why does mars jupiter and earth not have the same gravitational force on a 150kg object​

The interval of rocket speed ds² = (c*dt)² - dx²  is invariant.

What are the features of a rocket ?

A rocket is a special type of jet-propulsion device which carry either solid or liquid propellants and it provide both the fuel and oxidizer needed for combustion.

The rocket is commonly applied to various vehicles, including firework skyrockets, guided missiles, and launch vehicles applied in spaceflight.

The  physical principle involved in rocket propulsion was  derived by Sir Isaac Newton. According to third law of motion, the rocket experiences an increase in momentum proportional to the momentum carried away in the exhaust.

The rocket speed L is calculated to be as:

L= L₀ √1 - (v²/c²)

When differentiating we get

ds² = (c*dt)² - dx²

(c*dt)² = dx² + ds²

(c*dt)² = d(x² + s²)

Therefore, with this we can find the speed of rocket to be (c*dt)² = d(x² + s²).

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The minimum deadband setting is the point that causes the least sensing bulb temperature change while the system is running.

The minimum setpoint is the specific value that results in the smallest change in the temperature of the sensing bulb when the system is in operation. It is a critical parameter that determines the stability and efficiency of the system. The deadband refers to the range of temperatures within which no action is taken by the system. By setting a minimum deadband, the system minimizes unnecessary temperature adjustments, reducing the frequency and magnitude of temperature fluctuations. This ensures stable and efficient operation by avoiding constant switching on and off of heating or cooling mechanisms. The minimum deadband setting is crucial in achieving a balance between maintaining temperature stability and minimizing energy consumption, ultimately optimizing the performance of the system.

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Answer:

Living thing

Explanation:

Nonliving things do not move by themselves, grow, or reproduce.

Answer:

Living

Explanation:

Unless you cut the tree, making that thang dead- its living

True. Electromagnetic waves are a type of energy that can travel through space at the speed of light.

These waves have different wavelengths and frequencies, which determine their properties and behavior. The electromagnetic spectrum includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays, each with its own unique frequency and wavelength. The different wavelengths and frequencies of electromagnetic waves give them different properties and uses in various fields, such as communication, medicine, and astronomy. The ability to manipulate electromagnetic waves by adjusting their wavelength and frequency is a fundamental principle behind many modern technologies. Therefore, it is true that electromagnetic waves come in many wavelengths and frequencies.

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From the principle of conservation of linear momentum, the mass of Lee is 50 Kg.

Momentum is the product of mass and velocity. The principle of conservation of linear momentum states that the total momentum before collision is equal to the total momentum after collision.

Let the mass of Lee be m

Hence;

(4.0-kg  × 3.0 m/s) + (m × 3.0 m/s) = (4.0-kg  × 15.5 m/s) + (m × 2.0 m/s)

12 + 3m = 62 + 2m

12 - 62 = 2m - 3m

-50 = -m

m = 50 Kg

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The length of the guitar string required to produce a fundamental frequency of 256 Hz is approximately 0.79 meters.

To determine the length of the guitar string required to produce a fundamental frequency of 256 Hz, we need to use the formula for the speed of waves in a string:

v = fλ

Where v is the speed of waves in the string, f is the frequency, and λ is the wavelength.

We know that the speed of waves in the particular guitar string is 405 m/s and we want to produce a fundamental frequency of 256 Hz. To find the wavelength, we rearrange the formula as:

λ = v/f

λ = 405/256

λ = 1.58 m

Now that we know the wavelength, we can find the length of the string required to produce this frequency using the formula:

L = n(λ/2)

Where L is the length of the string, n is the number of half-wavelengths that fit in the string, and λ is the wavelength.

Since we want to produce the fundamental frequency (1st harmonic), n = 1. Therefore:

L = (1)(1.58/2)

L = 0.79 m

So, the length of the guitar string required is approximately 0.79 meters.

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Answer:

The energy stored in an inductor is given as:

EL=1/2 LI ²

So, when the current is doubled, the energy stored in the inductor will become 4 times.

Answer:

d. find the midpoint of the redline

Answer:

Explanation:

The three things that occur naturally everyday and how science has had an impact on what we think or do about them is

Photosynthesis is a process in which green plants manufacture there own food in the presence of sunlight through the equation below

6CO₂ + 6H₂O  ⇒ C₆H₁₂O₆ + 6O₂

From the equation above, it can be seen that aside from the food (C₆H₁₂O₆) produced by green plants during photosynthesis, science has assisted us in knowing that these green plants take-up the carbon dioxide (CO₂) that is exhaled by humans and release the oxygen (O₂) that is inhaled by humans thereby purifying the air of the surrounding they are found. This concept has made man understand the importance of planting in residential areas.

Depletion of the Ozone layer; the ozone layer is a layer in the earth stratosphere which shields the earth from direct sunlight/rays. Over the years, the burning of hydrocarbon on earth has caused the depletion of this layer thereby exposing the earth to more direct sunlight from the sun. Science has had an impact in the thinking of man in this regard by making us more conscious of the risk of burning these hydrocarbons which has led to the collective efforts by governments across the world to minimize the burning of these substances.

Rain; rain are droplets of water that fall from the atmosphere. Rain formation occurs when water (in the form of ocean, river and/or seas) are evaporated into the atmosphere as a result of heat from the sun. These evaporated water molecule rises and cools down to form and form a cloud It is then returned to earth in the form of rain. This explanation changes the mythical understanding of rain in different culture

To a stationary observer, a man jogs east at 6 m/s and a woman jogs west at 2 m/s. From the man's frame of reference, the woman's velocity is 4 m/s.

Velocity is a term that defines that how much a particle covered the distance in a particular time. Velocity is a vector quantity. It can be measured in m/s or cm/s.

To calculate the velocity we are using the formula, Δv= v₁-v₂

Here we are given,

v₁= According to a stationary observer, velocity of a man=6 m/s East.

v₂=According to a stationary observer, velocity of a woman= 2 m/s West.

We have to calculate the woman's velocity, from the man's frame of reference=  Δv

Now we put the values in the above equation, we get

Δv= v₁-v₂

Or, Δv= 6-2

Or, Δv=4m/s.

According to the calculation we can say that, From the man's frame of reference, the woman's velocity is 4 m/s.

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In order for heavier items to accelerate at the same pace as lighter ones, more force is needed. These claims best substantiate the students' assertion. A pupil is researching mass and acceleration.

A force in physics is an effect that has the power to alter an object's motion. A force can cause an object with mass to change its velocity, or accelerate (for example, moving from a condition of rest). Intuitively, a push or a pull can also be used to describe force. A body's mass is a fundamental characteristic. Before the discovery of the atom and the field of particle physics, it was generally thought to be tied to the amount of matter in a physical body. It was discovered that several atoms and elementary particles.

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The paths of motion of the planets, if the gravitational force of the sun were to suddenly disappear will be a straight line.

The orbits in which the planets revolve around the Sun is elliptical in shape. Johannes Kepler was the first to discover the elliptical shape of orbits which was called as Kepler's laws of planetary motion.

According to Newton's first law of motion, objects always move in straight paths unless acted upon by an external force. This means that removing the force of gravity would cause them to move a straight line tangential to the orbit that it was revolving about.

Therefore,

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Answer:

\( \boxed{Average \: speed = 40 km/h} \)

Explanation:

Distance travelled = 20 km

Time taken = 30 min

= \( \frac{30}{60} \) h

= \( \frac{1}{2} \) h

\(Average \: speed = \frac{Distance \: travelled}{Time \: taken} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{20}{ \frac{1}{2} } \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 20 \div \frac{1}{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 20 \times 2 \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 40km/h\)

Answer:

He barely makes it but hit his leg on the pool edge.

Explanation:

Using kinematic formula: Δx=\(v_{0}t+(1/2)at^2\)

We can plug in delta x, v zero, and acceleration.

delta x = 8 meters, v0 = 0. a = 9.8

8=(1/2)9.8*t^2

Around 1.278 seconds of airtime.

4 * 1.278 = 5.112 meters horizontally assuming no air resistance

That was close!

Answer:

fire

Explanation:

burning the the oil

As it enters Earth's atmosphere from space, sunlight scatters light. Light slants downward as its wave fronts rub against the upper atmosphere. Because of this, the Sun appears to be higher in the sky than it actually is.

This indicates that, as a result of atmospheric refraction, we continue to observe the sun approximately two minutes after sunset. Without the earth's atmosphere, such atmospheric refraction would not have been possible. Earth's atmosphere makes the day longer as a result.

The Sun is visible even when it is just below the horizon due to atmospheric refraction. Because the light rays enter the Earth's atmosphere at a particularly shallow angle, this effect is especially strong for objects that appear close to the horizon, like the rising or setting Sun.

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Answer:

1200 watts

-hope this helps

Answer:

if we need to have same acceleration means if we want same speed of both of then we need to have more force for the one when more mass,more the mass the force needed to be exerted in order to move the things.

newtons 2nd law is f=ma
this means the amount of force that need to be exerted is mass into acceleration
both of them has same acceleration and so f=m like that if we see f is propotional to m and so more the mass,more the force ,so the one with 1000kg aka more mass has more force

Explanation:

The energy consumed by the heater in a 24-hour day is 4,752,000 Joules.

To calculate the energy consumed by the heater in a 24-hour day, we can use the formula:

Energy (in Joules) = Power (in Watts) x Time (in seconds)

First, we need to calculate the power used by the heater, which can be calculated using the formula:

Power (in Watts) = (Potential difference)² / Resistance

Plugging in the given values, we get:

Power (in Watts) = (110V)² / 220 ohms

Power (in Watts) = 55W

Now, we can use the power and time to calculate the energy consumed in 24 hours:

Time (in s) = 24 hours x 60 minutes/hour x 60 seconds/minute

Time (in s) = 86,400 seconds

Energy (in J) = Power (in Watts) x Time (in seconds)

Energy (in J) = 55W x 86,400 seconds

Energy (in J) = 4,752,000 Joules

Therefore, the energy consumed by the heater in a 24-hour day is 4,752,000 Joules.

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The angle θ is approximately 0.688°, and the angle θ' is approximately 1.988°.

To determine the angles θ and θ' in the given scenario, we can use Snell's Law, which relates the angles of incidence and refraction to the refractive indices of the media involved. Snell's Law can be stated as follows:

n₁ * sin(θ₁) = n₂ * sin(θ₂)

Where:

n₁ is the refractive index of the medium of incidence (in this case, air with a refractive index close to 1),

θ₁ is the angle of incidence,

n₂ is the refractive index of the medium of refraction (in this case, linseed oil with a refractive index of 1.48), and

θ₂ is the angle of refraction.

Let's solve for the unknown angles θ and θ' using the given information.

Given:

Angle of incidence θ = 1°

Refractive index of linseed oil n₂ = 1.48

We need to find the angle of refraction θ₂.

Using Snell's Law, we have:

n₁ * sin(θ₁) = n₂ * sin(θ₂)

Since the refractive index of air (n₁) is approximately 1, we can simplify the equation to:

sin(θ₁) = n₂ * sin(θ₂)

Plugging in the values:

sin(1°) = 1.48 * sin(θ₂)

We can now solve for θ₂:

θ₂ = arcsin(sin(1°) / 1.48)

Calculating this value, we find:

θ₂ ≈ 0.688°

Now, let's determine the angle θ'.

Given:

Angle of refraction θ₂ = 0.688°

Refractive index of linseed oil n₂ = 1.48

We need to find the angle of incidence θ'.

Using Snell's Law, we have:

n₂ * sin(θ₂) = n₁ * sin(θ')

Since the refractive index of air (n₁) is approximately 1, we can simplify the equation to:

n₂ * sin(θ₂) = sin(θ')

Plugging in the values:

1.48 * sin(0.688°) = sin(θ')

Solving for θ', we find:

θ' = arcsin(1.48 * sin(0.688°))

Calculating this value, we get:

θ' ≈ 1.988°

Therefore, the angle θ is approximately 0.688°, and the angle θ' is approximately 1.988°.

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Answer:

10.3 m/s

Explanation:

Given that Bert is standing on a ladder picking apples in his grandfather’s orchard. As he pulls each apple off the tree, he tosses it into a basket that sits on the ground 5.0 m below at a horizontal displacement of 2.0 m from Bert.

Let us use pythagorean theorem

H = sqrt ( 5^2 + 2^2 )

H = sqrt ( 25 + 4 )

H = sqrt ( 29 )

H = 5.385 m

Using the third equation of motion

V^2 = U^2 + 2gH

But U = 0

V^2 = 2 × 9.8 × 5.385

V^2 = 105.549

V = sqrt ( 105.549 )

V = 10.27 m/s

Therefore, Bert will throw the apples (horizontally) in order to land in the basket as fast as 10.3 m/s approximately.

Answer:

q = 0.384 C

Explanation:

The total charge present at the head can be easily found out by multiplying the charge on a single electron with the total number of electrons present on the head:

\(q = ne\)

where,

q = total charge on head = ?

n = total no. of electrons on the head = 2.4 x 10¹⁸

e = charge on 1 electron = 1.6 x 10⁻¹⁹ C

Therefore,

\(q = (2.4\ x\ 10^{18})(1.6\ x\ 10^{-19}\ C)\)

q = 0.384 C

The other string is approximately 439.857 Hz, or about 0.143 Hz lower in frequency than the first string.

The beat frequency is the difference between the frequencies of the two strings. We know that one string has a frequency of 440 Hz. Let's call the frequency of the other string "f".

We are told that the piano tuner hears one beat every 3.5 seconds. This means that the difference in frequency between the two strings is such that they complete one cycle of constructive and destructive interference every 3.5 seconds.

Therefore, we can use the following formula to find the frequency of the second string:

f = 1 / (2 x 3.5s)

f = 1 / 7s

f = 0.143 Hz

So the frequency of the second string is approximately 0.143 Hz.

To find how far off in frequency the second string is, we subtract its frequency from the frequency of the first string:

440 Hz - 0.143 Hz = 439.857 Hz

Therefore, the second string is approximately 439.857 Hz, or about 0.143 Hz lower in frequency than the first string.

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Based on many surveys of the average density of matter in the universe, astronomers now conclude that the average density of the universe is finite.

Astronomers have conducted numerous surveys and observations to determine the average density of matter in the universe. These studies take into account both regular matter (such as stars, galaxies, and interstellar gas) and dark matter, which is an invisible form of matter that does not interact with light. Through these surveys, astronomers have reached the conclusion that the average density of the universe is finite, meaning that there is a limited amount of matter spread across the vast expanse of the cosmos.

This finding has significant implications for our understanding of the composition and structure of the universe and has helped shape our current models of cosmology.

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The total amount of flour he used in all is 115kg

One of the four fundamental operations in mathematics is addition, along with subtraction, multiplication, and division. When two whole numbers are added, the sum or total of those values is obtained.

Given that Baker Bill used 67 kilograms of flour on Monday. He used 48 kilograms of flour on Tuesday

We would add the kg of flour he used

This would be 67 + 48 = 115kg of flour

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Answer:

There are four natural states of matter: Solids , liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates. In a solid, particles are packed tightly together, so they don't move much.

Explanation:

Answer:

yes because if red light was natural then it should cause more damage because that how it is

Answer:

its yes because if red light was natural then it should cause more damage because that how it is

The thing that you can conclude about how long your balloon has been expanding is option B:  Your balloon has been expanding for 5 hours.

Baking soda and vinegar combine to produce carbon dioxide gas when combined. As the gas in the bottle starts to increase, the balloon starts to swell. The balloon will expand to a larger size as more gas is produced.

Note that It is merely the expansion of air that has been trapped in the balloon and container. When heated, air expands, causing it to either spread out and fill a greater space or increase pressure in a closed space.

Hence, Cold air outside the balloon exerts force on the balloon from all sides as the hot air inside the balloon expands in all directions (higher pressure force).

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