What net force would be required to accelerate a 5 Kg object 2 m/s2? [show all work, including the

equation, substitutions with units, and answer with units]

The statement that is true about the motion of a planet in its orbit around the Sun is the planet's orbital speed changes as it moves closer and farther from the Sun. The correct option is C.

The motion of a planet is explained by Kepler's law of motion. Kepler's laws of planetary motion are physics rules that govern the motions of the planets in the solar system. They were developed by the German astronomer Johannes Kepler.

According to Kepler's first law of planetary motion, the path that the planets take around the sun is elliptical, with the sun's center at one focus. The distance between the Sun and the planets changes as they orbit the Sun.

Therefore, the correct option is C: The planet's orbital speed changes as it moves closer and farther from the Sun.

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The force acting on satellite is 6.15 × [tex]10^{26}[/tex] kg.

What is force?

An object having mass differs its velocity in response to a push or pull. Force is an external agent that has the power to alter a body's resting or moving condition. It has a size and a movement.

Given,

F= [tex]M_{satellite}[/tex] × [tex]v^{2}[/tex]/r

v = 2[tex]\pi[/tex]r/T

F= [tex]M_{satellite}[/tex] × [4[tex]\pi[/tex][tex]r^{2}[/tex]/[tex]T^{2}[/tex]]

= 602 × 4[tex]\pi^{2}[/tex] × 1.98 × [tex]10^{8}[/tex] /[tex]86400^{2}[/tex]

= 630.37 N

[tex]M_{planet}[/tex] = 4[tex]\pi[/tex][tex]r^{2}[/tex][tex]r^{3}[/tex]/[tex]GT^{2}[/tex]

= (4[tex]\pi^{2}[/tex] × (1.98 × [tex]10^{8}[/tex][tex])^{3}[/tex])/ (6.67 × [tex]10^{-11}[/tex] × [tex]86400^{2}[/tex])

= 6.15 × [tex]10^{26}[/tex] kg.

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Answer:

Jupiter

Explanation:

It has the highest gravitational pull

L1/k1A + L2/k2A is the total thermal resistance between the surfaces at temperatures T0 and TL.

A measurement of the temperature differential at which a material or item resists the transfer of heat is known as thermal resistance. Thermal resistance is the inverse of thermal conductivity. Since the bulk of electrical components generate heat and need cooling, thermal resistance of materials is of special interest to electronic engineers. Electronic components might malfunction or fail due to overheating, hence special care must regularly be taken while designing those components.

Engineering regularly uses another important concept. Since there is a resemblance between the dispersion of heat and electrical charge, engineers typically use the thermal resistance (i.e., thermal resistance vs heat conduction) to compute heat transport through materials. Thermal resistance is the reverse of thermal conductivity.

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The complete question is,

A composite wall is shown with surface temperatures T0 and TL. Layer L1 has conductivity K1, thickness L1 and layer 2 has conductivity k2, thickness L2. The cross-sectional area of both layers is A. The total thermal resistance between the surfaces at temperatures T0 and TL is.

Furthermore, according to Newton's Second Law, the force required to accelerate an object increases with its mass.

When a ball is struck, it accelerates to a certain degree. The force exerted on the ball immediately correlates to the acceleration with which it moves. Consequently, Newton's second rule of motion is demonstrated in real life by the fact that the ball moves quicker the harder you strike it.

A force exerted on an object causes it to accelerate in accordance with Newton's Second Law of Motion, commonly referred to as the Law of Force and Acceleration or the Law of Force and Mass.

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An electron has a charge that is equal to the size of the elementary charge, e, with a negative sign. The value of the elementary charge is 1.602 x 10-19 C.

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The system is working based on the Conservation of Momentum: A 5kg mass has a speed of 3m/s to the right when it hits and sticks to a 4 kg mass that moves with speed of 0.75m/s to the right (C). Both mass then move together with 2m/s to the right.

Conservation of momentum states that the total momentum of a system remains constant.

P = P'

Momentum is the product of a particle's mass and velocity. Momentum could be formulized as:

P = m.v

From the case, we know that:

m1 = 5kg

m2 = 4kg

v1 = 3m/s to the right

v1' = v2' = v' = 2m/s to the right

v2 = ?

Based on the conservation of momentum concept, we know that:

P = P'

where:

P = m.v

Hence:

P = P'

m1.v1 + m2.v2 = (m1 + m2)v'

5 (3) + 4 (v2) = (5+4) 2

15 + 4v2 = 18

4v2 = 3

v2 = 0.75 m/s --> because v2 positive, hence m2 is moving to the right

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The speed of sound (velocity) is 343 m/s and a burglar alarm on a car has a frequency of 1200hz. 0.286 m/sec is the wavelength of the burglar alarm on the car.

Frequency is a unit of measurement for how frequently a recurrent event, like a wave, takes place over a specified period of time. A cycle is one repetition of the repeating pattern. Frequency only exists in moving waves that change their places throughout time. One method to describe how quickly a wave moves is by its frequency.

Therefore, if a wave passes through in half a second, the frequency is 2 per second. The frequency is 100 times per hour if it takes 1/100 of an hour.

Given that,

speed of sound (velocity) is 343 m/s

frequency of 1200 Hz.

Now as we know,

v = n × λ

or, λ = v/n

or, λ = (343 m/sec) / 1200 Hz.

or, λ = 0.286 m/sec

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The compression of the spring of spring constant 384 N/m is 2.41 m.

Compression springs work by resisting and pushing back against any downward or inward force that tries to squash and hold them in a compressed state.

To calculate the compression of the spring, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the compression of the spring is 2.41 m.

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Answer:

The correct answer is C.

Explanation:

Edwin Hubble classified spiral galaxies according to the tightness of their spiral arms compared to the size of their nuclear bulges. This classification scheme, known as the Hubble sequence, is based on the observation that spiral galaxies can have different degrees of spiral arm tightness and different sizes of nuclear bulges. By comparing these two features, Hubble was able to divide spiral galaxies into three main categories: barred spirals, normal spirals, and flocculent spirals. The classification of a spiral galaxy into one of these categories depends on the relative size of its nuclear bulge and the tightness of its spiral arms.

Answer:

How did Edwin Hubble classify spiral galaxies?

according to the tightness of their spiral arms compared to the size of their nuclear bulges

Explanation:

Took the K12 test.

The temperature increase of the water is 57.1⁰C.

The temperature increase of the water is determined by calculating the change in temperature of the water.

Q = mcΔθ

where;

1 hour = 3600 seconds

The quantity of heat water transferred to the water = e x P x t

where;

( 0.2 x 5,000 x 3600 ) = 15 x 4200 x Δθ

3,600,000 = 63,000Δθ

Δθ = 3,600,000 / 63,000

Δθ = 57.1 ⁰C

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The final temperature of the mixture is 17.9 °C.

The final temperature of the mixture can be found using the formula for heat exchange between two bodies at different temperatures: Q = mcΔT, where Q is the heat exchanged, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature.

For the tea, Q = mcΔT = (4.18 J/g·°C)(1.50 L)(1000 g/L)(75.0 - T)

For the ice, Q = mcΔT = (2.09 J/g·°C)(0.975 kg)(0 - T)

Since the total heat in the system is conserved, the heat gained by the tea is equal to the heat lost by the ice. So, we can set the two equations equal to each other and solve for T.

(4.18 J/g·°C)(1.50 L)(1000 g/L)(75.0 - T) = (2.09 J/g·°C)(0.975 kg)(0 - T)

T = (75.0 - (2.09 J/g·°C)(0.975 kg)/(4.18 J/g·°C)(1.50 L)(1000 g/L)) = 17.9 °C

So, the final temperature of the mixture is 17.9 °C.

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The average decay rate for the two samples will be about the same.

The correct option is B.

Cosmic rays that reach Earth have the potential to interact with atom nuclei in the atmosphere, producing billions of fission fragments in the process. Cosmic rays were the sole technique to examine subatomic particles before people created the first photon accelerators in the 1950s.

HZE ions are the name for these high-mass, high-charged particles. Numerous sources produce primary cosmic rays. They may originate from sunspots or solar explosions, for instance. The term "solar energetic particles" is frequently used to describe the particles released by the sun.

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The wavelength of highest photon energy is 0.544J.

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To change a large amount of force with a small force, you will have to apply the force over a longer period of time. So, option (a) is correct.

In physics, the term "impulse" is used to characterize or measure the impact of force operating gradually to alter an object's motion. It is often stated in Newton-seconds or kilograms per second and is denoted by the symbol J.

Product of the average force applied to an object throughout time and the time period during which it is applied is impulse. The change in momentum is the same as impulse.

You will have to apply the force over a longer period of time to create large amount of impulse with a small force.

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Explanation:

Equation for resistity

[tex]p(t)= p(0) \times (1 + a \times (change \: in \: temp))[/tex]

[tex] = 0.02 \times {10}^{ - 6} \times (1 + 0.004 \times 60)[/tex]

[tex] = 2.48 \times {10}^{ - 8} ohm \: m[/tex]

[tex]r = (p \times l) \div a[/tex]

[tex] = (2.48 \times {10}^{ - 8} \times 1200) \div \: 5 \times {10}^{ - 6} [/tex]

[tex] = 5.952 \: ohms[/tex]

Answer:

Explanation:

Hope you can give me "Brainliest" answer is will help a lot! Thank you

To solve this problem, we can use the following equations:

Linear speed: v = d/t

Angular speed: w = v/r

Spring compression: x = (1/2)kx^2

Conservation of energy: KE = PE

a) To find the linear speed of the center of mass after 3.82 m, we can use the equation v = d/t. We know that d = 3.82 m and t = 1 s (since the ball is starting from rest). Plugging these values into the equation gives us:

v = 3.82 m / 1 s = 3.82 m/s

This is the linear speed of the center of mass after 3.82 m.

b) To find the angular speed after 3.82 m, we can use the equation w = v/r. We know that v is 3.82 m/s (the linear speed we just found) and r is 0.27 m (the radius of the ball). Plugging these values into the equation gives us:

w = 3.82 m/s / 0.27 m = 14.15 rad/s

This is the angular speed of the ball after 3.82 m.

c) To find the spring compression, we can use the equation x = (1/2)kx^2. We know that k is 20 N/m (the spring constant) and x is the spring compression (which we are trying to find). Plugging these values into the equation gives us:

x = (1/2)(20 N/m)(x^2)

To solve for x, we can rearrange the equation to get:

x^2 = (2/k)x

Substituting in the value for k gives us:

x^2 = (2/20 N/m)x

Solving for x gives us:

x = sqrt(2/20 N/m) = 0.2 m

This is the spring compression.

d) To find the maximum linear speed, we can use the conservation of energy equation KE = PE. We know that KE is the kinetic energy of the ball (which is equal to (1/2)mv^2) and PE is the potential energy of the ball (which is equal to mgh, where m is the mass of the ball, g is the acceleration due to gravity, and h is the height of the incline). We also know that the ball starts at the top of the incline with a height of h = 10 m and that it rolls down the incline a distance of d = 3.82 m. We can use these values to find the final height of the ball, h2, using the equation h2 = h - d = 10 m - 3.82 m = 6.18 m.

Substituting these values into the conservation of energy equation gives us:

(1/2)mv^2 = mgh2

Solving for v gives us:

v = sqrt(2gh2/m) = sqrt(2(9.8 m/s^2)(6.18 m)/0.321 kg) = 6.58 m/s

This is the maximum linear speed of the ball.

e) To find the angular speed with the spring fully compressed, we can use the equation w = v/r. We know that v is the maximum linear speed we just found (6.58 m/s) and r is the radius of the

The magnitude of the average force due to air resistance be  188.75 N.

Energy cannot be created or destroyed, according to the rule of conservation of energy. However, it is capable of change from one form to another. An isolated system's total energy is constant regardless of the types of energy present. The law of energy conservation is adhered to by all energy forms. The law of conservation of energy essentially says that

The total energy of the system is conserved in a closed system, also known as an isolated system.

Total energy of the chuck of ice at 553 m tall tower: E = mgh

= 25.0 × 9.8 × 553 Joule = 135485 joule.

If the average force due to air is W the, total energy of the ice at 353 m above the ground:

E = mgh + 1/2mv² + W(553-353)

=  25.0 × 9.8 × 353  + 1/2×25×30² + 200 W

= 97735 + 200 W joule

According to conservation of energy:

135485 =  97735 + 200 W

⇒ 200 W = 37750

⇒ W =  188.75 N.

Hence, the magnitude of the average force due to air resistance be  188.75 N.

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The change that would make the water balloon more likely to pop is:

The correct options are B and C

Heat capacity or also known as thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to an object to produce a unit change in its temperature.

So, Using a liquid that has a lower heat capacity than water and using a thicker balloon will make the water balloon more likely to pop.

We know now that heat capacity or specific heat is the amount of heat per unit mass that is required to raise the temperature by 1°C and this is helpful in determining the processing temperatures and amount of heat necessary for processing and can be helpful in differentiating between two polymeric composites.

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Capacitors and inductors (which might be from time to time known as reactors) are passive gadgets that generate or soak up reactive strength.

They accomplish this with out widespread real-strength losses or running expense. The output of capacitors and inductors is proportional to the rectangular of the voltage. Voltage magnitudes are in large part decided via way of means of reactive strength flows;

Reactive strength go with the drift on the road will increase the voltage distinction among sending and receiving buses; • The more potent the short-circuit strength in a given bus, the much less reactive strength go with the drift from the road reduces its voltage with appreciate to the sending bus reactive strength go with the drift thru a transmission line is proportional to the cosine of the section perspective distinction among the sending and receiving give up voltages.

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Attribution theory describes how an individual says or thinks that something is a as a result of a person's deed or an action of an external factor.

The cause of behavior is attributed to some internal characteristic of a person rather than external forces.

It can be harmful because attributing a person's character to a mistake can lead to underestimation of an individual.

Attribution helps an individual to understand the reason behind another person's behavior and thinking.

Attribution theory is related to how ordinary people explain the causes of behavior and events that follow it. This helps them understand how they receive, interpret action, and how they give form an opinion of them.

When an person displays certain behaviors, they are usually attributed to certain internal characteristics. This theory can be harmful to explaining behavior because mistakes are attributed to character instead of external factors leading to underestimating people. On the other hand, it is beneficial to understanding people.

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Answer: Law of conservation of mass

Explanation:

Answer:

1.328m/s

Explanation:

Because it takes less meters per second compared to 1.351 m/s. Hope it helps!

Answer:650 * 0.8

Explanation:520

Neglecting drag, the cannonball's initial height, and its horizontal motion, the maximum height rise is 110.45 metres, the time it takes for the ball to rise is 4.7 seconds, and the overall flight duration is 9.4 seconds.

Equation:

A pupil propels a cannonball 47.0 metres per second vertically upward.

assuming that the acceleration brought on by gravity is 10 m/s2.

Using the equation U2 = 2gH, the cannonball's highest point will be determined.

where H is the height the cannonball reaches.

When all the figures are put together, 47*47 = 2*10*H

H = 110.45 metres.

The cannonball's ascent time would be given by t=(2H/g).

When all the values are put together, t = (2*110.45/10)t = 4.7 seconds.

The cannonball's total flight time, T, is equal to the sum of its rise and descent times.

The ratio of ascent to descent is time.

Time of ascension = 4.7 Seconds since there is no other acceleration present and it is motion under gravity.

T = 2×(time of ascent) (time of ascent)

9.4 seconds are equal to T = 2*4.7.

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The medium determines the speed of light in which light is travelling.

The refractive index is the ratio of the speed of light in the vacuum to the speed of light in that particular medium. The speed of light in a vacuum is 3 x 10⁸ m/s

n = c/v  

c = speed of light in the vacuum

v = speed of light in the medium

n = refractive index of the medium

The Refractive index of the water is 1.33 and for glycerin is 1.473. It means the speed of light is more in water than in glycerin. This occurs because of more density in glycerin as compared to water. The material with greater density hampers the speed of light.

Hence, more the refractive index of water slower light travel through it.

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A box with a mass of 1.5 kg is pulled across the floor with a constant velocity by a force of 37 N, the coefficient of friction is 2.52

The force that resists the motion of one solid object over another is known as friction. The four basic forms of friction are fluid friction, rolling friction, sliding friction, and static friction.

Friction is a sort of contact force. It exists between surfaces that are in touch with one another.

Given that,

Mass (m) = 1.5 kg

force (F) = 37 N

As we know,

co-efficient of friction (μ) = F/mg

μ = 37 N / (1.5 kg × 9.8 m/sec)

μ = 2.52

Thus, co-efficient of friction = 2.52

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Answer:

ok the final answer is μ = 2.52

Explanation:

I did the question on the flvs the first explanation is correct

The average number of revolutions completed by each wheel in 1 minute is 283 rounds.

What is distance?

Distance is the amount of space between two points or objects. It is a measure of length and can be measured in a variety of units such as kilometers, miles, or even light-years. Distance is an important concept in mathematics, used to calculate the length of a line segment, the circumference of a circle, the area of a triangle, and the volume of a sphere. It is also used in everyday life, such as calculating the distance between two cities, or the distance a car has traveled. Distance can also be used to compare the size of things, such as the relative distance between planets.

It is symbolized as km /sec.
as per the given question-distance= 20650.5-20950.5=60km
Time = 14:04-12:34=1 hour 30 minutes
1 hour 30 minutes = 90 minutes
wheel radius = 75÷2 = 37.5 cm
wheel circumterence =235.62cm
we know,
Average speed= distance/circumentace /time
60km/235.62cm/90 = 283 rounds.

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The RMS Voltage , Frequency and capacitance of capacitor is 82.8V,6.28Hz and 2.34F

Q ∝V .

Q = C/V.

C = Q/V.

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