A ball of mass m and another ball of mass 3m are placed inside a smooth metal tube with a massless spring compressed between them. When the spring is released, the heavier ball flies out of one end of the tube with speed v0.

Places, where particles of the medium spread farther apart, are called compressions.

Mechanical waves are classified as longitudinal waves and transverse waves. Some examples of longitudinal waves are sound waves, seismic P-waves, and ultrasound waves. Transverse waves examples include electromagnetic waves and ocean waves. In this article, we will learn what is a longitudinal wave and its characteristics. Longitudinal waves are waves where the displacement of the medium is in the same direction as the direction of the traveling wave. The distance between the centers of two consecutive regions of compression or the rarefaction is defined by wavelength, λ. When the compression and rarefaction regions of two waves coincide with each other, it is known as constructive interference and if the regions of compression and rarefaction do not coincide, it is known as destructive interference.

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The block's kinetic energy changes as it advances horizontally by an amount equal to 1/2FAx.

The energy an object possesses as a result of its motion is known as kinetic energy. It is a kind of energy that is exchanged during a collision or contact. Calculating kinetic energy involves multiplying an object's mass by the square of its velocity. A moving object's kinetic energy increases with speed. It is possible to transform kinetic energy into other types of energy, such heat or sound.

This is so that the force may do its work, which is equal to the force times the displacement in the force's direction. The force is acting in the direction of the displacement.

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The motion of the Soyuz capsule after it breaks free of the ISS but before the panicked astronaut retrieves it can be described as an initial state of zero velocity and a free-fall motion caused by gravity.

When the Soyuz capsule breaks free of the ISS, it has an initial velocity of zero relative to the ISS. Since there is no air resistance in space, the only force acting on the capsule is gravity, which causes it to fall towards the Earth. The motion of the capsule can be described as a free-fall motion until some other force, such as atmospheric drag, slows it down or stops it.

The results obtained from the simulation were as expected.

Simulation is a technique used to imitate real-world processes and systems in order to study and assess their performance. It is a powerful tool used in many different fields, from engineering, economics, and healthcare to business, education, and social sciences. Simulation allows us to experiment with different scenarios, identify problems, and analyze how changes in the system can affect its overall behavior. By using simulation, we can study complex systems in a controlled environment, instead of relying on trial and error or intuition.

The simulation showed that the amount of water vapor in the atmosphere increased as the temperature increased, which is consistent with the laws of thermodynamics. The simulation also showed that the increase in temperature caused the atmospheric pressure to decrease, which is again consistent with the laws of thermodynamics. Additionally, the simulation indicated that the amount of precipitation declined as the temperature increased, which is also consistent with the laws of thermodynamics.

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\(\\ \sf\longmapsto Gravitational\:Constant(G)\)

\(\\ \sf\longmapsto \dfrac{Force\times (distance)^2}{Mass\times Mass}\)

\(\\ \sf\longmapsto \dfrac{\left[MLT^{-2}\right]\left[ML^1T\right]^2}{\left[M^1LT\right]\left[M^1LT\right]}\)

\(\\ \sf\longmapsto \left[M^{-1}L^3T^{-2}\right]\)

Answer:

Or, G = [M1 L1 T-2] × [L]2 × [M]-2 = [M-1 L3 T-2]. Therefore, the gravitational constant is dimensionally represented as M-1 L3 T-2.

Explanation:

Hope it help you

Answer:

240 Newtons

Explanatiohn:

f = m × a

f = 120 × 2

f = 240 Newtons

To search for an element in a sorted and rotated array, you can use a modified version of binary search.

Here are the steps you can follow:

Here is the code in C++ to search for an element in a sorted and rotated array:

```

int search(int arr[], int l, int h, int key)

{

   if (l > h) return -1;

   int mid = (l+h)/2;

   if (arr[mid] == key) return mid;

   /* If arr[l...mid] is sorted */

   if (arr[l] <= arr[mid])

   {

       /* As this subarray is sorted, we can quickly

          check if key lies in half or other half */

       if (key >= arr[l] && key <= arr[mid])

          return search(arr, l, mid-1, key);

       return search(arr, mid+1, h, key);

   }

   /* If arr[l..mid] is not sorted, then arr[mid... r]

      must be sorted*/

   if (key >= arr[mid] && key <= arr[h])

       return search(arr, mid+1, h, key);

   return search(arr, l, mid-1, key);

}

```

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The current in this circuit is 0.065 A.

The current in this circuit can be calculated using Ohm's law, which states that the current in a circuit is equal to the voltage divided by the resistance. The resistance is given as 20.0 Ω. Therefore, the current in this circuit is given by:

Current = Voltage / Resistance

Where the voltage is the potential difference across the terminals of the AA battery, which is 1.30 V.

Substituting the values in the above expression, we get:

Current = 1.30 V / 20.0 Ω = 0.065 A

Therefore, the current in this circuit is 0.065 A.

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True, it is possible for a fault to have a north-south (N-S) strike and an eastward dip.

Faults can have various orientations and dips depending on the tectonic forces and geological conditions in a particular region. The strike refers to the direction of the fault line on the Earth's surface, while the dip indicates the angle at which the fault plane is inclined from the horizontal. Therefore, a fault can have any combination of strike and dip, including an N-S strike and an eastward dip.

Faults are geological fractures where movement has occurred, and their orientations can vary. A fault with a north-south (N-S) strike means it extends in that direction horizontally. The dip refers to the angle of the fault plane from the horizontal. So, it is possible for a fault to have an N-S strike and an eastward dip.

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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 current in the tile is 0.11 ampere.

The rate of electron passage in a conductor is known as electric current. The ampere is the electric current's SI unit. Due to not following vector law of addition, current is  a scalar quantity.

Given parameters:

Potential difference: V = 40 V.

The power output: P = 4.4 W.

We have to find, the current in the tile; I =?

We know that, power output = current × Potential difference

So, the current in the tile = power output /Potential difference

= 4.4/40 ampere.

= 0.11 ampere.

Hence the current in the tile is 0.11 ampere.

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The acceleration is precisely equal to the product of the acceleration due to gravity and the coefficient of kinetic friction.

The rate at which an object's velocity with respect to time changes is known as its acceleration. Accelerations are vector quantities. The direction of the net force acting on an object determines its acceleration.

The ratio of the frictional resistive force to the perpendicular force pushing the objects together is known as the coefficient of friction. The formula for the coefficient of friction is μ = F N, where F denotes the frictional force and N is the normal force.

It deals with the forces and energies involved in the motion of material bodies.

Hence, the acceleration is precisely equal to the product of the acceleration due to gravity and the coefficient of kinetic friction.

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The gravitational potential can be influenced by mass. When an object is present in a gravitational field, it has or can acquire gravitational potential energy, which is the energy that results from a change in position.

A body's position within a gravitational field gives it the ability to exert gravitational potential energy. The gravitational potential energy is most frequently used for an object close to the Earth's surface, where the gravitational acceleration is believed to remain constant at around 9.8 m/s. 2.

An object has gravitational potential energy if it has been positioned at such a height above (or below) its zero height. If an object is situated in a position that is different from equilibrium on an elastic medium, it has elastic potential energy.

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Answer:

Coulomb force

Explanation:

The electric force between charged bodies at rest is conventionally called electrostatic force or Coulomb force. The force is along the straight line joining the two charges.

Answer:

yes i belevie so

Explanation:

Explanation:

Contact force includes applied force, the normal force, the tension and the frictional force. Non-contact force includes electro-magnetic force, the gravitational force and the electrostatic force. For Example, applied force is required to kick the ball else the ball would not move.

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Answer:

I = 0.82A

Explanation:

I = W/V

I = 90W/110V

I = 0.82A

Answer:

* Temperature changes

* Changes in the tension

* Errors in the meter marks

Explanation:

When we are using several meters to make a measurement we have several aspects that can cause the readings to differ.

* Temperature changes make the dilation between readings different, at higher temperatures the material of the meter expands and the reading decreases.

* Changes in the tension with which the meter is pulled to keep it straight, in general all materials bend under the action of gravity, so you have to pull them to make them straight, if the forces are different from the material is lengthened decide Young's modulus, inducing different readings

* Errors in the meter marks, especially in the initial part that is covered by a hook, different positions of the hook change the readings.

* Structural problems, such as rust, bends that create changes in the length of the meter material.

Answer:

G

Explanation:

Answer:

D.Linegraph

Explanation:

Linegraph could be easily converted into a pie chart

Answer:

bar graph

Explanation:

The final velocity or speed of the truck is about 2.5 m/s.

We have to recall that in this case, the principle of the conservation of the linear momentum must come to mind. From the principle that we have it ought to be know that;

Momentum before collision = Momentum after collision

Then we would have;

(400 * 20) + (50 * 2) = (50 * 142) + (400 * v)

8000 + 100 = 7100 + 400v

8100 - 7100 = 400v

v = 1000/400

v = 2.5 m/s

The velocity is 2.5 m/s from the calculation that we have done.

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Answer:

solar eclipse mostly occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.

Answer:A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over Earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon Earth's surface.

Explanation:

Hope it helps

Answer:

it will be 3 seconds

Explanation:

initial  horizontal velocity of the rock, u = 20 m/s

horizontal distance traveled by rock, R = 60 m

The the range of the projectile is given by;

R = vt

where;

v is the initial  horizontal velocity of the rock

t is the time spent by the rock in air

t = R/v

t = 60 / 20

t = 3 s

The height of the bridge above the water is 12.1 m. The given information are,The initial velocity of the stone, u = 10 m/sThe final velocity of the stone, v = 30 m/s. Using the formula for velocity change, we can find the time taken by the stone to travel from the initial velocity to final velocity.

V = u + gtt = (v - u) / g Here, g = acceleration due to gravity = 9.8 m/s²= (30 - 10) / 9.8= 2.04 s The height of the bridge above the water is given by the formula, s = ut + 1/2 gt² Substitute the values and get the answer. s = 10 × 2.04 + 1/2 × 9.8 × (2.04)²= 20.4 + 21.7= 42.1 m. The height of the bridge above the water is 42.1 m.

The stone narrowly misses the bridge on the way back down. Therefore, the height of the bridge is equal to the maximum height of the stone from the point of projection to the highest point it reaches. So, the height of the bridge above the water = maximum height of the stone = 42.1 - 30= 12.1 m Thus, the height of the bridge above the water is 12.1 m.

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Answer:

In a wave equation,

y= A sin ( wt ± Kx)

GIVEN,

y(x, t) = 0.005 sinl(80.0x - 3.0t)

Amplitude= 0.005 m

wavelength = 2π/k

= 2π/80

= π/40

time period = 2π/w

=2π/3

Frequency= 3/2π

Displacement y(30,20) = 0.005 sin(80.30 -3.20)

=0.005 sin(2400-60)

=0.005 sin(2340)

=0.005 ×0 [sin2340 = sin(6.5 ×360) =0]

=0

The force needed to lift the load would be directed upwards, but the force delivered to the opposite end of the lever would be directed downwards towards the ground.

The mechanical advantage is defined as the load to effort ratio (MA).

In other words, utilising a lever offers you more force or power than the effort you put in. Levers are used to multiply force. A lever has a stronger mechanical advantage if the distance from the effort to the fulcrum is greater than the distance from the load to the fulcrum.

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Answer:

Velocity is quickness of motion or action. A synonym is celerity; a simpler word is speed. In physics, velocity specifically refers to the measurement of the rate and direction of change in position of an object.pls pls mark me branilest

Answer:

Velocity is defined as displacement travelled per unit time in a fixed direction. It is a vector quantity as it has both magnitude and fixed direction.

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Intensity changes as a result in resultant wave.

When two waves are in phase and their maxima add, a process known as constructive interference occurs where the combined amplitude of the two waves equals the sum of their individual amplitudes. The minima of the waves would line up similarly.

A wave of amplitude 2A is produced when two waves with the same phase, frequency, and amplitude (A) superimpose. As a result, its intensity doubles. The maximum angle at which fringes can be seen on a screen is 90°.

Condition for constructive interference: ΔL = nλ, where n is any integer. The quantity I represents the wave's intensity as a function of the two (identical) parent waves' phase differences.

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Its P path describes the change of state i.e from solid to liquid.

"A solid is that state of matter which has a fixed shape, mass, and volume. It suffers very small changes in volume by changing the temperature. It can not be compressed, e.g. — Sand, Wood, Copper, Ice, etc."

"A liquid is a sample of matter that conforms to the shape of a container in which it is held, and which acquires a defined surface in the presence of gravity. The term liquid is also used in reference to the state, or condition, of matter having this property."

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Answer:

C. 3.2 x 10^8 Ω•m

Explanation:

An insulator is a material that resists the flow of electricity.

In the given data the material with the highest resistivity is the best insulator

3.2 x 10^8 Ω•m