Define Impulse And Momentum

Plsss Answer Now I Need Now​

Answer:

The pressure of the gas will increase

Explanation:

When gas is put into a container, for example, a balloon, the gas expands to fill the space it can occupy. Since gas is not a solid or a liquid, its particles are all over the place - they are constantly moving and vibrating. As such, when too much gas is blown into a balloon, it will pop. So, when the volume of the container decreases, the pressure of the gas will increase the smaller it gets. Vice versa, the greater the space, the less pressure that will be present in the container.

pH water = 7 = [H⁺] = 10⁻⁷

Mr. Galonski one hundred times more acidic than water = 100 times more H⁺ = 10⁻⁵ ⇒ pH = 5

Baron von Base has a pH of 11

The furthest from neutral (pH=7) on the pH scale = Baron von Base

Answer:

60

Explanation

Dont judge me but I convert 1.3 hours to 78 minutes, then divide with 3.0 and we end up with 60C

The amount of charge that passes through a 3.0 amp television in 1.3 hours would be 14040 Coulombs.

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge.

I = Q / T

As given in the problem, we have to find out what amount of charge passes through a 3.0 amp television in 1.3 hours.

Let us first convert the time period of hours into seconds

1 hour = 3600 seconds

1.3 hours = 1.3 × 3600 seconds

               =  4680 seconds

By using the above relation between electric current and electric charge

and by substituting the respective values of the charge and the time period

I = Q / T

3 = Q / 4680

Q = 3 × 4680

   = 14040 Coulombs

Thus, the amount of charge that passes through a 3.0 amp television in 1.3 hours would be 14040 Coulombs.

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A spring-loaded ballistic cart is in contact with a second cart. The velocity of the other cart is 0.25 m/s.

When there is no external force acting on the system, the initial momentum is equal to the final momentum.

Momentum is equal to the product of mass and its velocity.

According to the conservation of linear momentum,

m₁v₁ +m₂v₂ = m₁u₁ +m₂u₂

u and v represents the initial and final velocity. 1 and 2 represents the first and second cart.

Given is m₁ = 0.5 kg, m₂ =0.8kg, u₁ =u₂ =0 m/s and v₁ = 0.4 m/s.

Substituting the values in the conservation of momentum equation, we get the velocity of second cart is

0.5 x 0.4 + 0.8 x v₂ = 0.5 x 0 + 0.8 x 0

v₂ = +0.25 m/s (in the direction of first cart)

Thus,  the velocity of the other cart is 0.25 m/s.

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Answer:

Length -> meter

Mass -> kilogram

Time -> second

g for gram

mg for milligram

t for time

μm for micrometer

ms for millisecond

300cm = 3m

500g = 0.5kg

1500m = 1.5km

250ms = 0.25s

3.65×10^4g = 36.5kg

The energy per second received by an eardrum will be 5.03×10⁻⁵ J/sec. The energy denotes the sound energy for the eardrum.

The passage of vibrations through matter is characterized as sound energy. When an item vibrates, sound energy is created, resulting in noise.

Sound vibrations induce pressure waves to flow through a material like air, water, wood, or metal.

The threshold of hearing is,5×10⁻¹⁷ sec.

The energy per second received by the eardrum is found by the formula as;

[tex]\rm E_T = Area \times thresold \\\\ \rm E_T = \pi (4 \times 10^{-3})^2 \times 1 \times 10^{-12} \\\\ E_T =5.03 \times 10^{-17}\\\\[/tex]

Hence, the energy per second received by an eardrum will be 5.03×10⁻⁵ J/sec

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Answer:

initially- with positive potential differences - the current is directly proportional to the p.d. However, as the current through the filament increases, the heating effect caused in the lamp also increases and so the temperature of the filament rises. This increase in the filament's temperature also increases the resistance of the filament. As a result the rate of increase of the current decreases and a greater change in the potential difference is required to cause a change in the current. This can be seen on the curve as the gradient becomes more shallow (greater resistance). This same pattern is repeated when a negative potential difference is applied across the filament

you cant what done is done unless you start over. well think of a game it is its own dimension created by man for our entertainment but its not perfect there are glitches and modifications. but you are not the main character only one is and He gives us our own controler our brain. but if your athiest then ask me in the comments. i can explain both ways

Answer:

The world as we know it has three dimensions of space—length, width, and depth—and one dimension of time. But there's the mind-bending possibility that many more dimensions exist out there. According to string theory, one of the leading physics models of the last half-century, the universe operates with 10 dimensions. A dimension arises when a force is generated that allows movement into a new domain. Yes, I personally do believe in them for reasons I can't explain. Dimensional shifts were a phenomenon whereby an object or person is transported from one location to another via folded-space transport or shifted to a parallel universe on a different dimensional plane.

Explanation:

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Answer:

number 1 is ( Some objects fall faster than other objects due to air  resistance . If there is no air resistance , then all objects will fall at the same rate.)  number two is (How do parachutes use air resistance to help skydivers land safely (page 3)? The air resistance overwhelms  the doward force of gravity.) Explanation:

The value of change in kinetic energy, when fish with mass 0. 65 kg is leaping to the right at 15 m/s, is 93.1 J.

Kinetic energy is a type of energy, which a body is posses due to its motion. The kinetic energy of a body can be found with the following formula,

[tex]KE=\dfrac{1}{2}mv^2[/tex]

Here, (m) is the mass of the body, and (v) is the speed of the body.

When the two objects collides, then the initial collision of the two body is equal to the final collision of two bodies by the law of conservation of momentum.

[tex]m_1u_1 + m_2u_2 = (m_1+m_2)v[/tex]

Here, (m) is the mass, (u) is initial velocity before collision, v is final velocity after collision and (subscript 1,2) are used for fish 1 and 2.

The mass of the first fish is 0. 65 kg. This fish leaping to the right at 15.0 m/s collides inelastically with another fish with mass 0.950 kg leaping to the left at 13.5 m/s. Put the values,

[tex]m_1u_1 + m_2u_2 = (m_1+m_2)v\\0.65\times15 +0.95\times(-13.5) = (0.65 + 0.95)\times v[/tex]

The value of initial velocity of the second fish is taken negative as it is leaping to the left.

[tex]0.65\times15 +0.95\times(-13.5) = (0.65 + 0.95)\times v\\v=-\dfrac{3.075}{1.6}\\v=-1.9219\rm\; m/s[/tex]

This is the final velocity. Now to find the change in kinetic energy use the formula of kinetic energy,

[tex]\Delta KE=\dfrac{1}{2}(0.65)(12-(-1.9219))^2\\\Delta KE=93.1\rm\; J[/tex]

Thus, the value of change in kinetic energy, when fish with mass 0. 65 kg is leaping to the right at 15 m/s, is 93.1 J.

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The dust, accumulated at the time of the formation of the solar system that are  preserved in asteroids, meteoroids, and meteorites are called chondrules.

The solar system is composed of the earth and the planets. The solar system was formed millions of years ago.

The dust, accumulated at the time of the formation of the solar system that are  preserved in asteroids, meteoroids, and meteorites are called chondrules.

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The amount of exhaust heat discharged per hour from the plant which produces electric energy at the rate of 1. 5 gw, is 9.36×10¹⁹ J/h.

The heat is discharged per hour is equal to the different of total power and actual power.

The plant produces electric energy at the rate of 1. 5 gw. Let assume the efficiency of this power plant is 64% between the temperature of 660 degree C to 330 degree Celsius.

Thus, the maximum efficiency is,

[tex]\eta_{max}=1-\dfrac{660+273}{330+273}\\\eta_{max}=0.55[/tex]

The total power is,

[tex]P_t=\dfrac{P_A}{\eta_{max}\times0.64}\\P_t=\dfrac{1.5}{0.55\times0.64}\\P_t=4.26\rm\; GW[/tex]

Thus, the heat discharged per hour is,

[tex]Q=4.26-1.5\\Q=2.76\text{GW}\\[/tex]

Multiply the value with 3600 to convert it in s/h,

[tex]Q=2.76\times10^9\times3600\text{ J/h}\\Q=9.36\times10^{19}\text{ J/h}\\[/tex]

Thus, the amount of exhaust heat discharged per hour from the plant which produces electric energy at the rate of 1. 5 gw, is 9.36×10¹⁹ J/h.

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The magnitude of the change in momentum of the driver is 3900kgm/s.

Hence option D) 3900 kg • meters per second is the correct answer.

Momentum is simply the product of the mass of an object and its velocity.

Its is expressed as;

P = m × v

Where m is the mass of the object and v is its velocity.

Given the data in the question;

We substitute the given values into the expression above to determine the initial momentum of the driver before he was brought to rest.

P initial = m × v

P initial = 125kg × 31m/s

P initial = 3875 kgm/s ≈ 3900kgm/s

Now, as the driver is brought to rest, final velocity becomes zero

P final = 125kg × 0

P final = 0

This means that the change in momentum of the driver is his initial momentum which is 3900kgm/s.

Therefore, the magnitude of the change in momentum of the driver is 3900kgm/s.

Hence option D) 3900 kg • meters per second is the correct answer.

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Answer:

D for edge

Explanation:

GO GO GO TRUST ME

The count of the number of tools is fundamental because it allows us to design a suitable experimental procedure.

An experimental procedure is a step of the scientific method based on a process to validate or reject our working hypothesis.

The experimental procedure needs to have into account the different tools required for the experiment to be carried out by the researcher.

In conclusion, the count of the number of tools is fundamental because it allows us to design a suitable experimental procedure.

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The lower limit that could be used to determine the position of each object along the direction of the velocity is 1.136 x 10⁻³ m.

The uncertainty in the position of the electron is calculated as follows;

[tex]\Delta x = \frac{h}{4\pi m\Delta v}[/tex]

where;

[tex]\Delta x = \frac{6.63 \times 10^{-34} }{4\pi \times 9.11 \times 10^{-31} \times 0.051} \\\\\Delta x = 1.136 \times 10^{-3} \ m[/tex]

Thus, the lower limit that could be used to determine the position of each object along the direction of the velocity is 1.136 x 10⁻³ m.

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Answer:

At the topmost point where the velocity has only horizontal component whereas the acceleration is vertical.

Explanation:

There is only a horizontal component of velocity at the ap3x of the projectile, and acceleration is vertically downwards owing to gravitation, therefore velocity and acceleration are perpendicular to one another.

The vessel's average speed for the entire journey will be 5.86 knots. The area of the distance-time graph shows the velocity.

Distance is a numerical representation of the distance between two objects or locations.

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.

The given data in the problem is;

Distance travelled 1 (D₁)= 6 nautical miles

Velocity (V₁) 8 knots.

Time (T₁)=

Distance travelled 2 (D₂)=5 nautical miles,

Time taken(T₂)=45 minutes=0.75 hour

Time taken(T₃)=30 minutes

Time for anchor 1 (t₁)=1 hour

Time for anchor 2(t₂)=0.5 hour

Time to sailing back to port(t₄) = 1 hour

The time for the first phase of motion;

[tex]\rm d = v\times t \\\\ t_1= \frac{D_1}{v} \\\\ t_1= \frac{6}{8} \\\\ t_1= 0.75 \ houe[/tex]

The average speed is found as;

[tex]\rm V_{avg}= \frac{Total \ distance }{Total \ time } \\\\ \rm V_{avg}= \frac{6+5+6+5}{0.75+0.5+1+0.5+1} \\\\ V_{avg}=5.866 \ knots[/tex]

Hence, the vessel's average speed for the entire journey will be 5.86 knots.

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If the voltage decreases to one-third of its original amount while the resistance remains constant.  The resulting current will be 0.4 A.

The current is the stream of electrons flowing from positive terminal of the battery to the negative terminal so as to generate electricity.

The circuit has a current of 1.2 A.

When the resistance  is constant, the voltage is proportional to current. According to the ohm's law,

V₂ / V₁ = I₂ / I₁

Substitute V for V₁ , V /3 for V₂ , 1.2 for I₁ , we get the resulting current,

I₂ = 0.4 A

Thus, the resulting current will be 0.4 A.

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True,Voltage is only produced when the wire is moving but not when the magnet is moving.

The physical interplay of electric charges, magnetic moments, and the electromagnetic field is known as electromagnetism.

The electromagnetic field can be static, moving slowly, or forming waves. Electromagnetic waves are commonly referred to as light and are subject to optics laws.

True,Voltage is only produced when the wire is moving but not when the magnet is moving.

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The force advantage of the direction changing pulley shown  is 1. The correct option is b.

Force is the mechanical physical quantity. The force advantage is equivalent to the mechanical advantage equal to the ratio of output to the input force.

In the single fixed pulley, there is only one rope segment that pulls up on the load, so,

The force advantage is

F.A = 50 N / 50 N  = 1

Thus, the force advantage of the direction changing pulley shown  is 1. The correct option is b.

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Answer:V=13500m/s

As

V=fλ

Where v is velocity, f is frequency and λ is the wavelength

f=27hz or 27/s

λ=0.50km=0.50*1000m=500m

Putting given values in the formula

V=(27/s)*(500m)

V=13500m/sss

The Properties of good conductor are given below:

Explanation:

1.It posses very low resistance or specific resistance.

2.It posses more conductance and there by conducts electricity readily through it.

3.It is a good conductor of heat.

4.It is highly resistance to corrosion by liquid.

5.It must be malleable and ductile.

6.It must be flexible.

7.It should not react with climatic conditions.

8.It can be drawn in very fine wires.

Answer:

15 kg

Explanation:

KE = 1/2 * m * v²   ⇒  m = (2*KE) / v²

m = (2*480) / 8²

m=15 kg

Answer:

when two electrons are in close proximity Each atom's electron begins to detect the proton of the other atom. As a result, it is attracted to not just its own proton, but also the proton of the other atom.

Answer:

1. By streching

2. false

3. building stronger muscles and bones

4. riding your bike

Explanation:

The routine of exercise begins with the usual basic step of stretching the body.

An essential component of a healthy lifestyle is exercise. Exercise can help you cope with stress and prevent health issues while also enhancing energy and strength. It can also help you control your appetite and keep your weight in a healthy range.

Here,

1. The routine of exercise begins with the usual basic step of stretching the body.

2. People don't have to necessarily go to the gym to get exercise, because exercise includes the activities from the basic one to difficult methods. So, you can do some kind of exercise at the home itself. So, the statement is false.

3. An advantage to exercising is building stronger muscles and bones.

4. Riding your bike is an example of exercise.

Hence,

The routine of exercise begins with the usual basic step of stretching the body.

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