are intramolecular forces stronger than intermolecular?

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Here's the solution :

Let's find the final velocity :

Initial velocity (u) = 0 (cuz it started from rest)

Final velocity (v) = 8 m/s

Time taken (t) = 10 sec

now, we know that :

Acceleration = 0.8 m/s²

One newton of gold on the moon would have a greater value than a newton of gold on earth because the magnitude of the acceleration due to gravity on the moon is smaller than the gravity on the earth .

It can be defined as the force by which a body attracts another body toward its center as the result of the gravitational pull of one body and another .

As given in the problem, we have to find out which has greater value, a newton of gold on earth or a newton of gold on the moon .

A newton of gold would be worth more on the moon than it would be on earth since the moon experiences a smaller acceleration from gravity than the earth does .

To learn more about gravity here , refer to the link given below ;

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Answer:

I would be 5 centimeters I think

Answer:

4 longitudinal waves

Explanation:

have a beautiful day ahead

Answer: static friction

Explanation:

During sliding, contact points do not get enough time to get interlocked properly. Therefore, less friction. But, when the object is at rest, the surfaces interlock well, therefore friction is more. This explains why sliding friction is less than static friction.

Answer:

Hiệu điện thế U=10 V được đặc vào giữ hai đầu một điện trở có giá trị R=25 Q cường độ dòng điện trở bằng bao nhiêu

Bernoulli's equation allows to find the result for the change of the kinetic energy of the fluid in the pipe is:  

Fluid mechanics studies the movement of liquid and gases through pipes, for this it uses the Bernoulli's equation, which is the work and energy relationship for fluids.

       P₂ + ½ ρ v₂² + ρ g y₂ = P₁ + ½ ρ v₁² + ρ g y₁

Where the subscripts 1 and 2 are the two points of interest, P is the pressure, ρ the density, v the velocity and y the height.

The expression of kinetic energy in fluids is:

       K = ½ ρ v²

Let's substitute

       K₂ - K₁ = P₁-P₂ + ρ g (y₁-y₂)

      ΔK = P₁-P₂ + rho g (y₁-y₂)

Indicates the density of the fluid is 4 10⁻³ km / m³, there is a height difference of Δy = 100 m and the pressure of 0.08 Pa and 0.02 Pa.

      ΔK = (0.08 -0.02) + 4 10⁻³ 9.8 100

      ΔK = 0.06 + 3.92 ΔK = 3.98 J  

In conclusion using Bernoulli's equation we can find the result for the change in the kinetic energy of the fluid in the pipe is:

        ΔK = 3.98 J

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Answer:

solid

Explanation:

because the molecule of solid is farest than gas

Full Answer in Image

a.) Ans; If an object is projected upwards in a perfectly vertical direction, then it will slow down as it rises upward. The instant at which it reaches the peak of its trajectory, its velocity is 0 m/s

As charge flows, the chemical energy of the battery is dissipated as the time of charge flow increases.

Electric power is defined as the rate at which electric energy is dissipated.

The power of the current flowing through the circuit is calculated as follows;

P = IV

P = I x IR

P = I²R

where;

The electric energy is given as;

E = Pt

E = I²Rt

Thus, we can conclude that as charge flows, the chemical energy of the battery is dissipated as the time of charge flow increases.

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Answer:

Unbalanced forces

When two forces acting on an object are not equal in size, we say that they are unbalanced forces. The overall force acting on the object is called the resultant force. If the forces are balanced, the resultant force is zero.

If the forces on an object are unbalanced, this is what happens:

a stationary object starts to move in the direction of the resultant force

a moving object changes speed and/or direction in the direction of the resultant force

In the example below, the resultant force is the difference between the two forces:

100 – 60 = 40 N (to the right)

Using moments

A see-saw will balance if the moments on each side of the pivot are equal. This is why you might have to adjust your position on a see-saw if you are a different weight from the person on the other end.

If a nut is difficult to undo with a short spanner, a longer spanner will help. This is because there will be a bigger moment on the nut, when the same force is applied further from the pivot.

Using the same principle you can increase the moment applied by a lever or a crowbar, and this can help you move heavy objects more easily.

non metal

co2 is a compound made up of carbon and oxygen which are both non metals, so co2 is a nonmetal. :)

Answer:

non-metal

Carbon dioxide, CO 2 - colourless gas with no odour

Answer:

more light enters and disturbs the formation of the image.

Hi there!

For an object to have a constant velocity, the SUM of the forces must equal 0. This means that the forces are balanced.

When a car is accelerating downhill, it is experiencing a force due to gravity of F = MgsinФ.

In order to balance the forces, there must be an equal and OPPOSITE force acting on the object. This would be a force of kinetic friction.

Thus:

∑F = -F (Kinetic Friction) + MgsinФ

0 = -F (Kinetic Friction) + MgsinФ

MgsinФ = F (Kinetic Friction)

Thus, the force of Kinetic Friction = -3674 N

(Negative indicates in the opposite direction)

The simple pendulum concept and rotational kinematics relationships allow finding the result for the velocity relationship

               w₁ = [tex]\sqrt{2}[/tex]  w₂

The simple harmonic movement is a periodic movement where the restoring force is proportional to the elongation, in the case of the simple pendulum it is fulfilled for angles less than 10º.  The expression for motion is

          θ  = θ₀ cos ωt

         ω² = g / l

the angular velocity is defined by

         w = [tex]\frac{d \theta}{dt}[/tex]  

         w = - θ₀ ω sin ωt

Where θ₀ is the initial angle or amplitude, w is the angular velocity, t the time, g the acceleration of gravity and l the length of the pendulum

Let's find the angular velocity for each pendulum

          ω ₁ = [tex]\sqrt{ \frac{g}{l_1} }[/tex]

Indicate that the second pendulum length is

          l₂ = 2 l₁

         ω₂ = [tex]\sqrt{\frac{g}{2l_1} }[/tex]  

the pendulum speed is maximum at the lowest point of the trajectory that occurs when the sine function has its maximum value

          w =  θ₀ω  

Suppose that the two pendulums are released with the same initial angle

Pendulum 1

          w₁ =  θ₀ [tex]\sqrt{\frac{g}{l_1} }[/tex]

Pendulum 2

          w₂ = θ₀  [tex]\sqrt{\frac{g}{2l_1} }[/tex]

We look for the relationship between the two speeds

           [tex]\frac{w_1}{w_2} = \sqrt{2}[/tex]  

In conclusion, using the simple pendulum concept and the rotational kinematics relations we can find the result for the velocity relation

             w₁ = √2 w₂

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Answer:

D. None of the above

Answer:

D) None of the Above

I hope this is correct; Let me know if it is in the comments.

Answer:

so its 10pm in seattle

Explanation:

Answer:

 A vector is an object that has both a magnitude and a direction. Geometrically, we can picture a vector as a directed line segment, whose length is the magnitude of the vector and with an arrow indicating the direction.

Explanation:

brainliest plz

Answer:

The correct answer is

Displacement.

As Displacement has both magnitude and direction it is Vector.

Hope it helps.

Plz mark me brainest

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The Correct choice is :

Answer:

When a spring is stretched or compressed, so that its length changes by an amount x from its equilibrium length, then it exerts a force F = -kx in a direction towards its equilibrium position. The force a spring exerts is a restoring force, it acts to restore the spring to its equilibrium length.

Explanation:

Hope This Helps!

A force is generated when a spring is stretched or compressed due to change in position against its normal state.

When a spring is stretched or compressed, so that its length changes by an amount x from its original length. After releasing it, it exerts a force F = -kx in a direction towards its original position. The force a spring exerts is a restoring force, it acts to restore the spring to its equilibrium length.

In conclusion, a force is generated when a spring is stretched or compressed due to change in position against its normal state.

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Answer:

Centripetal force is a force that acts on a body moving ion a circular path and is directed toward the center around which the body is moving.

Answer:

Answer:

T = 74.3N

Explanation:

We are given;

v(t) = (2.00m/s²)t+(0.600m/s³)t²

So, when v = 9 m/s;

9 = 2t + 0.6t²

0.6t² + 2t - 9 = 0

Solving this quadratic equation,

t = -5.88 or 2.55

We'll pick t = 2.55 s

Now, kinematic acceleration will be the derivative of the acceleration.

Thus, a = dv/dt = 2 + 1.2t

So, acceleration at that time t = 2.55s is; a = 2 + 1.2(2.55) = 5.06 m/s²

Since the rope is subject to both acceleration and gravity, Tension is;

T = mg + ma

T = m(g + a)

T = 5(9.8 + 5.06)

T = 74.3N

Explanation:

Answer:

Explanation:lớp 12 à

Answer:

The Independent Variable is the recorded fingerprint pattern.

The Dependent Variable is the shape of the fingerprint pattern.

The Control Group does not receive the Variable that you are testing

Explanation:

Answer: 63 J

Explanation: The effiency () of a machine is given by the ratio between the output work  and the input work :

Where:

Isolating :

Finally:

Answer:

a. energy is created as the log burns b. the compounds that make up the log are converted into fire, heat, and energy. c. as the log burns, the nuclear binding energy of the molecules in the log is released. the nuclear binding energy is transformed into the light and heat of the fire. d. the molecules present in the log are transformed into molecules that contain less energy than the original molecules. the energy difference is the heat of the fire?Explanation:

Answer:

Quan sát sóng dừng trên sợi dây dài 60cm cố định hai đầu, thấy có 3 nút (bao gồm cả hai

nút hai đầu) và 2 bụng. Bước sóng của sóng lan truyền trên sợi dây là:

Answer: See below

Explanation: Considering no friction it will continue to slide until an outside force acts upon it such as hitting something or falling off something.