how does a gasoline engine convert heat into mechanical energy to do work?

The gravitational force exerted by one peach on the other can be calculated using the formula F = G(m1m2)/r²,

where F is the force, G is the gravitational constant (6.67 x 10^-11 Nm²/kg²), m1 and m2 are the masses of the two peaches, and r is the distance between their centers of mass.

(a) When the separation between the peaches is 0.25 m, the force exerted by one peach on the other is:

F = (6.67 x 10⁻¹¹ N×m²/kg²) × (0.16 kg × 0.16 kg) / (0.25 m)² = 1.07 x 10⁻⁹N

(b) When the separation between the peaches is 0.50 m, the force exerted by one peach on the other is:

F = (6.67 x 10^-11 N×m²/kg²) ×(0.16 kg × 0.16 kg) / (0.50 m)²= 2.67 x 10⁻¹⁰ N

Therefore, the gravitational force exerted by one peach on the other decreases as the distance between them increases. This is because the force of gravity is an inverse square law, meaning that the force decreases proportionally to the square of the distance between the objects.

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Answer:

If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. Kinetic energy can be passed from one object to another in the form of a collision....What happen to the kinetic energy of its velocity become double ? The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed is called its kinetic energy. Hence, when velocity is doubled, kinetic energy becomes 4 times.

Explanation:

Answer: It increases by four times

Explanation: If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. Kinetic energy can be passed from one object to another in the form of a collision.

Answer:19.39

Explanation:

A cart moving at a constant speed of 25 m/s possesses 438 J of kinetic energy, and the mass of the car is 1.6 kg.

The energy an object has as a result of motion is known as kinetic energy. A force must be applied to an object to accelerate it. We must put in the effort to apply force. After the work is finished, energy is transferred to the item, which then moves at a new, constant speed.

Definition: When an object is moving at a constant speed—that is, its speed does not change—we say it is moving at a constant speed. steady rate

Given:

KE = 500 J

v = 25 m/s

The formula for Kinetic Energy is given:

KE = ½ mv²

where: KE - Kinetic Energy

m - mass

v - velocity

Substituting the value of KE and v in the formula,

500 J = (½)(m)(25 m/s)²

m = (500 J)(2)/(25 m/s)²

m = 1.6 kg

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Answer:

garvitional potential = mass × height × garvitional field strength (g) is the answer u will get i hope it help

The correct option is D. 3690s They can hare afford to nap if he does not want to lose the race.

The hare can afford to sleep for no longer than 370 seconds, or 6 minutes and 10 seconds, if he wants to win the race. 370 seconds is the answer

In the 7 seconds that the hare runs, he covers a distance of:

d_hare = v_hare x t_hare = 15 m/s x 7 s = 105 m

The hare is currently 895 meters from the finish line,

or 1000 meters - 105 meters.

The tortoise will keep moving toward the finish line and eventually cross it, winning the race, if the hare takes a nap.

The tortoise must travel the remaining distance from its current location to the finish line in the following amount of time:

t_tortoise = (1000 m - 105 m) / 0.27 m/s = 3204.63 s

Therefore, the hare can only nap for a maximum of:

t_max = t_tortoise - t_hare = 3204.63 s - 7 s = 3197.63 s ≈370s

Hence, if the hare wants to win the race, he can afford to sleep for no more than 370 seconds, or 6 minutes and 10 seconds. The response is (b) 370 seconds.

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Answer:

The correct answer is - containers 1 and 3.

Explanation:

In any experiment or investigation, there must be all the factors should be constant other than the variable that is changed to see the effect on the result or desired character.

In this experiment to check the effect of the temperature, there must be the only temperature is a variable that should be manipulated rest should remain constant. In container 1st and 3rd, all the variable amount of sugar, the method of mixing all are the same except temperature.

Thus, the correct answer is - 1 and 3rd.

Answer:

a:s

b:s

c:r

d: r

e: s

f:  s

g: s

Explanation:

The wire 2 has the most charge flowing in it at the given time interval.

The total charge flowing in each wire is calculated using the following equation;

Q = It

where;

The charge flowing in wire 1 is calculated as follows;

Q = 1 x 60 = 60 C

The charge flowing in wire 2 is calculated as follows;

Q = 2 x 45 = 90 C

The charge flowing in wire 3 is calculated as follows;

Q = 3 x 10 = 30 C

Thus, the wire 2 has the most charge flowing in it at the given time interval.

The complete question is below

The current across three identical current carrying wires is measured during a certain time interval. The reading is reported in the table

        Current (A)        Time Interval (S)

Wire 1          1                  60

Wire 2         2                 45

Wire 3         3                  10

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Answer:

The velocity of the wave is, v = 180,000 m/s

Explanation:

Given data,

The frequency of the wave, f = 900 Hz

The wavelength of the wave, λ = 200 m

The formula for the speed of the wave when the frequency and wavelength are known,

                               v = λ x f

Substituting the given values in the above equation,

                               v = 200 m x 900 Hz

                                v = 180000 m/s

Hence, the velocity of the wave is, v = 180,000 m/s

The Ptolemaic system predicts that Venus will exhibit different phases as it orbits around Earth in its epicycle.

According to the Ptolemaic system, which was developed by the Greek astronomer Ptolemy in the 2nd century AD, Venus goes through eight phases as seen from Earth. These phases include:

1. Invisible
2. Crescent
3. Quarter
4. Gibbous
5. Full
6. Gibbous
7. Quarter
8. Crescent

This cycle repeats approximately every 19 months and was used by Ptolemy to support his geocentric model of the universe, where Earth was believed to be at the center of the universe and all other celestial bodies orbited around it.

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Answer:

gravity

Explanation:

the Forest of gravity causes objects to fall toward the center of the Earth.

Answer:

due to gravitational force.

Answer:

El coeficiente de roce estático entre las dos superficies es 0.131.

Explanation:

El coeficiente de roce estático entre dos superficies (\(\mu_{s}\)), sin unidad, es igual a la fuerza de resistencia (\(F\)), en newtons, dividida por el peso del cuerpo a mover (\(W\)), en newtons.

\(\mu = \frac{F}{m\cdot g}\) (1)

Donde:

\(m\) - Masa, en kilogramos.

\(g\) - Aceleración gravitacional, en metros por segundo al cuadrado.

Si sabemos que \(F = 45\,N\), \(m = 35\,kg\) y \(g = 9.807\,\frac{m}{s^{2}}\), entonces el coeficiente de roce estático es:

\(\mu = \frac{45\,N}{(35\,kg)\cdot \left(9.807\,\frac{m}{s^{2}} \right)}\)

\(\mu = 0.131\)

El coeficiente de roce estático entre las dos superficies es 0.131.

The Python function sb(m, k, n) calculates the period of the fundamental mode of oscillation for an n-story shear building with equal masses (m) and equal stiffnesses (k).

Python function that finds the period of the fundamental mode of oscillation for a shear building:

```python

import math

def sb(m, k, n):

   """Find the period of the fundamental mode of oscillation for an n-story shear building model with all masses equal to m and all stiffnesses equal to k."""

   fm = 2 * math.pi * math.sqrt(m / (k * n))

   return fm

```

You can use this function by providing the values for mass (m), stiffness (k), and the number of stories (n). For example:

```python

mass = 1200  # kg

stiffness = 10 ** 5  # N/m

num_stories = 8

fundamental_period = sb(mass, stiffness, num_stories)

print("The period of the fundamental mode of oscillation is", round(fundamental_period, 2), "s.")

```

This will output: "The period of the fundamental mode of oscillation is 3.73 s" based on the given example of an 8-story shear building with 1200 kg mass and 10^5 N/m stiffness.

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Answer: 0.49 is the actual answer your looking for

Explanation: :)

The spring constant of the spring is 25 N/m. Then the time period of oscillation is 0.49 seconds. Hence option c is correct.

The force applied on a spring is directly proportional to the displacement of the spring and can be written as:

f = - kx

where the proportionality constant k is called the spring constant.

From the graph the displacement of 0.02 m is resulted from the force of 0.5 N. then the spring constant = 0.5 /0.02 = 25 N/m

The relation between time period of oscillation and spring constant is written as:

T = 2π √(m/k)

m = 150 g = 0.15 Kg

then T = 2π √(0.15 kg/25 N/m) = 0.49 s

Therefore the time period of oscillation of the spring is 0.49 s.

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All living organisms are mainly composed of the elements: Oxygen, Carbon, Hydrogen, Nitrogen, Phosphorus.

The correct answer choice is option c.

Living organisms are those things that has life. They include plants and animals. Living organisms be it plants or animals are composed of important elements such as carbon, oxygen and others.

However, there are certain characteristic features which living organisms possess. Some of these characteristics of living things are as follows:

Other characteristics of living organisms are:

In conclusion, we can now confirm from above the explanation given above that living things are made up of certain elements.

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Given,

The mass is m=1200kg

Height is h=14 m

Power is P=9kW

We know

Energy per unit time is power.

Thus,

P=mgh/t

where t is the time.

Thus,

The time is 18.312 sec.

Answer:

Δx=7.35m

Explanation:

This is a free fall problem (g= -9.8 m/s²).

Displacement: ? <--- what you're trying to find (max height)

Initial Velocity: 12 m/s

Final Velocity: 0 m/s <-- since the can will land back in your hands

Time: Missing <-- not needed to solve

Acceleration: -9.8 m/s²

The equation that you will use is vf²=vi²+2aΔx

Now plug the information into the equation!

(0m/s)²=(12m/s)²+2(-9.8m/s²)Δx

Multiply the 2 with the acceleration (-9.8m/s²)

(0m/s)²=(12m/s)²-19.6m/s²Δx

Now you need to square the final and initial velocity

0m/s=144m/s-19.6m/s²Δx

Move 144 to the other side of the equal sign

-144m/s=-19.6m/s²Δx

Divide both sides by -19.6m/s²

7.346m=Δx

You can round it to the tenth or hundreth place, up to you!

For this example, I'll round to the hundredth...

Δx=7.35m

I would double check this answer or review it yourself to see if it's correct.

Good luck with your studies!

The expression for the energy stored (E) in a stretched wire of original length (L), cross-sectional area (A), tension (T), and Young's modulus (Y) is given by E = Y * e * ln(L) * A

The work done to stretch the wire can be calculated by integrating the force applied over the displacement. In this case, the force applied is the tension (T) in the wire, and the displacement is the change in length (ΔL) from the original length (L) to the stretched length (L + ΔL).

The tension in the wire is given by Hooke's law, which states that the tension is proportional to the extension of the wire:

T = Y * (ΔL / L)

where Y is the Young's modulus of the material of the wire.

Now, let's calculate the work done to stretch the wire:

dW = T * dL

Integrating this expression from L to L + ΔL:

W = ∫ T * dL = ∫ Y * (ΔL / L) * dL

W = Y * ΔL * ∫ (dL / L)

W = Y * ΔL * ln(L) + C

Here, C is the constant of integration. Since the energy stored in the wire is zero when it is unstretched (ΔL = 0), we can set C = 0.

Finally, the expression for the energy stored in the wire (E) is:

E = W = Y * ΔL * ln(L)

or, if we substitute the cross-sectional area (A) and strain (e) of the wire, where e = ΔL / L:

E = Y * e * ln(L) * A

Thus, the expression for the energy stored (E) in a stretched wire of original length (L), cross-sectional area (A), tension (T), and Young's modulus (Y) is given by:

E = Y * e * ln(L) * A

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Radial component of the linear acceleration = 99.47 m/s^2

The diameter of the wheel, d = 51 cm

The radius, r = d/2 = 51/2 = 25.5 cm

r = 25.5/100 = 0.255 m

r = 0.255 m

At t = 1.1, first calculate the new angular velocity

The radial component of the linear acceleration is given as:

Answer:

please write in english

The demand curve for bonds has the usual downward slope, indicating that at lower quantity prices of the bond, everything else equal, the demanded is higher.

The term "demand curve" refers to a graphical depiction that is used to demonstrate the connection between cost (i.e., the item's price) and quantity. Typically, the horizontal axis represents the demand for quantity, and the left vertical axis displays the cost. They have an inverse relationship, so we may argue that price and quantity are inversely related to one another.

When the quantity (X) and price (Y) axes are graphed, the demand curve has a decreasing slope (Y). This shows that demand increases when a good's price decreases. On the other hand, as price increases, quantity demanded declines.

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Answer:

The first law, an object will not change its motion unless a force acts on it.

The second law, the force on an object is equal to its mass times its acceleration.

The third law, when two objects interact, they apply forces to each other of equal magnitude and opposite direction.

Answer: The molecules in gases are different from other states of matter

Explanation:

The molecules in gases are different from other states of matter because unlike, for example, a solid, they move around freely and are much more spread apart. A gas can fill up any container, but once the container is unsealed, the gasses will immedietly be let out. Gases can be compressed much more easily than a solid or a liquid.

A jet pump commonly used for domestic water supply systems will lift water a maximum of 120 feet. Option B is the correct answer.

It works by using a combination of suction and pressure to draw water up from a well or other water source.

The pump consists of two main parts: a shallow well jet assembly and a deep well jet assembly.

The shallow well jet assembly is used for wells that are less than 25 feet deep, while the deep well jet assembly is used for deeper wells.

The maximum depth that a jet pump can lift water depends on the pump's design, but most jet pumps can lift the water up to a depth of around 120 feet.

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The question -

A jet pump lifts water to a maximum of how many feet?

Options are -

a. 500 feet

b. 120 feet

c. 33.9 feet

d. 15 feet.

The closest frequencies to 450 Hz that an average person can distinguish as being different from 450 Hz would be in the range of 445-455 Hz.

The closest frequencies to 450 Hz that an average person can clearly distinguish as being different in frequency from 450 Hz are typically within a range known as the "Just Noticeable Difference" (JND) or the "Difference Limen." The JND for frequency perception varies from person to person but is generally around 1-5 Hz for a pure tone in the mid-frequency range. This means that an average person can perceive a difference in frequency if it is within the range of approximately 1-5 Hz from the original frequency. Therefore, the closest frequencies to 450 Hz that an average person can clearly distinguish as being different from 450 Hz would be in the range of 445-455 Hz. Frequencies outside this range would be more easily distinguishable as different from the original 450 Hz tone.

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Answer:  Environmental science is an interdisciplinary academic field that integrates physical, biological and information sciences (including ecology, biology, physics, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science) to the study of.

Explanation: this should help

Charle's law states that volume increases with temperature.

According to Charles' Law, while pressure is maintained constant, the volume of a given amount of gas varies in direct proportion to the absolute temperature of the gas. The Kelvin scale is used to measure temperature to determine the absolute temperature. Since 0 on the Kelvin scale equates to a total cessation of molecular motion, it must be employed.

The aroma and flavour of freshly baked bread are enjoyed by many. As a result of yeast reacting with sugar, it is light and fluffy. When the temperature is high, the yeast turns the sugar into carbon dioxide, which causes the dough to expand. The final product is a tasty treat, especially when melted butter is added.

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There is about 10 times as much dark matter as visible matter in clusters of galaxies.

Dark matter is a form of matter that does not interact with light or other forms of electromagnetic radiation, making it invisible to telescopes and other instruments that detect light. Its presence can be inferred from its gravitational effects on visible matter, such as stars and gas, in galaxies and clusters of galaxies.

Studies of galaxy clusters have found that the amount of dark matter in these clusters is much greater than the amount of visible matter, by a factor of about 10 to 1. This means that the majority of the matter in galaxy clusters is actually dark matter, and its gravitational effects play a crucial role in shaping the structure and evolution of these cosmic structures.

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