mass is conserved in a reaction if the of the initial reactant masses equals the of the masses of

C.) Only weight changes depending on the gravitational force.

The term gravitational force refers to the force that the earth exerts on a body. Examples of motion caused by gravitational force include the downward motion of water in a river, the downward motion of water in a stream, and the upward motion of a ball when it is thrown.

An equipment used to gauge gravitational acceleration is called a gravimeter. There is a gravitational potential for each mass. This potential's gradient acts as a force. This gravitational force is quantified by a gravimeter.

The size of this force is determined by the mass of each object and the separation of their centers.

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Answer:

Density, Color, and Luster.

Explanation:

Density, describes how compact the matter is in a substance. A bowling ball is more dense than a beach ball. Color - Describes how light reflects off a substance. Luster - Describes how shiny a substance is.

Answer:

The physical properties is hardness shape and color, I choose hardness because I have grabbed bowling balls before and they are very hard well there could be different types of bowling balls made of different things but I have never seen one or toughed a bowling ball that is not hard. Another physical property  I chose for the bowling ball was shape, The reason I chose shape was because the bowling ball is circle, the actual name for a 3-D circle is sphere. The last physical property for a bowling ball is color because mostly all bowling balls have color for example the one in the picture it is red with a little bit of pink, there is many different bowling balls that have different color different hardness but NOT different  shape. That is the physical properties of a bowling ball.

Explanation:

:)

The typical air bags from 1997 and 1998 automobiles are compared in Figure 1. The values depicted are the average of the information provided by 11 separate cars.

Inflation is a unit of measurement used to determine how much a group of goods and services have increased in cost over a given period of time, usually a year. Possibly one of the most well-known economics terms. Because of inflation, nations have gone through protracted periods of instability. In the field of economics, inflation refers to an increase in the overall cost of goods and services in a country.

The majority of economists concur that chronic excessive expansion in the money supply is the primary driver of high inflation and hyperinflation, both of which have profoundly disruptive consequences on the actual economy. John Taylor, a Stanford economist, claims that when the Federal Reserve sets an interest rate that is too low or when the expansion of the money supply is too rapid, inflation rises. As of right now, it is moving too quickly.

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Approximately, 37,481.5 Newtons of force was applied to the truck.

A force is a push or pull on an object with mass causes it to change its velocity. Force is an external agent capable of changing a body's state of rest or motion. It has a magnitude and a direction, so it is a vector quantity.

Mathematically, Force = mass x acceleration

but \(a=\frac{v-u}{t}\)

so, \(F = m\frac{v-u}{t}\)

\(F = 6900\frac{47-3}{8.1}\)

F = 6900(5.4)

F = 37,481.5N

In conclusion, the force applied to the freight truck was 37,481.5N.

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Measuring the pulsation period of an RR Lyrae variable star will reveal its astronomical distance.

An RR Lyrae star has a short pulsation period of 0.2 days to 1 day or within 5 to 24 hours. The period of pulsation of RR Lyrae variable is dependent on its mass, temperature and luminosity. Through the inverse square law, the difference between the measured luminosity allows the distance to be determined.

RR Lyrae's brightness also allows astronomers to measure changes in spectral type and detect emission lines present in the variable star.

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The exoplanet is 383.33 times more massive than Earth.

To compare the mass of the exoplanet to the mass of Earth, we can calculate the ratio of their masses:

mass ratio = (mass of exoplanet) / (mass of Earth)

mass ratio = (2.3 x 10^27 kg) / (6 x 10^24 kg)

mass ratio = 383.33

Therefore we can conclude that, the exoplanet is 383.33 times more massive than Earth.

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The distance di from the mirror where the image of the candle will form now is 40/3 cm.

The distance of the image of a candle placed at a distance from the mirror can be calculated using the mirror formula. The formula for a concave mirror is given by:

1/f = 1/v + 1/u,

where, f is the focal length of the mirror

u is the distance of the object from the mirror

di is the distance of the image from the mirror

In this problem, the object is the candle and it is placed at a distance do from the mirror. The image will be formed at a distance di from the mirror. Since the candle is still at a distance do from the mirror, the distance of the object u remains the same.

Using the mirror formula and substituting the given values, we get:

1/f = 1/v + 1/u

Where, f = -20 cm (negative because it is a concave mirror)

u = do = 40 cm (same as part b)

We need to find di.

Substituting the values in the mirror formula, we get:

1/-20 = 1/di + 1/40

Solving for di, we get:

di = 40/3 cm

Therefore, the distance di from the mirror where the image of the candle will form now is 40/3 cm.

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Answer:

The workdone by the Frictional force is 10. 26 Joules.

Explanation:

Parameters: Frictional force = 3.8 N

Distance = 2.7m

Workdone = ? Joules

Workdone = Frictional force × Distance travelled

= 3. 8 × 2. 7

= 10.26 Joules.

The workdone by the frictional force when brought to rest after travelling a distance of 2. 7m is 10. 26 Joules.

Answer:

When we burn wood we are releasing solar energy, in the form of heat, that has been stored in the wood as chemical energy. The process of photosynthesis converted solar energy, water and carbon dioxide into oxygen and the organic molecules that form the wood, half the weight of which is carbon.

Explanation:

The magnitude of the angular acceleration of the centrifuge is approximately 68.7 rad/s^2.

To solve this problem, we can use the formula for the angular displacement of an object

θ = ω_i t + 1/2 α t^2

where θ is the angular displacement, ω_i is the initial angular velocity, α is the angular acceleration, and t is the time.

In this case, we know that the initial angular velocity ω_i is 3,800 rev/min. To use this in the formula, we need to convert it to radians per second

ω_i = (3800 rev/min) x (2π rad/rev) x (1/60 min/s) = 397.89 rad/s

We also know that the final angular velocity ω_f is 0, since the centrifuge comes to rest. Therefore, we can use the formula for the final angular velocity in terms of the initial angular velocity, angular acceleration, and time

ω_f = ω_i + α t

Since ω_f is 0, we can solve for the time it takes for the centrifuge to come to rest

0 = ω_i + α t

t = -ω_i / α

We also know that the angular displacement of the centrifuge is 48 revolutions, or 96π radians (since 1 revolution = 2π radians). Plugging in the values we know and solving for α, we get

96π = (397.89 rad/s) (-397.89/α) + 1/2 α (-397.89/α)^2

96π = -397.89^2/α + 1/2 α (-397.89)^2/α^2

96π = -397.89^2/α + 1/2 (-397.89)^2/α

α = 397.89^2 / (2 x 96π)

α ≈ 68.7 rad/s^2

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Answer:

the answer is semidiurnal

Answer:

I think it is semi-diurnal :)

Hope this helps!!

Have a great day!!

Please rate and mark brainliest!!

Answer:

four times the

Explanation:

...........

Answer:

600 volts

Explanation: just do 4.5x10^-5c lol i hope this helps if it dont im so sorry

A spring of force constant 120 N/m acted up by a constant force of 240N. Then, the elastic potential energy stored in the spring is 240 Nm.

The elastic potential energy stored in the spring is formulated as follows

                                                 PE = ½kx²

Where PE is the elastic potential energy, x is the displacement of the spring from its equilibrium position, and k is the spring force constant.

In this question, the spring force constant is 120 N/m, and the constant force acting on the spring is 240 N. To find the spring displacement, we can use the formula:

F = kx

Where F is the force acting on the spring, x is the displacement, and k is the force constant,

So that:

F = kx

240 N = 120 N/m . x

x = 240 N/120 N/m

x = 2 m

Once x is known, then we can calculate the potential energy of the spring:

PE = ½kx²

PE = ½ (120) (2²)

PE = 60 x 40

PE = 240 Nm

So, the elastic potential energy stored in the spring is 240 Nm.

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Answer:

acceleration = 3v 125 m/s^

final speed= 50 m/s

final speed in km/hr = 180 km/hr

Explanation:

A new model BMW can start from rest and travel 400 m in 16 s.then the acceleration during this time would be  1.5625 m/s²

There are three equations of motion given by  Newton

The first equation is given as follows

v = u + at

the second equation is given as follows

S = ut + 1/2×a×t²

the third equation is given as follows

v² - u² = 2×a×s

As given in the problem, A new model BMW can start from rest and travel 400 m in 16 s

distance covered by BMW  = 400meters

initial velocity(u) = 0 m/s

time = 16 seconds

acceleration(a) =? m/s²

By using the second equation of motion given by newton

S = ut + 1/2at²

S = 400 m ,u= 0 m/s , and t =16seconds

400  = 0 + a16²

a =400/256

a = 1.5625 m/s²

For the final speed of the car

v= u + at

v = 0 + 1.5625×16

v = 25 m/s

For calculating the speed in km /h

v = 25 ×3600/1000

 = 90 km/h

Thus, the acceleration during the first 16 s  time would be  1.5625 m/s²

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The unit of measurement used for Electric Potential is Volt (V). Therefore, option e, V, is the correct answer.

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a) The motion of the object between 15 s to 30 s is increasing velocity, to a constant velocity and finally a decreasing velocity.

(b) The average velocity of the object between 0 and 15 seconds is 0.167 m/s.

(c) The position of the object at 5.0 seconds is 0.5 m.

(d) Between 30 and 40 seconds, the velocity of the object is decreasing and the object is decelerating.

(a) The motion of the object between 15 s to 30 s can be described as increasing velocity, to a constant velocity and finally a decreasing velocity.

(b) The average velocity of the object between 0 and 15 seconds is calculated as;

average velocity = total displacement / total time

average velocity = (2.5 m - 0 m ) / ( 15 s - 0 s ) = 0.167 m/s

(c) The position of the object at 5.0 seconds is calculated as follows;

at 5.0 seconds, the position of the object is traced from the graph as 0.5 m.

(d) The motion of the object between 30 and 40 seconds is calculated as;

velocity = ( 0 m - 4 m ) / ( 40 s - 30 s ) = - 0.4 m/s

Between 30 and 40 seconds, the velocity of the object is decreasing and the object is decelerating.

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The angular speed of the ride is 0.533π rad/s.

The speed of an object, which is a scalar quantity in everyday usage and kinematics, is the size of the change in that object's position over time or the size of the change in that object's position per unit of time.

Given that, to complete one rotation the ride takes 3.75 sec.

The angle traversed in one revolution is 2π.

In physics, the rotational velocity or angular velocity also referred to as the angular frequency vector, is a pseudovector that illustrates how quickly an object's angular position or orientation changes over time.

The formula of angular speed is  ω = θ /t

Here  θ = 2π and  t = 3.75

The angular speed is

ω = 2π/3.75

ω = 0.533π rad/s

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Answer:

the part of heating of corresponds to showing how the temperature changes as a substance for a constant rate

let me know if you need any details

answer the liquid phase which is segment c explanation to quiz

Answer:

B.  10 m

Explanation:

f = v/λ = (20 m/s)λ / (5 m) = 4 Hz    original frequency

1/2(4 Hz) = 2 Hz   half the original frequency

(20 m/s) / λ = 2 Hz

λ = (20 m/s) / (2 Hz) = 10 m

The second wavelength would increase to 10 m

Answer:

The truck because it has more weight to slow it down also it's only going 10mph

The Ferrari with less momentum will stop first.

The given parameters:

The momentum of each vehicle is calculated as follows;

P1 = m1v1 = 4535924 x 4.47 = 20,275,580.28 kgm/s

P2 = m2v2 = 1474.175 x 111.76 = 164,753.8 kgm/s

\(Ft = mv\\\\t = \frac{mv}{F}\)

When the same force is applied, the object will less momentum will stop first.

Since the vehicle less momentum will stop first, thus we can conclude that the Ferrari with less momentum will stop first.

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Answer:

A chemical change occurred, so even if Cash heats it, the white solid will remain

Explanation:

There are two types of changes that occur in Chemistry viz; physical change and chemical change. Physical changes are those changes do not involve any change in the chemical composition of the substances involved while a chemical change involves a change in chemical composition.

In a chemical change, there are characteristics signs such as formation of gaseous bubbles, solid precipitates etc. as the information in this question depicts. According to this question, Cash mixes two clear liquids together which results in the formation of bubbles and a white solid that settles at the bottom. Hence, THIS REPRESENTS A CHEMICAL CHANGE

Most chemical changes are usually irreversible i.e. they don't return to their original form. Hence, even if Cash heats it, the white solid will remain.

Answer:

A chemical change occurred, so even if Cash heats it, the white solid will remain

Δp = √(p²- p²) for momentum. h²α/m - 2h²α²/m = E α and the energy E. Δx = √(x² - x²) for wavefunction.

(a) To write the complete Schrodinger equation, we need to consider the time-independent Schrodinger equation for the harmonic oscillator:

Hψ = Eψ,

where H is the Hamiltonian operator given by H = -h²/2m(d²/dx²) + (1/2)mω²x².

Applying the Hamiltonian operator to the wavefunction ψ₀(x), we have:

Hψ₀ = (-h²/2m)(d²/dx²)(A₀e(-αx²)) + (1/2)mω²x²(A₀e(-αx²)).

Simplifying this equation gives:

Hψ₀ = (-h²/2m)(-2αA₀e(-αx²) + 4α²x²A₀e(-αx²)) + (1/2)mω²x²A₀e(-αx²).

We can further simplify this expression:

Hψ₀ = (h²α/m - 2h²α²x²/m + 1/2)mω²x²A₀e(-αx²).

Comparing this equation to the Schrodinger equation Hψ = Eψ, we can see that the terms in the brackets must cancel out, resulting in the following:

h²α/m - 2h²α²/m = E.

α and the energy E.

(b) To calculate x, x², and Δx, we need to evaluate the corresponding integrals using the wavefunction ψ₀(x):

x = ∫ x ψ₀(x)² dx,

x² = ∫ x² ψ₀(x)² dx,

Δx = √(x² - x²).

(c) To calculate p, p², and Δp, we need to express the momentum operator in terms of x and perform the integrals:

p = -ih(d/dx),

p = ∫ ψ₀×(x) p ψ₀(x) dx,

p² = ∫ ψ₀×(x) p² ψ₀(x) dx,

Δp = √(p²- p²).

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Answer: He is usining

Gravity,Drag, Tension, Direction

Explanation: please give me brainliest

Answer:

D

Explanation:

because the slope decreases

Answer:

Should be D the correct answer

Explanation:

Answer:

Assumption: the acceleration of this vehicle is constant until it comes to a stop.

Acceleration: \((-2)\; \rm m\cdot s^{-2}\).

The acceleration of this vehicle is negative because the velocity of this vehicle is decreasing over time.

Explanation:

Assume that the acceleration of this vehicle, \(a\), is constant. The SUVAT equations would apply.

The time \(t\) required for braking is neither given nor required. Hence, make use of the SUVAT equation \(v^{2} - u^{2} = 2\, a\, x\) to relate \(u\), \(v\), \(a\), and \(x\!\).

Rearrange this equation to find an expression for \(a\), the acceleration of this vehicle:

\(\begin{aligned}a &= \frac{v^{2} - u^{2}}{2\, x} \\ &= \frac{(0\; \rm m\cdot s^{-1})^{2} - (10\; \rm m \cdot s^{-1})^{2}}{2\times (25\; \rm m)} \\ &= \frac{0^{2} - 10^{2}}{2 \times 25}\; \rm m \cdot s^{-2} \\ &= -2\; \rm m\cdot s^{-2}\end{aligned}\).

Acceleration is the rate at which velocity changes over time.

The velocity of the vehicle in this question is getting smaller over time. Hence, the rate of change of the velocity of this vehicle (that is, the acceleration of this vehicle) would be a negative number.

Answer:

3N to the right

Explanation: