A 1200 kg car accelerates from 13 m/s to 17 m/s. find the change in momentum of the car.

The magnitude of the gravitational force exerted on the satellite by the planet  will be F = 11970.1 N

The gravitational force is a force that attracts any two objects with mass.It is directly proportional to the masses and inverse of the distance between the two objects.

It is given that,

Mass of the satellite, m = 2400 kg

Speed of the satellite, v = 6670 m/s

Radius of the circular path,

Let F is the magnitude of the gravitational force exerted on the satellite by the planet. The centripetal force is equal to the gravitational force. It is equal to :

[tex]F=\dfrac{mv^2}{r}[/tex]

[tex]F=\dfrac{2400\times (6670)^2}{8.92\times 10^6}[/tex]

F = 11970.1 N

So, the magnitude of the gravitational force exerted on the satellite by the planet is 11970.1 N. Hence, this is the required solution.

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Answer:

Because it can desolve many many things.  

Explanation:

Answer:

Push-ups. Let M1 be the mass of the body and M2 be the mass of weights. Assume that M1 must be heavier than M2. Since M1 is heavier, M1 requires more force, and therefore work to be applied, let F1=M1*g. To bring our body back up, we need a force bigger or equal (if already in motion) to F1.

Let F2 = M2*g

Since F1 has to be bigger than F2 due to mass, we can build an equation for energy. Let X be a displacement, which is equal in both situations. Constructing a change of energy equation we can see that work done to lift the body is greater:

W1=F1*x

W2=F2*x

Where W1 is the work of the hands-on body, and W2 is the work of lifting weights. W1 has to be larger than W2. Since more work in W1, more muscle will be needed to complete a repetition, but only assuming that M1 > M2.

The equilibrium constant for the provided reaction at the temperature of 25 degree Celsius is 1/20.

The equilibrium constant in a chemical reaction is the reaction quotient when the chemical reaction is at equilibrium constant.

The equilibrium constant for the for reaction at 25 °c given in the problem as,

[tex]2A\rightleftharpoons B+C, K_1=1.0 \\2B\rightleftharpoons C+D, K_2=16 \\2C+D\rightleftharpoons 2P, K_3=25 \\[/tex]

Now, the reaction for which the equilibrium constant at 25 °c has to be find out is,

[tex]P\rightleftharpoons A+\dfrac{1}{2}B[/tex]

[tex]K_4=\sqrt{\dfrac{1}{K_1}+\dfrac{1}{K_2}+\dfrac{1}{K_3}}\\K_4=\sqrt{\dfrac{1}{25}+\dfrac{1}{16}+\dfrac{1}{1}}\\K_4=\dfrac{1}{20}[/tex]

Thus, the equilibrium constant for the provided reaction at the temperature of 25 degree Celsius is 1/20.

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Answer:

the answer is equal to visible light , ultraviolet, x-rays, gamma rayst

The sequence of types of electromagnetic radiation is arranged from that with the least to the most energetic photons will be visible light , ultraviolet, x-rays, gamma rays.

Electromagnetic radiation is a type of energy that is transmitted in incident photons as both magnetic and electric waves.

Electromagnetic radiation has a spectrum with varying wavelengths and frequencies, which gives it different properties.

Electromagnetic radiation is a type of energy that travels in packets of energy called photons as both electrical and magnetic waves.

Wave-particle duality is the name given to this phenomenon. This is a notion that defines how a wave behaves whether it behaves like particles, waves, or both particles and waves.

Hence the sequence of types of electromagnetic radiation is arranged from that with the least to the most energetic photons will be  visible light , ultraviolet, x-rays, gamma rays.

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Answer:

   Find the original location of the decimal.

   Determine if the number will be positive or negative.

   Move the decimal point until it creates a number between one and ten.

   Count how many times you moved the decimal.

Explanation:

Answer:

See below

Explanation:

 to the force of kinetic friction

Answer:

Environmental science is the dynamic, interdisciplinary study of the interaction of living and non-living parts of the environment, with special focus on the impact of humans on the environment.

Explanation:

If the forces on an object are greater than zero,the object will definitely in the motion. This concept in accordance with law of inertia.

Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body.

Newton's law of inertia states that a body wants to continue its motion until the external force is not acted on it.

Hence, if the force is grater than zero, the body will be in motion.

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Answer: i think Hubble's Law basically states that the greater the distance of a galaxy from ours, the faster it recedes

Explanation:

Answer:

0.015A

Explanation:

I=V/R

=1.5/100

0.015A

Just apply ohm's law

Hello always here to help!!!!

__________________________

Existing rocks come together under great heat and pressure to generate metamorphic rocks. Marble, schist, slate, and quartzite are examples of metamorphic rocks. Heat and pressure cause chemical changes in minerals, resulting in metamorphic rocks. They are frequently encountered near magma, but unlike igneous rock, they do not melt.

__________________________

Have a great day!!!

Answer:

Explanation: O B. Diffraction

The maximum temperature is -320.44 and the minimum temperature is -333.22.

In this case, there was an increase of 50 °C in the temperature of this object. We say that the temperature variation suffered by the body was 50°C, and this can be determined mathematically through the difference between the final value and the initial temperature value (60 – 10 = 50).

In this case, we have:

[tex]x+ 333.22 = 12.78\\x=12.78-333.22\\x=-320.44[/tex]

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-320.44 is the maximum temperature at which nitrogen is a liquid.

-346 is the minimum temperature at which nitrogen is a liquid

The number of protons, electrons, and neutrons in the atom of cr-24 is 28, 24, and 24 respectively.

An atom is the smallest unit of matter, consisting of the positively charged nucleus and the electrons which move around it. The atom can not be divided further.

The atom of a matter is made by three elements-

The atom of cr-24 has the atomic number 24. The atomic number of atom is equal to the number of proton and electron in an atom. Thus,

[tex]\rm Proton=24\\\rm Electron=24[/tex]

Now, if this atom has the mass number of 52 (most common). Then the number of neutron is,

[tex]\rm Neutrons=Mass\; Number-Atomic\; Number\\\rm Neutrons=52-24\\\rm Neutrons=28[/tex]

Thus, the number of protons, electrons, and neutrons in the atom of cr-24 is 28, 24, and 24 respectively.

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The top pair of pliers failed to loosen a stubborn bolt, but the bottom pair successfully removed it. Because the contact between the bolt and the   pliers working surface is less.

Mechanical advantage is a measure of the ratio of output force to input force in a system, it is used to obtained efficiency of the given mechanical machine.

The efficiency to open the stubborn bolt depends upon the contact between the working surface of the pliers and the bolt.

The contact between the bolt and the top pair of pliers working surface is less. Its mechanical advantage is less.

Hence, the top pair of pliers failed to loosen a stubborn bolt, but the bottom pair successfully removed it.

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Because the measurement of motion is dependent on the observer's position or reference frame.

Answer:

N~ f fric m 1~g The acceleration of the car can be calculated using v2 f v 2 i = 2a x a = v2 2 x = (72000 3600) 2 2 30 = 6:67m=s2 On the other hand, Projecting 2nd Law on the y-axis gives N=mg; For the book to slide o the seat, acceleration should overcome frction: f s < ma sN < ma smg < ma s = 0:650 < a g = 6:67 9:81 = 0:68

Explanation:

First you get the data:

Time conversion: hours to seconds:

[tex]\bf{2\not{h}*\left(\dfrac{3600 \ seg}{1\not{h}}\right)=7200 \ seg }[/tex]

We calculate the distance, using the formula:

                           [tex]\bf{d=t*v }[/tex]

                           [tex]\bf{d=3600\not{seg}*3\frac{m}{\not{m}} }[/tex]

                           [tex]\bf{d=21600 \ m}[/tex]

Answer: I travel to 21600 meters.

The electric potential at a distance from a nucleus of charge 50e is 144 Volts.

The potential is the work done by the test charge to move it from infinity to a particular point.

The potential is given by the relation

V = kQ / r

The distance of a point from the nucleus is 5.0 × 10⁻¹⁰ m and the charge on the nucleus is 50 e = 50 × 1.9 × 10⁻¹⁹ C.

k = 9 × 10⁹ kg-m²/s²-C²

Here, Q is the charge, r is the distance and k is the constant.

Substituting the value into the equation and solving, we get

V = 144 Volts

Thus, the potential at a distance from a nucleus of charge 50e is 144 Volts.

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[tex](R_1 +R_2)||R_3\\\\R_{eq} = \left(\dfrac 1{R_1 + R_2} + \dfrac 1{R_3}} \right)^{-1}\\\\\\~~~~~~=\left( \dfrac{1}{100+200} + \dfrac 1{600} \right)^{-1}\\\\\\~~~~~~=\left( \dfrac{1}{300} + \dfrac{1}{600} \right)^{-1}\\\\\\~~~~~~=\left(\dfrac{3}{600} \right)^{-1}\\\\\\~~~~~~=\dfrac{600}3 \\\\\\~~~~~~= 200~ \Omega[/tex]

Answer:

Circle

Explanation:

Actually its Eclipse or ecliptial path.

Force varies inversely with square of distance.

Remember Gravitation?

Yes

F is inversely proportional to r²

So it's eclipse

Recheck if a option given or circle is most likely correct

Answer:

a

Explanation:

maybe b but I think it's a

Answer:

To find the mass using density and volume we just multiply them against each other which causes ml to cancel and just leaves us with grams which represents how much the item weights.

[tex]mass=density*volume[/tex]

[tex]mass=0.875\frac{g}{ml}*4.0\ ml[/tex]

[tex]mass=3.5\ g[/tex]

Therefore, our final answer is that our pencil weight 3.5 grams

Hope this helps!  Let me know if you have any questions

The lifting force applied by the person in lowering the basket is determined as 7.8 N.

The lifting force applied by the person is determined from Newton's second law of motion.

F = mg - ma

F = m(g - a)

where;

F = 1(9.8 - 2)

F = 7.8 N

Thus, the lifting force applied by the person in lowering the basket is determined as 7.8 N.

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Answer:

The Fulcrum is the pivot in the middle and the Force is applied with your hand at the end. The item being cut has a “Shear” force applied to it by the blades.

Hope it helps :))

The electric field strength created by a charge decreases with increasing distance from the charge. The relationship between the electric field strength (E) and the distance (r) from the charge is given by the inverse square law:

E ∝ 1/r^2

Let's consider the given scenario:

At a distance of 40 cm (0.4 m) from the charge, the electric field strength is measured as 8 N/C.

We want to determine the electric field strength at a distance of 80 cm (0.8 m) from the charge when the charge is reduced to 1/2 Q.

First, we can set up a proportionality based on the inverse square law:

(E1)/(E2) = (r2^2)/(r1^2)

Substituting the given values:

8/E2 = (0.8^2)/(0.4^2)

Simplifying the equation:

E2 = 8 * (0.4^2)/(0.8^2)

E2 = 8 * 0.16/0.64

E2 = 2 N/C

Therefore, at a distance of 80 cm from the charge, when the charge is reduced to 1/2 Q, the electric field strength would be 2 N/C.

The strength of an electric field depends on the magnitude of the charge creating the field and the distance from the charge. In this case, since the charge is reduced to 1/2 Q, the electric field strength is also halved.

Additionally, as we move twice as far away from the charge (from 40 cm to 80 cm), the electric field strength decreases according to the inverse square law. As a result, the electric field strength is reduced to 2 N/C at a distance of 80 cm.

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The equation is

[tex]\\ \rm\Rrightarrow N(t)=N_o(e^{-\lambda t})[/tex]

Put values

[tex]\\ \rm\Rrightarrow N(180)[/tex]

[tex]\\ \rm\Rrightarrow N_o(e^{-0.00125(180)}[/tex]

[tex]\\ \rm\Rrightarrow N_o(e^{-0.225})[/tex]

[tex]\\ \rm\Rrightarrow 0.798N_o[/tex]

Or