Q2. Analyze the working principle of the circuit shown below and sketch the output waveform with respect to an input signal 10 sin(100лt). 4 +15 10 Sin (100pin - 15 10K2. 3 V

Answer:

planisphere

Explanation:

Answer:

Potential

Explanation:

hope this helps

When observing the applications of pistons in lifting operations, you are seeing both the increase in energy and Pascal's principle in action.

Piston systems are commonly used in lifting operations, such as hydraulic lifts and jacks. They work based on Pascal's principle, which states that when pressure is applied to a fluid in a confined space, it is transmitted equally in all directions.

In the case of a piston, a force applied to a small area on one side of the piston is transmitted through the fluid and results in a larger force on the larger area of the opposite side of the piston.

This allows for the amplification of force or energy, making it possible to lift heavy objects. Therefore, when observing pistons in lifting operations, you witness the application of Pascal's principle and the increase in energy or force.

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Answer:

Physics

Explanation:

:):):)

A freight train with an initial velocity of v0 m/s accelerates at a rate of a m/s² to reach a final velocity v in t minutes. (a) In a sketch, the initial velocity v0 and the final velocity v will have the same direction, indicating that the train is speeding up.

In this scenario, the sketch would depict an arrow representing the initial velocity v0 pointing in a certain direction, and an arrow representing the final velocity v, also pointing in the same direction. This indicates that the train is accelerating, increasing its velocity over time.

The direction of the arrows indicates the direction of motion. If the initial velocity v0 is in the positive direction (e.g., to the right), then the final velocity v would also be in the same positive direction. This indicates that the train is speeding up in the same direction as its initial motion.

The acceleration rate a determines how quickly the train's velocity increases. If a is positive, the train is accelerating in the same direction as its initial motion. If a is negative, the train is decelerating or slowing down. The time t represents the duration of the acceleration process.

Overall, the sketch visually represents the concept of a freight train starting with an initial velocity and accelerating to reach a higher final velocity in a given amount of time.

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Answer:

Oxidation occurs at the anode and reduction occurs at the cathode

Explanation:

Rewrite the equation as

\(y = (x-1) (x-2) x^{-1/2}\)

Then by the product rule, the derivative is

\(\dfrac{dy}{dx} = (x-2) x^{-1/2} + (x-1) x^{-1/2} - \dfrac12 (x-1) (x-2) x^{-3/2}\)

and we can factorize this as

\(\dfrac{dy}{dx} = \dfrac12 x^{-3/2} \left(2 (x-2) x^{3/2-1/2} + 2 (x-1) x^{3/2-1/2} - (x-1) (x-2)\right)\)

\(\dfrac{dy}{dx} = \dfrac12 x^{-3/2} \left(2 (x-2) x + 2 (x-1) x - (x-1) (x-2)\right)\)

\(\dfrac{dy}{dx} = \dfrac12 x^{-3/2} (3x^2 - 3x - 2)\)

\(\dfrac{dy}{dx} = \dfrac{3x^2 - 3x - 2}{2x^{3/2}}\)

and optionally expanded once more (if only to match the provided "Ans") to

\(\dfrac{dy}{dx} = \dfrac32 x^{2-3/2} - \dfrac32 x^{1-3/2} - x^{-3/2}\)

\(\dfrac{dy}{dx} = \dfrac32 x^{1/2} - \dfrac32 x^{-1/2} - x^{-3/2}\)

\(\dfrac{dy}{dx} = \dfrac32 \sqrt x - \dfrac3{2\sqrt x} - \dfrac1{\sqrt{x^3}}\)

Answer:

If you are looking for past papers you can search that up and you will find plenty of resources that will help you out.

Kepler's first law of planetary motion overthrows one of the basic beliefs of classical astronomy by proving that our solar system's planets circle elliptically rather than circularly.

Kepler's first law of planetary motion, often known as the law of ellipses, disproved one of the fundamental theories of classical astronomy by demonstrating that the planets in our solar system follow elliptical routes rather than the previously assumed circular orbits around the sun.

The heliocentric concept of the solar system, according to which the sun is the universe's center and the planets revolve around it, was supported by this discovery, which refuted the Aristotelian idea that the heavens were perfect and unchanging. Kepler's first law significantly altered how we perceive the world and paved the path for new discoveries in physics and astronomy.

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0.525 m³ minimum volume must the slab have for a 42.0 kg woman to be able to stand on it without getting her feet wet.

Add the biggest possible inaccuracy to each metric, then multiply to get the biggest volume you can. Subtract the largest potential mistake of each measurement, then multiply, to determine the smallest volume that can be produced.

1000 kg/m³ = density of water

920 kg/m³ = density of ice

BF = Woman Weight + Slab Weight

Pvg = 42 + Pvg

V = 42 kg / (1000 - 920)

V = 42 / 80

V = 0.525 m³

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Answer:

The observer hears a loud sound

Explanation:

In order to know if the observer hears a loud or a quiet sound, you need to know if there is a constructive or destructive interference between the sound waves of the loudspeakers.

You first calculate the distance between the observer and the loudspeakers.

The distances are given by:

d1: distance to loudspeaker A = 2.10m

d2: distance to loudspeaker B

\(d_2=\sqrt{(3.20m)^2+(2.10m)^2}=3.827m\)

Next, you calculate the wavelength of the sound waves by using the following formula:

\(\lambda=\frac{v_s}{f}\)

vs: speed of sound =  343 m/s

f: frequency of the waves = 400Hz

λ: wavelength

\(\lambda=\frac{343m/s}{400Hz}=0.8575m\)

Next, you calculate the path difference between the distance from the observer to the loudspeakers:

\(\Delta d=3.827m-2.10m=1.727m\)

You obtain a constructive interference (loud sound) if the quotient between the wavelength of the sound and the difference path is an integer:

\(\frac{\Delta d}{\lambda}=\frac{1.727m}{0.857}\approx2\)

Then, there will be a constructive interference, and the sound who the observer hears is loud.

The time period is 0.3 s and frequency is 3 Hz

Step 1 :

Given:

No. of cycles N = 24

Total time take t = 8 s

Step 1 : Calculating the frequency:

The frequency of a wave or oscillation is defined as the number of cycles or completed alternations per unit time.

f = N/t

f = 24/8

f = 3 Hz

Step 2: Calculating the time period:

Frequency and time period are inversely proportional.

The amount of time it takes for something to complete one oscillation is called its time period.

Time period = 1/Frequency

Time period = 1/3 = 0.3 s

So, the time period is 0.3 s and frequency is 3 Hz.

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Hi there! :)

\(\large\boxed{\text{B. They are called gas giants.}}\)

In the solar system, we can categorize the planets as such:

Inner planets: Mercury, Venus, Earth, Mars

Outer planets: Jupiter, Saturn, Uranus, Neptune

The Inner planets are the only planets that consist of solid rock. They also do not have rings and have impact craters due to their early formation.

In comparison, all of the outer planets are primarily made up of gaseous material and contain rings.

Therefore, the correct choice is B.

A 50 kw radio station generally can broadcast approximately up to 223.6 miles.

A 50 kW radio station's broadcast range can be determined by considering factors such as signal strength, terrain, and the type of radio system used.

1. Identify the transmitter power: In this case, it's 50 kW (50,000 watts).

2. Determine the type of radio system: For this question, I'll assume an FM radio station, which is common for commercial broadcasting.

3. Calculate the approximate range: For FM radio stations, a general rule of thumb is that the broadcast range in miles is equal to the square root of the transmitter power in watts.

So, the square root of 50,000 watts is approximately 223.6.

4. Consider the terrain and obstacles: The calculated range (223.6 miles) assumes ideal conditions with no obstructions or terrain differences. In reality, factors such as buildings, hills, and foliage can significantly impact the range.

Taking these factors into account, a 50 kW radio station can broadcast approximately 223.6 miles under ideal conditions. However, the actual range may vary depending on the terrain and obstacles present in the area.

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The astronaut's height, as measured from the space station, will appear contracted due to relativistic effects. Due to relativistic length contraction, the astronaut's height, as measured from the space station, appears to be approximately 3.52 meters.

According to the theory of special relativity, objects in motion relative to an observer will experience length contraction along the direction of motion. In this case, the spaceship is moving at a speed of 0.9 times the speed of light (0.9 c) relative to the space station.

The length contraction factor, denoted by γ, can be calculated using the Lorentz factor:

γ = 1 / √(1 - v²/c²)

Where v is the velocity of the spaceship and c is the speed of light. Plugging in the values, we have:

γ = 1 / √(1 - 0.9²)

γ ≈ 1.92

To determine the astronaut's height as measured from the space station, we multiply her actual height by the length contraction factor:

Height (as measured from the space station) = Actual height × γ

Height (as measured from the space station) = 1.83 m × 1.92

Height (as measured from the space station) ≈ 3.52 m

Therefore, due to relativistic length contraction, the astronaut's height, as measured from the space station, appears to be approximately 3.52 meters.

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Answer:

0.82 J

Explanation:

We know that work done W = Fd where F = force and d = distance moved in the direction of the force.

Now, the finch on Galapagos Islands exerts a force of 205 N with its beak as it cracks open a seed case. So, F = 205 N. If the beak moves a distance of 0.40 cm during this operation, then d = 0.40 cm = 0.004 m.

We now compute W.

So, W = Fd

= 205 N × 0.004 m

= 0.82 J

So the finch does work of 0.82 J to get at the seed inside the case.

on the other planet, floating is no better or worse than it is on Earth. Since gravity is smaller on the other planet than it is on Earth, you would weigh less there because of this.  

a weight of water equal to your own weight must be displace by your body in order to float, according to the Archimedes principle.

On a specific planet, the acceleration caused by gravity is less than that of the on the planet with lower gravity than the arch, thus even if our body weight will be smaller, the weight of water displaced will also be lower. Our bodies sense an upward push in the water that is equivalent to the weight of the water that is displaced. Due to the decreased gravity, the water that has been displaced has a smaller weight, which means that the buoyant force will also be lower. Thus, it won't require us to sing. We shall appear to be the same. We'll swim along the same shore as V 2 on Earth.

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      Maybe this graph can help?

The critical speed below which the rope would become slack when the bucket reaches the highest point in the circle is determined by the length of the rope and the radius of the circle.

When the bucket is at the highest point in the circle, it is momentarily at rest and the tension in the rope must be zero.

The formula for calculating the critical speed at which the rope becomes slack is:

v = √(gr)

where v is the critical speed, g is the acceleration due to gravity, and r is the radius of the circle.

For example, if the radius of the circle is 2 meters and the acceleration due to gravity is 9.8 m/s², the critical speed would be:

v = √(9.8 × 2) = 4.4 m/s

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Answer with explanation:

Complete question is provided in the attachment below.

There are 3 undefined term in geometry :1) A Point  2)  A line 3) A Plane.

When two lines are parallel they never meet , so the requirement to define them is lines and a plane on which they lie.

While when two lines are perpendicular , they intersect each other at a point by making a right angle between them.

So it required lines and a point to define it.

The maximum distance a wave varies from its rest position is called the amplitude of the wave.

The amplitude represents the maximum displacement or distance from equilibrium that a particle or medium experiences as the wave passes through it.In a transverse wave, such as a wave on a string or an electromagnetic wave, the amplitude is measured as the maximum displacement of the particles in the medium perpendicular to the direction of wave propagation. For example, in an ocean wave, the amplitude would be the maximum height of the wave crest above the average water level.

In a longitudinal wave, such as a sound wave, the amplitude is measured as the maximum displacement of particles in the medium parallel to the direction of wave propagation. For example, in a sound wave, the amplitude would be the maximum compression or rarefaction of air particles from their equilibrium position.

The amplitude of a wave determines its energy and intensity. Higher amplitudes generally correspond to waves with greater energy and intensity. Amplitude also affects the perception of the wave, such as the volume of a sound wave or the brightness of a light wave.

It's important to note that the amplitude is a measure of the wave's displacement and should not be confused with wavelength, which is the distance between two corresponding points on the wave (e.g., crest to crest or compression to compression).

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Quadrant 1

Refer to the attachment

The temperature of the countertop changes by 0.032 °C. You are preparing breakfast and slide a plate on the countertop.

The quantity of heat transferred to the countertop is given by

Q = CΔT where Q = quantity of heat transferred to the countertop = 5000 J = 5 kJ, C = heat capacity of the countertop = 158.5 kJ/°C and ΔT = temperature change of the countertop.

Since we require the temperature change of the countertop, we make ΔT subject of the formula.

So, ΔT = Q/C

So, substituting the values of the variables into the equation, we have

ΔT = Q/C

ΔT = 5 kJ/158.5 kJ/°C

ΔT = 0.032 °C. So, the temperature of the countertop changes by 0.032 °C.

You are preparing breakfast and slide a plate on the countertop. If the countertop. If the countertop is 1.05 m above the floor and it leaves the top at 0.74m/s.

Therefore, The temperature of the countertop changes by 0.032 °C. You are preparing breakfast and slide a plate on the countertop.

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Answer:

e search mo sa utak mo kasi di mo alam

Answer:

I think we still could have solar eclipse but with it blocking sun by being more small

From the calculation,  the gravitational field at the pendulum’s location is 9.8 m/s^2

A pendulum is a device that is used to demonstrate oscillatory motion. We have the following information.

l =  36.9 cm or 0.369 m

T = 1.22 s

Then;

T = 2π√l/g

T/2π = √l/g

(T/2π)^2 = l/g

g(T/2π)^2 = l

g = l/(T/2π)^2

g = 0.369/(1.22/2 *3.14)^2

g = 9.8 m/s^2

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Answer:

10

Explanation:

Answer:

Period: 1/3= 0.33 seconds.

The frequency and period of the metronome's vibration when the metronome is set at 180 is 3Hz and 0.33 s.

Frequency is the number of oscillations per second.

The time period is the reciprocal of the frequency.

Given is the metronome set at 180.

The reading of metronome = frequency in seconds = 180 / 60 = 3 Hz

The time period of the metronome's vibration T = 1/3 = 0.33 seconds.

Thus, the frequency and the time period is 3Hz and 0.33 s.

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Answer:

Mechanical weathering is the physical breakdown of rock into smaller pieces. Chemical weathering is the breakdown of rock by chemical processes.

Explanation:

Mechanical weathering (also called physical weathering) breaks rock into smaller pieces. These smaller pieces are just like the bigger rock, just smaller. That means the rock has changed physically without changing its composition. The smaller pieces have the same minerals, in just the same proportions as the original rock.

Chemical weathering is the other important type of weathering. Chemical weathering is different from mechanical weathering because the rock changes, not just in size of pieces, but in composition Chemical weathering works through chemical reactions that cause changes in the minerals.