A force is exerted on a box an an equal and opposite force is exerted by the box. what explains this?

Answer:

Funny answer but works!

Explanation:

Not enough air. Go outside, crack open the window and blow air into the room like you would a balloon then close the window quickly. If it doesn't start bouncing, try giving the house a push. Good luck.

Let's look at relationship

\(\\ \rm\rightarrowtail T=2\pi\sqrt{\dfrac{m}{k}}\)

\(\\ \rm\rightarrowtail T\propto \sqrt{m}\)

Hence

\(\\ \rm\rightarrowtail \dfrac{T_1}{T_2}=\sqrt{\dfrac{m1}{m2}}\)

\(\\ \rm\rightarrowtail \dfrac{1.5}{2}=\sqrt{\dfrac{0.5}{m2}}\)

\(\\ \rm\rightarrowtail 0.75^2=\dfrac{0.5}{m2}\)

\(\\ \rm\rightarrowtail m_2=\dfrac{0.5}{0.75^2}\)

\(\\ \rm\rightarrowtail m_2=0.889\)

Hence

Answer

Mass needs to added =0.889-0.500=0.389kg

Explanation:

When doing a kinetic research utilizing the method of starting rates, the reaction is repeated several times. While the concentration of one reactant fluctuates, the other is maintained constant.

You can determine what more solute has been dispersed in the solvent by looking at the level of the solution's concentration. For instance, the concentration may be stated as 1 teaspoon of salt per 2 cups of water if you add 1 teaspoon to 2 cups of water.

Molarity, a typical measurement used for this, is utilized. Molarity (M) is calculated by dividing the volume of the solution (V) in liters by the quantity of moles for solute (n). It's critical to remember that its molarity is determined by the moles of the solute in liter fluid.

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The complete question is-

When using the method of initial rates for a kinetic study, the reaction is performed ____. One reactant concentration is kept constant, and the other _____.

Answer:

Derivation of Conservation of Momentum

Applying Newton's third law, these two impulsive forces are equal and opposite i.e. is equal to the change in momentum of the first object. is equal to the change in momentum of the second object. This relation suggests that momentum is conserved during the collision.

Explanation:

Hope it helps!!!

The amount of the inductive reactance (in ohms) for a coil that has an inductance of 83.8 mH if the frequency is 6.88 kHz is calculated as follows:We know that the inductive reactance is given by the equation:XL=2πfLWhere XL is the inductive reactance, f is the frequency of the alternating current and L is the inductance of the coil.

Substituting the given values, we have:XL=2πfL=2π × 6.88 × 10³ Hz × 83.8 × 10⁻³ H=3.464 π Ω≈ 10.89 ΩTherefore, the amount of the inductive reactance for a coil that has an inductance of 83.8 mH if the frequency is 6.88 kHz is approximately 10.89 ohms.

The above explanation can be represented in more than 100 words as follows:We have been given an inductance of 83.8 mH and a frequency of 6.88 kHz, and we have to find the amount of inductive reactance in ohms for the given coil.

The inductive reactance for the coil is given by the equation XL=2πfL where XL is the inductive reactance, f is the frequency of the alternating current, and L is the inductance of the coil.

Substituting the given values in the equation, we get XL=2πfL=2π × 6.88 × 10³ Hz × 83.8 × 10⁻³ H = 3.464 π Ω. Simplifying the above equation, we get XL ≈ 10.89 Ω.

the amount of inductive reactance for a coil that has an inductance of 83.8 mH if the frequency is 6.88 kHz is approximately 10.89 ohms.

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Answer:

they have the same slope

Explanation:

Answer:

Matter is made up of atoms.

Explanation:

Lola

Or Jasmine

Or lucy

Or Nightingale

Or Sugarcane

Or Polly

Or Heather

Some names I like!

The right response is a) True because a cart going along a track with its x-axis parallel to the track can only modify its x-coordinate.

If the cart is moving along a track with the x-axis parallel to the track, then the only coordinate that can change is the x-coordinate, since the y and z coordinates are fixed along the track.

The x-coordinate is a value that specifies the horizontal position of a point or object in a two- or three-dimensional space, relative to a reference point or axis. In a standard Cartesian coordinate system, the x-coordinate is the horizontal axis that runs from left to right. The x-coordinate is typically denoted by the letter "x" and is often used to represent the independent variable in mathematical equations or graphs.

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Answer:

Resistance, R = 2.5 Ohms

Explanation:

Given the following data;

Voltage = 10 V

Current = 4 A

To find the resistance;

Ohm's law states that at constant temperature, the current flowing in an electrical circuit is directly proportional to the voltage applied across the two points and inversely proportional to the resistance in the electrical circuit.

Mathematically, Ohm's law is given by the formula;

\( V = IR\)

Where;

V represents voltage measured in voltage.

I represents current measured in amperes.

R represents resistance measured in ohms.

Making resistance, R the subject of formula, we have;

\( R = \frac {V}{I} \)

Substituting into the equation, we have;

\( R = \frac {10}{4} \)

Resistance, R = 2.5 Ohms

Therefore, the resistance of the resistor in the electrical circuit is 2.5 Ohms.

ANSWER

EXPLANATION

The speed of a wave is given by the formula:

where λ = wavelength

f = frequency

Hence, the wavelength of the wave is:

Therefore, the wavelength of the sound wave is:

The answer is option B.

Scientists use a molecular clock as a tool to calculate how long it will take two species to evolve independently based on the variations in their DNA. This method is used by researchers to determine the approximate number of genetic mutations that take place between two closely related species and the average genetic mutation rate to determine when the two species split in prehistory.  

It utilises a Molecular Clock, a novel kind of clock. The molecular clock tracks the steady pace of change in an organism's genome (DNA or protein sequences of a particular gene) through time as opposed to seconds, minutes, and hours.

Animals, plants, fungi, and viruses are just a few of the many species of life that change at a consistent rate. Scientists can then construct phylogenetic trees portraying an ancient species that has developed or diverged from another by measuring these changes.

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Answer:

what graph?

Explanation:

please give the proper information

The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues.

The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound. The test get progressively faster as it continues until the student reaches their max lap score.

The PACER Test score is combined in the FitnessGram software with scores for muscular strength, endurance, flexibility and body composition to determine whether a student is in the Healthy Fitness Zone™ or the Needs Improvement Zone™.

Answer:

Projectile motion is a combination of horizontal and vertical motion. - The horizontal ... What are the horizontal and vertical components of the initial velocity? Round your ... A rock is thrown horizontally at a speed of 5.0 m/s from the top of a cliff 64.7 m high. The rock hits the ground 18.0 m from the base of the cliff.

Explanation:

The angular speed at the new position, 0.50 meters from the center, is 250 rad/s.

To find the angular speed at the new position, we can use the principle of conservation of angular momentum. The angular momentum of the system is constant.

The initial angular momentum of the child and the merry-go-round is given by:

Initial angular momentum = (mass of child × distance from center × angular speed) + (mass of merry-go-round × distance from center × angular speed)

Initial angular momentum = (25 kg × 5.0 m × 2.5 rad/s) + (200 kg × 5.0 m × 2.5 rad/s)

Simplifying the equation gives:

Initial angular momentum = 3125 kg·m^2/s + 25000 kg·m^2/s

Initial angular momentum = 28125 kg·m^2/s

At the new position, the child is 0.50 meters from the center. The final angular momentum is:

Final angular momentum = (mass of child × distance from center × angular speed) + (mass of merry-go-round × distance from center × angular speed)

Final angular momentum = (25 kg × 0.50 m × angular speed) + (200 kg × 0.50 m × angular speed)

Final angular momentum = 12.5 kg·m^2/s + 100 kg·m^2/s

Final angular momentum = 112.5 kg·m^2/s

Since angular momentum is conserved, we can equate the initial and final angular momenta:

Initial angular momentum = Final angular momentum

28125 kg·m^2/s = 112.5 kg·m^2/s

Simplifying the equation and solving for angular speed gives:

Angular speed at the new position = 28125 kg·m^2/s ÷ 112.5 kg·m^2/s

Angular speed at the new position = 250 rad/s

Therefore, the angular speed at the new position, 0.50 meters from the center, is 250 rad/s.

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The kinetic energy is 1800 J

The gravitational potential energy  is 1764 J

The maximum height is 1.8 m

Gravitational potential energy is the energy possessed by an object due to its position in a gravitational field. It is the energy that is stored in an object as a result of its position relative to a reference point, such as the surface of the Earth.

We know that;

Kinetic energy = 1/2 mv^2

= 0.5 * 100 * 6^2

= 1800 J

Given that;

mgh = 1/2mv^2

h = 0.5 *v^2/g

h = 0.5 * 6^2/9.8

h = 1.8 m

Thus the GPE is;

mgh = 100 * 9.8 * 1.8

= 1764 J

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Answer:

See below

Explanation:

x component =  90 cos 45 = 63.6 N

y component =  90 sin 45  = 63.6 N

Normally, materials are electrically neutral because there are equal numbers of positively charged particles and negatively charged particles, hence option D is correct.

Since there are exactly as many electrons in an atom as there are protons, the positive and negative charges "balance out," leaving atoms electrically neutral.

Neutrons are found in the nuclei of all atoms, with the exception of the majority of hydrogen atoms. Neutrons are electrically neutral, as opposed to electrically charged protons and electrons.

Therefore, due to having an equal number of positively charged particles and negatively charged particles materials are electrically neutral.

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Number 67.45 Units days.

The decay rate of a sample of a radioactive isotope falls to 0.60 of its initial rate. The half-life of the isotope is 210 days. We are required to determine how many days would it take for the decay rate of a sample of this isotope to fall to 0.60 of its initial rate.

Mathematical representation: Let 't' be the time period in days. At time 't', the decay rate of the sample is 0.60 times its initial rate. 0.60 = (1/2)^(t/210)The above equation is the half-life formula for the decay of a radioactive substance. It is based on the law of exponential decay. It helps us determine the time that it takes for the quantity of a radioactive substance to fall to half of its initial value. The solution of the equation is given by:t = (210/ln 2) log 0.60t = (210/0.6931) log 0.60t = (303.92) log 0.60t = 303.92 (-0.2218)t = -67.45The negative value of 't' is meaningless here. We reject it, because time cannot be negative. Therefore, the number of days it would take for the decay rate of a sample of this radioactive isotope to fall to 0.60 of its initial rate is 67.45 days approximately (rounded off to 2 decimal places).The units of time are 'days.'

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False. Both Mechanical Advantage (MA) and Velocity Ratio (VR) can depend on fractions when considering certain aspects of simple machines.

MA and VR are important concepts in physics that describe the performance of simple machines, such as levers, pulleys, and inclined planes. Mechanical Advantage is defined as the ratio of output force to input force. In some cases, this ratio can be represented as a fraction. For example, when using a lever with unequal arms, the ratio of the lengths of the arms can be expressed as a fraction, which affects the mechanical advantage. Velocity Ratio is the ratio of the distance moved by the effort to the distance moved by the load. In simple machines like pulleys and gear systems, the ratio of the number of teeth or the diameters of the gears or pulleys can be represented as a fraction, which impacts the velocity ratio. In summary, both MA and VR can be influenced by fractions, depending on the specific simple machine and the parameters being considered.

The term "mechanical advantage" describes how much or to what extent a force is amplified or increased by utilising a tool or a machine. It is possible to compute mechanical advantage as follows:

Height of Incline (HI) / Incline Length (LI)

Let's say I built a hedge that slopes 10 metres from point x to point y, which is the back of a truck. It's 5 metres from point y to the ground.

Suppose LI = 10 m and HI = 5 m.

10/5 = 2 is the mechanical advantage granted.

The effort distance is another name for the incline angle. According to our calculations, I saved effort by forgoing horizontal movement compared to what it would have taken to lift that object off the ground.

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Explanation:

they would formulate a new hypothesis with the same dependent variable but a different independent variable as a virginal hypothesis .

Answer:

a_max = 50 cm/s^2

Explanation:

To find the magnitude of the maximum acceleration of the particle, you take into account the equation of motion in a simple harmonic motion:

\(x=Acos(\omega t)\)

ω: angular velocity = 10 rad/s

A: amplitude = 5 cm

The acceleration is given by:

\(a=\omega^2 x\)

and the maximum acceleration is obtained when the cosine function is maximum, that is, when cos(wt) = 1. Then, you have:

\(a_{max}=\omega^2 x_{max}=\omega^2A\)

Then, you replace the values of w and A in order to calculate a_max:

\(a_{max}=(10rad/s)^2(5cm)=50\frac{cm}{s^2}\)

hence, the maximum acceleration is 50 cm/s^2

Answer:

amplitude

Explanation:

amplitude of a wave is the maximum displacement of a point from its rest position.

hope you get it,

The car's speed at the top is 0.6 m/s^2

The diameter of loop d = 40 mm

The radius of loop r = 20 mm = 0.02 m

At the top position, we can write,

Weight and Normal reaction combination will provide the centripetal force i.e.

R + W = mv²/R

R = W [apparent weight = Actual weight]

2W = 2mg = mv2/r

v = √2gr

v = 2 x 10 x 0.02 = 0.6 m/s^2

Hence, the car's speed at the top is 0.6 m/s^2

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Answer:

In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.

An arrow 'O' represents the change of state described above.

Matters exist majorly either as solids, liquids or gases. these are referred to as states of relying on. A change of state happens when a substance either takes in or launches power.

since the atoms of the substance lost strength and end up near collectively with the capability to slide beyond one another, the exchange of kingdom is from gaseous to liquid. And the technique is referred to as condensation (O). as a result the system is that of O, referred to as condensation.

One of the essential differences between gases and solids is the space between molecules; in gases the intermolecular areas are large, while in solids they're very small, making solids the maximum dense, with closely packed molecules. that is evident within the diagram, the section modified from gases to solids.

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Answer:

The answer for ingenuity is option N or arrow N

Explanation:

The linear speed of the clothes as a spin in the barrel is 102.1 m/s.

The linear speed of the clothes is the measure of the change of displacement of the clothes with time.

Mathematically, the formula for linear speed is given as;

v = ωr

where;

The angular speed of the wash machine is given as;

ω = 1950 rpm = 1950 rev/min x 2π rad/rev x 1 min/60 s = 204.2 rad/s

v = 204.2 rad/s x 0.5 m

v = 102.1 m/s

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Answer:

electrical- mechanical

Explanation:

Smartness 1,000

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The video screens in new cars that display maps and provide directions are made possible through GPS technology and advanced navigation systems. GPS global positioning system is a satellite-based navigation system that allows devices to determine their precise location and time information.

In a car, GPS technology is used in conjunction with navigation software to provide real-time mapping and directions. The navigation software uses a combination of GPS global positioning system data and information about roads, traffic, and points of interest to provide drivers with the most efficient route to their destination.

The video screen in the car displays the map and directions in a user-friendly format, allowing the driver to easily follow the route. The navigation system may also include voice instructions to guide the driver, reducing the need for the driver to take their eyes off the road. The use of GPS and advanced navigation systems has revolutionized the way we travel, making it easier and more convenient to navigate to new locations.

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