two objects collide under conditions where total momentum is conserved. is the momentum conserved for each object?

The ball would be hit if it was hit at an angle of 25° and a velocity of 80 mph, it will travel 1-8m.

The definitiοn οf velοcity is the rate at which a bοdy mοves in a particular directiοn. Velοcity is the rate at which a distance changes in relatiοn tο time. A vectοr quantity with bοth magnitude and directiοn is velοcity.

The amοunt οf matter in a bοdy is referred tο as its mass. The kilοgramme is the kilοgrams, which is the SI unit οf mass (kg). Mass is defined as: Mass = Density/Vοlume.

Therefοre, ball wοuld be hit if it was hit at an angle οf 25° and a velοcity οf 80 mph, it will travel 1-8m.

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Answer:

8hours

Explanation:

240/30 = 8

The equation Jerry should use for the total resistance in a series circuit is R = R₁ + R₂ + R₃.

option A.

In a series circuit, all components are connected end-to-end, forming a single path for current flow.

A series circuit can contain any combination of resistors, capacitors, and inductors.

In a series circuit, the current flowing in each circuit component is the same  and the voltage drop in each circuit component is different.

Based on this, the total formula for the total resistance in a series circuit is given as;

R = R₁ + R₂ + R₃

where;

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Answer:

I believe its inference

Explanation:

An equal amount of charge flows out of the opposite plate for every charge that enters and builds up on the first plate. The capacitor appears to be conducting current as a result.

In most metals, current is made up of moving electrons, therefore conventional current traveling downhill indicates true upward electron movement.

A capacitor is a device that can store electrical energy. It is made by taking two electrical conductors (items that allow electricity to flow through them) and separating them with an insulator (a substance that doesn't let electricity flow very well). The terms charging and discharging refer to the addition of electrical energy to and removal of energy from capacitors, respectively.

The capacitance of a capacitor determines how much electrical energy it can store. A capacitor's capacitance can be compared to a bucket's volume: a larger bucket can hold more water, while a larger capacitance allows a capacitor to store more electricity. There are three methods for increasing a capacitor's capacitance. The first is to make the plates larger. The plates could also be brought closer to one another. Making the dielectric as effective an insulator as you can is the third method. Diverse materials are used as dielectrics in capacitors. In transistor radios, a sizable variable capacitor with nothing but air in between its plates performs the tuning function.

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0.07 percent of the electron's initial kinetic energy is lost as it travels through the 5.00 mm long electric field.

The electric force on an electron in an electric field is given by the equation:

F = qE

where F is the force, q is the charge of the electron, and E is the electric field strength.

The work done by the electric field on the electron as it travels through a distance d is given by the equation:

W = Fd

where W is the work done and d is the distance traveled.

The change in kinetic energy of the electron is equal to the work done by the electric field, i.e.,

ΔK = W

The initial kinetic energy of the electron is given by the equation:

K1 = (1/2)mv1²

where m is the mass of the electron and v1 is its initial speed.

The final kinetic energy of the electron after traveling through the electric field is given by the equation:

K2 = (1/2)mv2²

where v2 is the final speed of the electron.

Since the electron is too small to stop in the electric field, we know that its final speed is still positive. Therefore, the change in kinetic energy can be expressed as:

ΔK = K1 - K2

Substituting the given values, we get:

K1 = (1/2)(9.11 x \(10^{-31}\) kg)(5.00 x \(10^8\) cm/s)² = 1.14 x \(10^{-16}\) J

F = qE = (-1.60 x \(10^{-19}\) C)(1.00 x 10³ N/C) = -1.60 x \(10^{-16}\) N

d = 5.00 mm = 5.00 x \(10^{-3}\) m

W = Fd = (-1.60 x \(10^{-16}\) N)(5.00 x \(10^{-3}\) m) = -8.00 x \(10^{-20}\) J

ΔK = K1 - K2 = -W = 8.00 x \(10^{-20}\) J

The percentage of the electron's initial kinetic energy that is lost in the electric field is given by the equation:

ΔK = (ΔK / K1) x 100

Substituting the calculated values, we get:

ΔK = (8.00 x \(10^{-20}\) J / 1.14 x \(10^{-16}\) J) x 100 ≈ 0.07

Therefore, approximately 0.07 percent of the electron's initial kinetic energy is lost as it travels through the 5.00 mm long electric field.

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The question is -

An electron with a speed of 5.00 x10^8 cm/s enters an electric field of magnitude 1.00 x10^3 N/C, traveling along the field in a direction that reverses its motion. If, instead, the region of the electric field is only 5.00 mm long (too small for the electron to stop), what percentage of the electron's initial kinetic energy will be lost in that region?

Answer:

Option B seems to be the appropriate choice,

Explanation:

The given question is incomplete. Please find the attachment of the complete question.

As a consequence, the vegetation is electric current polarized because as activated bee pursued.

Answer:

Divide by the number 100

Explanation:

Since there are 100 centimeters in 1 meter, we can see that if you are given a number in centimeters, the number of meters is that number divided by 100. Hope this helps!

Answer:

Divide by 100

Explanation:

Thus, simulated freefall is a method of creating zero gravity conditions by allowing a spacecraft to travel in orbit, resulting in a constant state of freefall. During this process, the gravitational pull of the Earth and the centripetal force generated by the spacecraft’s motion are balanced, resulting in a state of weightlessness or zero gravity inside the spacecraft.

Simulated free fall is a process that is used to create zero gravity conditions in space. It is done by allowing a spacecraft to travel in an orbit, which results in a constant state of freefall. The conditions in a spacecraft during a simulated freefall are similar to those in a state of zero gravity. In simulated freefall, the spacecraft moves at a speed that allows it to remain in orbit while constantly falling towards the Earth. During this process, the gravitational pull of the Earth and the centripetal force that is generated by the spacecraft’s motion are balanced. This balance results in a state of weightlessness or zero gravity inside the spacecraft. In addition to being used for research and experimentation, simulated freefall is also used to train astronauts for spaceflight. By creating a zero gravity environment on Earth, astronauts can get a feel for what it will be like to work and live in space. They can practice tasks such as moving around and handling equipment, which are much different in zero gravity than they are on Earth.

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Increasing the vapor pressure of a liquid can be achieved by increasing the temperature. When the temperature of a liquid is raised, the kinetic energy of its molecules also increases.

As a result, more molecules gain sufficient energy to transition from the liquid phase to the vapor phase, leading to an increased vapor pressure. This relationship is described by the Clausius-Clapeyron equation, which states that vapor pressure is directly proportional to temperature. The options presented are: A) use a nonvolatile compound, B) increase the temperature, C) increase the viscosity, D) establish dynamic equilibrium, and E) all of the above. Among these options, only increasing the temperature directly promotes an increase in vapor pressure. Using a nonvolatile compound or increasing the viscosity would have the opposite effect, as they hinder the evaporation process and reduce vapor pressure. Establishing dynamic equilibrium refers to a balanced rate of evaporation and condensation, which does not inherently increase vapor pressure. Therefore, the correct answer is B) increase the temperature.

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Answer:

LOL! couldnt be me either bestieeeee

Answer:

-_-

Explanation:

i dont know What was XD??

In the freezing physical change, when 210.0 g of water a 0 degrees freezes into ice, it gives off 71.0 kJ of heat.

It is a physical change in which liquids give off heat to form solids.

We have 210.0 g of water at 0°C. We can calculate the amount of heat given off when it freezes into ice using the following expression.

Q = ΔH°fus × m

Q = 0.334 kJ/g × 210.0 g = 70.1 kJ

where,

In the freezing physical change, when 210.0 g of water a 0 degrees freezes into ice, it gives off 71.0 kJ of heat.

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Answer:

Copper's composition does not change as its shape changes, hence it is a physical feature.

Explanation:

Answer:Comparison of the embryological development of different species also reveals similarities that show relationships not evident in the fully-formed anatomy.

Explanation:

Comparison of the embryological development of different species also reveals similarities that show relationships not evident in the fully-formed anatomy.

(Have a great day :D)

Answer:

there is the answer

Explanation:

Newton's second law of motion pertains to the behavior of objects for which all existing forces are not balanced. The second law states that the acceleration of an object is dependent upon two variables - the net force acting upon the object and the mass of the object. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object. As the force acting upon an object is increased, the acceleration of the object is increased. As the mass of an object is increased, the acceleration of the object is decreased.

Answer:

it's A

Explanation:

it's A because the ph level of water is just the level of the water if it's acidic or just a base

Answer:

A watt (W) is a joule (J) of energy used or produced per second. In 2010, the average US power use was 3.3 terawatts, or 3,300,000,000,000 watts. A horsepower is a unit of power. 1 horsepower (hp) is 745.7 watts.

extra info

How many watts does it take to make 1 horsepower?

746 watts !

One electric horsepower is equal to exactly 746 watts.

can someone help me with my qustions :(

The neutron number can be calculated by subtracting the atomic number from the mass number. In this case, 54 - 23 = 31. Therefore, the neutron number is 31.
To determine the element identity, we need to find the element with a mass number of 54 and a proton number of 23. This can be done by looking at the periodic table. Based on these numbers, we know that the element has 23 protons, which places it in the 23rd position on the periodic table. The element with the atomic number 23 is vanadium (V). Therefore, the element identity is vanadium (V).
In summary, for an element with a mass number of 54 and a proton number of 23, the neutron number is 31 and the element identity is vanadium (V).
To determine the neutron number and element identity, you can use the given mass number (A) and proton number (Z).
1. Neutron number:
Neutron number = Mass number (A) - Proton number (Z)
Neutron number = 54 - 23
Neutron number = 31
2. Element identity:
Since the proton number (Z) is also the atomic number, you can use it to identify the element. With an atomic number of 23, the element is Vanadium (V).
In summary, for the element X with mass number 54 and proton number 23, the neutron number is 31, and the element is Vanadium (V).

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Two stars with the same mass number can be different in their luminosity, life time and distance with respect other stars and planets.

Stars are spatial objects with brightness and are made of gases and dust. The major part of stars are hydrogen and helium gases. There are trillions of stars for each galaxies in the universe.

The energy formed inside the stars is from  the nuclear fusion of hydrogen nuclei forming helium nuclei releases tones of heat and light energy. The light and heat energy produced from each stars differ.

The luminosity or brightness of stars with same mass will be different. The life time of each stars also differ from other stars.

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The approximate radius is 3.704 x 10⁻¹⁵ meters. The approximate volume is 2.166 x 10⁻⁴³ cubic meters. The density cannot be determined without the mass of the nucleus.

The radius, volume, and density of the Cu nucleus can be approximated using the given information.

a) To find the approximate radius of the Cu nucleus, we need to consider the atomic number of Cu, which is 29. The atomic number represents the number of protons in the nucleus. In a neutral atom, the number of protons is equal to the number of electrons.

The radius of a nucleus can be estimated using the formula:
radius = r0 x A^(1/3),

where r0 is a constant (approximately 1.2 x 10⁻¹⁵ meters) and A is the atomic mass number. In this case, A is equal to the atomic number, which is 29 for Cu.

Therefore, the approximate radius of the Cu nucleus is:
radius = 1.2 x 10⁻¹⁵ x 29^(1/3) = 1.2 x 10⁻¹⁵ x 3.087 = 3.704 x 10⁻¹⁵meters.

b) The volume of a nucleus can be calculated using the formula for the volume of a sphere:
volume = (4/3) x π x radius³.

Substituting the approximate radius value we found earlier, we get:
volume = (4/3) x π x (3.704 x 10⁻¹⁵)³ ≈ 2.166 x 10⁻⁴³ cubic meters.

c) To find the density of the Cu nucleus, we need to know its mass. However, the question does not provide information about the mass of the nucleus. Therefore, we cannot determine the density without this information.

In conclusion, for the given Cu nucleus:
(a) The approximate radius is  3.704 x 10⁻¹⁵  meters.
(b) The approximate volume is 2.166 x 10⁻⁴³ cubic meters.
(c) The density cannot be determined without the mass of the nucleus.

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The total heat needed to raise 4 moles of ethanol from 72°C to 90°C is equal to 257.2 KJ.

The specific heat of a substance can be defined as the amount of heat needed to raise the temperature in 1 unit of substance by one-degree Celcius.

Q = mCΔT

The heat needed to raise the ethanol from 72°C to a boiling point of 78°C will be:

Q₁ = 4 × 0.110 × (78°C - 72°C)

Q₁ = 33.6 KJ

To calculate the heat needed to evaporate the ethanol is:

Q₂ = 4 × 43.3

Q₂ = 173.2 kJ/mol

The heat needed to raise the ethanol vapor from 78°C to 90°C. is equal to:

Q₃ = 4 × 0.78 × (90°C - 78°C)

Q₃ = 50.4 KJ

Therefore, the total heat needed to raise 4 moles of ethanol from 72°C to 90°C will be:

Q = 33.6 kJ + 173.2 kJ + 50.4 kJ

Q = 257.2 kJ

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The average force on the squid during the ejection of 0.60 kg of water at a velocity of 15.0 m/s in 0.15 seconds is 60 N.              

We can calculate the average force with the average acceleration as follows:

\( F = m\overline{a} \)   (1)

Where:

The average acceleration is given by the change of velocity in an interval of time

\( \overline{a} = \frac{v_{f} - v_{i}}{t_{f} - t_{i}} \)   (2)

Where:

Now we can find the average force after entering equation (2) into (1)

\( F = m(\frac{v_{f} - v_{i}}{t_{f} - t_{i}}) = 0.60 kg(\frac{15.0 m/s - 0}{0.15 s}) = 60 N \)  

Therefore, the average force on the squid during the propulsion is 60 N.

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I hope it helps you!

The force needed to stretch a wire depends on its properties, specifically its Young's modulus, cross-sectional area, and the amount of stretch applied.

Assuming that the wires have the same Young's modulus and are stretched by the same amount, we can use the following formula to calculate the force needed:

F = (Y * A * delta_L) / L

where F is the force needed, Y is the Young's modulus, A is the cross-sectional area, delta_L is the amount of stretch applied, and L is the original length of the wire.

Since the second wire is twice as long and has twice the diameter of the first wire, its cross-sectional area is four times greater than the first wire. Therefore, we can calculate the force needed for the second wire as follows:

F_2 = (Y * 4A * delta_L) / (2L)

F_2 = (2Y * A * delta_L) / L

where F_2 is the force needed for the second wire.

Since the second wire has the same material and Young's modulus as the first wire, we can simplify the equation further:

F_2 = 2F_1

where F_1 is the force needed to stretch the first wire by the same amount.

Therefore, the force needed to stretch the second wire by 1.0 mm is twice the force needed to stretch the first wire by the same amount.

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The y-component of the vector is 4.97 m.

A vector is a quantity that has both magnitude and direction.

To calculate the y-component of the vector in the diagram above, we use the formula below.

Formula:

From the question,

Given:

Substitute these values into equation 1

Hence, the y-component of the vector is 4.97 m.

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Answer:

16 m/s.

Explanation:

The following data were obtained from the question:

Mass of truck = 5000 Kg

Velocity of truck = 8 m/s

Mass of car = 2500 kg

Velocity of car =..?

Next, we shall determine the momentum of the truck. This can be obtained as follow:

Mass of truck = 5000 Kg

Velocity of truck = 8 m/s

Momentum of truck =.?

Momentum = mass × velocity

Momentum = 5000 × 8

Momentum of the truck = 40000 Kg.m/s

Finally, we shall determine the velocity of the car as follow:

From the question given above, we were told that the car and truck has the same momentum.

This implies that:

Momentum of the truck = momentum of car = 40000 Kg.m/s

Thus, the velocity of the car can be obtained as shown below:

Mass of car = 2500 kg

Momentum of the car = 40000 Kg.m/s

Velocity of car =..?

Momentum = mass × velocity

40000 = 2500 × velocity

Divide both side by 2500

Velocity = 40000/2500

Velocity = 16 m/s

Therefore, the velocity of the car is 16 m/s.

Answer:

the distance the ball travels

Explanation:

the idenpendent variable  is what the cause is the  dependent  is the effect

Explanation:

t=2s

u=10

v=5

a=?

v=u+at

5=10+2a

2a=-5

a=-2.5

Answer:

30Kg

Explanation:

Weight = mass x gravitational field strength

300 = mass x 10

mass = 30kg

gravitational field strength is 9.8 on earth but normally we take it to be 10 for easy reference and calculations

The mass will be "30 kg". A further solution is provided below.

According to the question,

Weight,

We know that,

Gravitational field strength,

The mass will be:

→ \(Weight = Mass\times Gravitational \ field \ strength\)

or,

→ \(Mass = \frac{Weight}{Gravitational \ field \ strength}\)

By putting the values, we get

→           \(= \frac{300}{10}\)    

→           \(= 30 \ kg\)

Thus the above solution is right.

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