and sonar. The goal is to ensure these vehicles can safely navigate roads with different traffic conditions and varying weather. Currently, with no clear regulatory authority, this area becomes murkier as vehicles with varying levels of autonomy make their way onto public roads.

A balance must be struck between fostering innovation and ensuring public safety. To market and regulate self-driving cars effectively, rules must be agreed upon regarding the testing, certification, and operation of autonomous vehicles. Furthermore, given that technology has not yet reached the point where cars can respond to all driving conditions autonomously, humans must remain involved, necessitating clear guidelines on the interaction between human drivers and autonomous systems.

Solution is given in attachment below

This is a Physics question where we need to figure out how many meters Cam can run per second. To figure this out we divide the distance by the change in time.

40/5.79 = 6.9 meters per second approximately.

Cam Newton's sprinting speed is calculated by dividing the distance he runs by the time it takes, resulting in an approximate speed of 6.91 m/s.

To calculate Cam Newton's running speed, we can use the basic formula for speed, which is distance divided by time. Given that Cam Newton can sprint 40 meters in 5.79 seconds, we would perform the following calculation:

Speed = Distance ÷ Time = 40 meters ÷ 5.79 seconds ≈ 6.91 m/s

Thus, Cam Newton's sprinting speed is approximately 6.91 meters per second (m/s).

Answer:

96

Explanation:

Final answer:

To find the final velocity of a car that starts from rest and accelerates at 4.5 m/s^2 after traveling 1.6 km, you must first find the time it takes to travel that distance and then use the initial velocity (which is zero) and the acceleration to calculate the final velocity.

Explanation:

To calculate the final velocity of a car that starts from rest and accelerates at a constant rate, we use the formula from kinematic equations:

v = u + at

where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time. However, we are not given the time; instead, we have the distance traveled. To find the time, we use the equation:

s = ut + \(\frac{1}{2}\)at^2

Since the initial velocity u is 0 because the car starts from rest and s (displacement) is given as 1.6 km (which is 1600 m), we can rearrange the formula to solve for t:

s = \(\frac{1}{2}\)at^2

t = \sqrt{(\frac{2s}{a})}

After calculating the time, we use the first equation to find the final velocity. Here are the steps:

Convert 1.6 km to meters: 1.6 km = 1600 m.

substitute the values into the time formula to find t

Calculate t using: t = \sqrt{(\frac{2(1600 m)}{4.5 m/s^2})}

Substitute the value of t into the final velocity formula to find v.

Calculate v using: v = 0 m/s + (4.5 m/s^2)(t)

Following these steps will yield the final velocity after the car has traveled 1.6 km.

she could throw her tool belt in the opposite direction, sending her floating towards her ship. That would apply to Newton's Law ofwhat is in motion stays in motion unless interrupted. Therefore if you threw it one way you would keep going the other way because there are no molecules to interrupt your path.

To return to her spaceship, the astronaut should apply Newton's third law of motion by throwing the wrench away from the ship, which will propel her towards it via an equal and opposite reaction.

The astronaut floating in space can return to her spaceship by utilizing Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. By throwing the wrench away from the spaceship, there will be a reactive force that pushes the astronaut towards the spaceship. The mass of the wrench and the force with which the astronaut throws it will determine the velocity at which she moves towards the spaceship, according to the conservation of momentum. Newton's laws of motion and the conservation of momentum are key principles that will help her navigate back to safety.

Final answer:

To calculate instantaneous velocity using the slope of a graph, Larry and Balky should use a graph with velocity on the y-axis and time on the x-axis.

Explanation:

Larry and Balky want to calculate instantaneous velocity using slope in their experiment with a marble rolling down an incline. To accomplish this, they should plot velocity on the y-axis and time on the x-axis. The reason for this is because time is generally considered the independent variable, and velocity, which depends on the time passed, is the dependent variable. In a graph formatted this way, the slope at any given point will represent the instantaneous velocity of the marble at that point in time. As velocity (v) is equal to the displacement (d) divided by time (t), a straight graph of velocity versus time would show velocity as the slope of that line, thus proving option A to be the correct choice for their graph format.

i think A. closed series circuit

That's a SERIES circuit. An electron flowing through it has only one possible path ... it never comes to a place where it has to decide which way to turn.

Here we have been given two charged body W and X.

We are asked to determine the nature of charge.

Before coming into conclusion, first we have to understand the electric field lines.

The electric field lines are pictorial representation of imaginary lines which are drawn to denote the electric field in a graphical  way.

The electric field line starts from a positive charge and ends at a negative charge.It means for positive charges the electric field lines are outward and for negative charges the filed lines will be inward.

In the given diagram,the filed lines for W is towards W itself.The same is also in case of X.

Hence both the charges must be negative in nature.

Hence the correct answer to the question will be B i.e W negative and X: NEGATIVE.

The correct answer is the option B which is both points X and W are negative.

The correct sequence of the energy conversion in a car's engine is A) chemical to thermal to mechanical.

EXPLANATION:

A car has a internal combustion engine. The function of the internal combustion engine is that it converts the stored chemical energy in fuels like petrol or diesel into thermal energy.

The thermal energy produced by the combustion engine will be transformed into mechanical energy. The mechanical energy will perform work on the piston for which the vehicle will be accelerated.

Hence, the correct order will be chemical to thermal to mechanical.

Answer:

The answer is a

Explanation:

work done is defined as product of force and displacement in the direction of force.

So we can say formula of work done is

[tex]W = F.d[/tex]

so here it is given that

F = 350 N

d = 3.85 m

from above equation we have

[tex]W = 350 * 3.85[/tex]

[tex]W = 1347.5 J[/tex]

So net work done is 1347.5 J

Here this is net work done which includes Work done by applied force and also the work done by gravitational force of earth

Answer: Virtual image

Explanation:

- The light rays never converges, because the light rays crosses the point where all the rays accumulate, taking it away from the lens

- The virtual image that is produced, is positioned in front of the lens

- Light when passes through a concave lens, it is refracted away from the focal point making an image look smaller  

- When light passes through a convex lens, it is refracted towards the focal point making the image look bigger

Answer:

Virtual image

Explanation:

a p e x verified

Remark

It's not the number that's the problem. It's the minus sign.

Just use F = m*a to get the numerical answer. F = 51 * 11  = 561 N

Now we come to the hard part. If you learn nothing else in physics, you learn that minus signs are either your best buddy or your worst enemy -- one that you pay a mafia hit man a lot of money to get rid of.

In this case, you better start looking for a guy wearing a white tie.

What you are finding is a force that is acting against the starting block. In order to move forward, you have to push against something to accomplish going forward.  That's  why the block is there: it absorbs the push and you pop forward. You should draw a diagram of the block so you see how many forces act on it.

Answer: - 561

The circulatory system sends nutrients to the body's cells.

Answer: Circulatory system

Explanation:

The circulatory system moves nutrients from the source to various parts of the body.

The nutrients is supplied to each and every cell of the body because each cell of the body needs energy to work efficiently.

The nutrients and the waste materials are also carried from the various cells to the kidney and liver for filtration.

Hence, the circulatory system is responsible for the transport of nutrients from the source to various parts of the body.