On what factor does the kinetic energy of a body depends?​

Answer:

Explanation:

Fr= Fn-P

ma=Fn-mg

Fn= m(a+g)

Fn=62(1.2+9.8)

Fn= 682N

Answer:

Unit Conversion

the work done on the gas in process a is greater than, less than, or equal to that in process b. If either work is equal to zero, it should be explicitly stated.

the work done on the gas in process a is greater than, less than, or equal to that in process b. If either work is equal to zero, it should be explicitly stated. The work done on an ideal gas depends on the specific details of the process, such as the pressure, volume, and temperature changes. Without this information, it is impossible to determine which process does more work on the gas. For example, process a might involve a larger pressure change but a smaller volume change, while process b might have a smaller pressure change but a larger volume change. Additionally, if the gas is taken from state 1 to state 3 along a path where the volume is constant, the work done will be zero for both processes.

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Answer:

a wave with a large amplitude carries more energy than a wave with a small amplitude

Explanation:

Answer:

It is direct proportionality. The greater the mass, the greater is the gravitational potential energy. The equation for GPE is : GPE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height above the ground. As you can see GPE is directly proportional to mass, and height. KT.

Explanation:

Gravitational potential energy is a function of both the mass of your system and the mass of the thing generating the gravity field around your system.

The relationship is linear, which means that if you multiply or divide one of the masses by some number but leave everything else the same, you multiply or divide the potential energy by the same number. A 3kg mass has three times the gravitation potential energy of a 1kg mass, if placed in the same location.

The resistor of the electric lamp is marked at 240 volts and 60 watts is 960 ohms. Thus, option D is correct.

The resistance is a property that gives obstruction the current flow.  It blocks the current flow in the circuit. The unit of resistance is the ohm.    

From the given,

The voltage of the electric lamp (E) = 240 volt

Power in the circuit (P) = 60 watt

Resistance =?

Power (P) = E² / R

R = E²/P

   = 240×240/60

  = 960 Ω

The resistance of the electric lamp with a given voltage and power is 960 Ω. Thus, the ideal solution is D.

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The new volume of the gas will remain the same.

The new volume of the gas can be obtained by using the combined gas equation as illustrated below:

P₁V₁ / T₁ = P₂V₂ / T₂

(PV) / T = (2P × V₂) / 2T

Cross multiply

T × 2P × V₂ = PV × 2T

2PT × V₂ = 2PVT

Divide both side by 2PT

V₂ = 2PVT / 2PT

V₂ = V

Thus, the new volume will remain the same

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When a rock is transported from the moon to the earth, both mass and weight are changed.

Explanation:

The reason why both mass and weight are changed when a rock is transported from the moon to the earth is that the gravitational field on the surface of the earth is stronger than that on the surface of the moon.

This means that the rock's mass, which is the measure of the amount of matter that an object contains, will remain the same.

However, the rock's weight, which is the force with which an object is attracted to the earth due to gravity, will be different since the gravitational pull on the moon is much weaker than that on the earth. This implies that when the rock is transported from the moon to the earth, it will experience a higher gravitational force which will cause it to weigh more compared to when it was on the moon.

Therefore, both mass and weight will change when a rock is transported from the moon to the earth.

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Answer:

First of all, what is acceleration? — Acceleration is the rate of change of velocity per unit of time.

Now, we know that velocity is a vector quantity i.e we need both magnitude and direction to define it and so is acceleration. We can now say that in acceleration, the direction of motion is very important or to define acceleration we need both the magnitude of motion (here it is the speed) and its direction.

Now coming to your question. There are two possible answers to this question.

more

,Case 2 — When the body is not moving in a straight line or is constantly changing its direction. In this cas the speed still is constant but the direction is constantly changing, for example in the case of a circular motion the direction of motion constantly changes (the direction of a moving body in a circular path at any point is the direction of the tangent of the circle at that point). Hence the velocity changes as the body move along the circular or curved path.

Now, as  I earlier mentioned to define acceleration we need to know it's magnitude and it's direction, and acceleration is the rate of change of velocity per unit of time — the speed remaining constant the direction constantly changing, and the velocity changes at different time intervals or rate of change of velocity is ≠ 0 unlike in case 1. Since there is the of and a change in velocity (speed constant but the direction is changing) there is some acceleration.

To sum everything up — in the case of linear motion i.e motion in a straight line when the speed is constant and direction is not changing, velocity will be zero and hence acceleration would be zero. In case of a non-linear motion i.e motion not in a straight line, in a circle or any path where the speed is constant but the direction is constantly changing, velocity will not be zero and hence the acceleration would not be equal to zero. Either it would be greater or less than zero.

Answer:

talking and we can make our own sound

Explanation:

Sound could be an element for detecting people or entities, This is very useful for blind people. Sounds could also heal your chakra or make you feel like dancing.

Hope I helped. :)

- Valenteer

The ball rises above its starting location to a maximum height of roughly 168.5 m.

(a) Determine the impulse delivered to the ball by the bat.

The impulse delivered to an object is equal to the force applied to the object multiplied by the time for which the force is applied. In this case, the force applied by the bat is 12,000 N and the time for which the force is applied is 0.70 × \(10^{-3}\) s. Therefore, the impulse delivered to the ball by the bat is:

impulse = force x time = 12,000 N x\(10^{-3}\) x 0.70 × s ≈ 8.4 N s

(b) If the ball has a mass of 0.145 kg and was initially at rest, determine its final velocity after being hit by the bat.

The change in velocity of an object is equal to the impulse delivered to the object divided by its mass. In this case, the impulse delivered to the ball by the bat is 8.4 N s and the mass of the ball is 0.145 kg. Therefore, the change in velocity of the ball is:

change in velocity = impulse / mass = 8.4 N s / 0.145 kg ≈ 58.0 m/s

Since the ball was initially at rest, its final velocity after being hit by the bat is equal to the change in velocity, which is approximately 58.0 m/s.

(c) If the ball was hit vertically upwards, determine the maximum height it reaches above its initial position.

The maximum height reached by the ball can be calculated using the equation for the maximum height of an object that is thrown vertically upwards:

maximum height = (initial velocity)² / (2 x acceleration due to gravity)

Since the ball was hit vertically upwards, its initial velocity is equal to the final velocity calculated in part (b), which is approximately 58.0 m/s. The acceleration due to gravity is 9.81 m/s². Therefore, the maximum height reached by the ball is:

maximum height = (58.0 m/s)²/ (2 x 9.81 m/s²) ≈ 168.5 m

Therefore, the ball reaches a maximum height of approximately 168.5 m above its initial position.

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Answer: 17cm.

Explanation:

The equation you're using is:

Δd = df - di

Which means the change in position is equal to the final position minus the starting position. In this case that works out to 20cm - 3cm = 17cm. We're only interested in how much the snail moved, not how long it took to move, so even though they give a time it actually doesn't matter for this question.

Answer:

1) Mass of Egg Chamber → 35 g = 35 g × 1 kg/(1000 g) = 0.035 kg

2) Average Mass of Grade A Egg       →    56.7 g = 0.056 kg

3) Calculated Mass

Drop Chamber + Egg → (35 + 56.7) g = 91.7 g = 91.7 g × 1 kg/(1000 g) = 0.0917 kg

4) Time of Drop → 1.5 seconds

5) Maximum Velocity of Drop Chamber (v = g·t) → v = 9.8 m/s² × 1.5 s = 14.7 m/s

6) Maximum Momentum of Drop Chamber

(P = m·v) (right before hitting the ground) → p = 0.0917 kg × 14.7 m/s = 1.34799 kg·m/s

7) Final End Momentum of Drop Chamber → After landing, velocity v = 0 m/s

(p = m·v after landing)   \({}\)                              ∴ p = m·v = m × 0 m/s = 0 kg·m/s

8) Impulse on Impact            →   \({}\)             (0 - 1.34799) kg·m/s = 1.34799 kg·m/s

(Δm·v = Final - Initial)

9) Force on Impact    \({}\)           →                 F·t = Δm·v = 1.34799 N·s

(F·t = Δm·v)

Explanation:

Answer:

D

Explanation:

If the ball was in motion there would be kinetic energy but as there is no movement there is no kinetic energy only potential

¡Hello!

Topic: Electrostatic

For calculate electric force, we can apllicate formula:

                                                \(\boxed{\boxed{\bold{F = k * \frac{q*q'}{r^{2} } } } }\)

\(\sqrt{\) F = Electric Force

\(\sqrt{\) k = Coulomb Constant = 9x10^9

\(\sqrt{\) q = Charges = 1 C

\(\sqrt{\) r = Distance = 3000 m

Let's replace according the information, and let's resolve it:

F = 9x10^9 * (1 * 1) / 3000²

F = 9x10^9 * 1 / 9000000

F = 9x10^9 * 1.1111111e-7

F = 1000 N

Result:

The electric force is of 1000 N

Good luck

The angle of refraction for the incident light ray is approximately 34.1 degree

To determine the angle of refraction of a ray of light incident on a piece of crown glass with an index of refraction of 1.52, we can use Snell's law.

Given that the angle of incidence is 53.8 degrees and the index of refraction is 1.52, we can calculate the angle of refraction as follows:

n1 * sin(θ1) = n2 * sin(θ2)

Where n1 is the index of refraction of the medium the light is coming from (assumed to be air, so n1 = 1), θ1 is the angle of incidence, n2 is the index of refraction of the medium the light is entering (crown glass, n2 = 1.52), and θ2 is the angle of refraction.

Plugging in the given values:

1 * sin(53.8) = 1.52 * sin(θ2)

Rearranging the equation to solve for θ2:

sin(θ2) = (1 * sin(53.8)) / 1.52

θ2 = arcsin((1 * sin(53.8)) / 1.52)

Using a calculator, we find that θ2 is approximately 34.1 degrees.

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Gravity on Earth pulls objects to the center of the Earth about 9.8 meters per second per second. The child's mass on the moon or at a space station is 40 kg. The child's weight at these places changes because gravity is different at these locations.

Answer:

9. The Sun's Gravity

10. The core is the densest layer

There's some missing context here, but I would guess you're talking about a box or something with some mass m being pushed over a flat surface. Since it's moving with constant velocity, there is no acceleration and so the box is in equilibrium. In particular, the horizontal forces cancel each other. If f is the magnitude of the friction force, then

17 N + (-f ) = 0

f = 17 N

and this force points opposite the direction of motion.

According to the data given in the question the net force on the box is of 5 N.

All of the forces that are applied to an object are added up to form the net force. As a consequence of the fact that it (force) is a vector and therefore that two forces with identical magnitudes and opposing directions cancel each other out, the resultant force is the total of the forces, or put another way, the net force is just the total of all the forces.

Given data :

Force on box to the left side (F1) = 15 N

Force on box to the right side (F2) = 20 N

Because both forces are in opposite direction

Hence,

Net force = F2 - F1

Net force = 20 - 15

Net force = 5 N.

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Answer: no exact answer

=

Explanation:

Answer:

whats the question??????

Answer:

It will condese to 47

Explanation:

As per as the table chart , Substance G melting point at 47 and boiling point at 120 so AS per as the chart

The maximum allowable length for float glass jalousies is 150 cm.

What is Float Glass?

Float glass refers to a type of glass that is made by floating molten glass on a bed of molten metal. Float glass is a popular type of glass because it is both strong and durable.

Float glass is often used in windows, mirrors, and other applications where high-quality glass is required.

What is a Jalousie?

A jalousie is a type of window that consists of a series of parallel glass panes that are set in a frame. Jalousies are typically designed to allow air to flow through them, which makes them ideal for use in hot climates where ventilation is important.

What is the maximum allowable length for float glass jalousies?

The maximum allowable length for float glass jalousies is 150 cm. This means that any jalousies that are made from float glass cannot exceed this length. This limit is in place to ensure that the glass is strong enough to support itself and to prevent it from breaking under its own weight.

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Answer:

500j i got it right on a test

Explanation:

Answer:

23: Acceleration 24:1m/s^2

Explanation:

\(a = (v_f - v_i) /delta(t)\\a=(16-10)/6\\a=6/6\\a=1m/s^2\)

When traveling to China and bringing electronic devices from another country, it's important to consider the difference in voltage. China's standard voltage is 220V, while countries like the United States use 120V. To power a stereo from the United States in China, you would need a transformer to step down the voltage from 220V to 120V.

To calculate the number of turns needed for a transformer to step down Chinese power from 220V to 120V, we can use the formula:

(Voltage ratio) = (Number of turns in primary coil) / (Number of turns in secondary coil)

In this case, the voltage ratio is:

(220V) / (120V) = 1.83

To step down the voltage by a factor of 1.83, we need the secondary coil to have 1.83 times fewer turns than the primary coil. Therefore, we can calculate the number of turns in the secondary coil (n2) by dividing the number of turns in the primary coil (n1) by 1.83:

n2 = n1 / 1.83

If the primary coil has 700 turns, then the number of turns in the secondary coil would be:

n2 = 700 / 1.83 = 383.06

We cannot have a fraction of a turn, so we would need to round up to the nearest whole number. Therefore, the number of turns in the secondary coil would be:

n2 = 384

So, the transformer's secondary coil should have 384 turns to step down the Chinese power from 220V to 120V for a stereo.

n1 / n2 = V1 / V2

where n1 is the number of turns in the primary coil, V1 is the voltage of the primary coil (220 V in this case), and V2 is the desired output voltage (120 V in this case).

First, let's plug the given values into the transformer equation:

700 turns (n1) / n2 = 220 V (V1) / 120 V (V2)

Step 1: Rearrange the equation to solve for n2:

n2 = 700 turns * (120 V / 220 V)

Step 2: Calculate n2:

n2 = 700 turns * (0.5455)

Step 3: Round n2 to the nearest whole number:

n2 ≈ 382 turns

So, the secondary coil of the transformer should have approximately 382 turns.

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Answer:

Nuclear fusion

Explanation:

The reaction shown in the diagram depicts a nuclear fusion.

 The reaction expression is given as:

        ²₁H   +   ³₁H     →     ⁴₂He   +   ¹₀n  + energy

This reaction is a nuclear fusion expression. Here two small lighter nuclide to form a product with an attendant emission of a neutron and energy.

The combination of lighter nuclides to form a heavier one is nuclear fusion.

Fusion is different from nuclear fission in which a heavier nuclide splits up.

The magnitude spectrum versus frequency for the signal g(t) = exp(-10t)u(t) and the continuous magnitude transform, and to determine the number of points in the signal and the period, the provided MATLAB code can be used.

A. To plot the magnitude spectrum versus frequency for the signal g(t) = exp(-10t)u(t) for 0 ≤ t ≤ 1 with Δt = 0.01 and determine the number of points in the signal:

```matlab

% Define parameters

delta_t = 0.01; % Sampling interval

t = 0:delta_t:1; % Time vector

g = exp(-10*t).*(t >= 0); % Signal definition

% Pad with zeros

N_zeros = 450;

g_padded = [zeros(1, N_zeros), g, zeros(1, N_zeros)];

% Compute the Fourier Transform

G = fft(g_padded);

% Compute the magnitude spectrum

G_mag = abs(G);

% Determine the number of points in the signal

num_points = length(g_padded);

% Determine the period

T = num_points * delta_t;

% Determine the frequency vector

Fs = 1/delta_t; % Sampling frequency

f = (-Fs/2 : Fs/num_points : Fs/2 - Fs/num_points);

% Plot the magnitude spectrum versus frequency

plot(f, G_mag);

xlabel('Frequency');

ylabel('Magnitude Spectrum');

title('Magnitude Spectrum versus Frequency');

```

B. To plot the continuous magnitude transform given by G(f) = (10 + j2πf) / (1 - e^(-(10 + j2πf))) and utilize the same frequency separation:

```matlab

% Define frequency range

f = -Fs/2 : Fs/num_points : Fs/2 - Fs/num_points;

% Evaluate the expression for G(f)

G_continuous = (10 + 1j * 2 * pi * f) ./ (1 - exp(-(10 + 1j * 2 * pi * f)));

% Plot the continuous magnitude transform

plot(f, abs(G_continuous));

xlabel('Frequency');

ylabel('Magnitude');

title('Continuous Magnitude Transform');

```

C. To plot the magnitude spectrum versus frequency for the signal g(t) = sinc(πt) assuming Δt = 0.01 and determine the period T:

```matlab

% Define parameters

delta_t = 0.01; % Sampling interval

t = -1:delta_t:1; % Time vector

g = sinc(pi*t); % Signal definition

% Pad with zeros

N_zeros = 450;

g_padded = [zeros(1, N_zeros), g, zeros(1, N_zeros)];

% Compute the Fourier Transform

G = fft(g_padded);

% Compute the magnitude spectrum

G_mag = abs(G);

% Determine the number of points in the signal

num_points = length(g_padded);

% Determine the period

T = num_points * delta_t;

% Determine the frequency vector

Fs = 1/delta_t; % Sampling frequency

f = (-Fs/2 : Fs/num_points : Fs/2 - Fs/num_points);

% Plot the magnitude spectrum versus frequency

plot(f, G_mag);

xlabel('Frequency');

ylabel('Magnitude Spectrum');

title('Magnitude Spectrum versus Frequency');

```

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Answer:

The correct answer is bones just took test

Explanation: