Titan, with a radius of 2. 58 x 10^6 m, is the largest moon of the planet Saturn. If the mass of Titan is 1. 35 x10^23 kg, what is the acceleration due to gravity on the surface of this moon?

A. 1. 35 m/s^2
B. 3. 49 m/s^2
C. 3. 49 x 10^6 m/s^2
D. 1. 35 x 10^6 m/s^2

Answer:

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Explanation:

sana po makatulong

The centripetal acceleration of an object moving in a circular path is given by the formula:

Centripetal acceleration (a) = (v^2) / r,

where v is the velocity of the object and r is the radius of the circular path.

In this case, the velocity of the car is given as 20 m/s and the radius of the circular curve is 50 m.

Using the formula, we can calculate the centripetal acceleration:

a = (20^2) / 50.

Simplifying the expression, we have:

a = 400 / 50.

Calculating this expression, we find:

a = 8 m/s^2.

Therefore, the centripetal acceleration of the car is 8 m/s^2.

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Answer:

V = (S2 - S1) / t

V = 8 m / 1 s = 8 meters /second

The kinetic energy of a bowling ball moving at speed is 100 J. The correct option is B.

The kinetic energy of an object is associated with its motion. It can be related to the mass and velocity as

K.E = 1/2 mv²

Given is the Mass of a bowling ball, m =8 kg and Velocity of a baseball, v = 5 m/s

substitute the values, we have

K.E = 1/2 x 8 x (5)²

K.E = 100 J

Hence, the kinetic energy of the bowling ball is 100 J.

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Answer:

D. 72.9 cm/s towards the wall

Answer:

sorry I don't understand

Explanation:

please translate it in english

A moon has more mass than the planet it circles and less mass than a star.

Do planets have a greater mass than stars?

By this definition, "stars" must be larger than planets in terms of mass. The size of a white dwarf would be comparable to that of a moon or small planet, but its mass would be approximately 200–1300 times that of Jupiter. Even more extreme are neutron stars, which are about the size of an asteroid but have a mass of several thousand Jupiters.

Why is the weight of the same object different on different planets Class 7?

The weight of an object is determined by its mass and the gravitational force that it experiences. The separation between two objects affects how strong gravity is. Because of this, an object weights differently on many planets.

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Answer:

Wouldn't it be 17.5. Force doubles in weight.

Explanation:

3415.2 grams

Explanation

to solve this we can use a rule of three

Step 1

Let

water= 100-84%= 16%

so,

for the water , 1 mL = 1 gram , so

now, let represents the mass of the aluminiu, so

a) the ratio is the same, so we have a proportion

Step 2

finally, solve for x

so, the mass of the aluminum is

3415.2 grams

Answer:

F = 20 N

Explanation:

Given that,

Mass of the football, m = 2 kg

Initial speed, u = 0

Final speed,v = 5 m/s

The time of contact, t = 0.5 s

We need to found the average force applied by the footballer  on the football. We can find it using the formula.

\(F=\dfrac{m(v-u)}{t}\\\\F=\dfrac{2\times (5-0)}{0.5}\\\\F=20\ N\)

So, the required force is 20 N.

Answer:

F=20

Explanation:

f=20

Answer:

When several resistors are connected in series, the total resistance equals the sum of the individual resistors. In series combination, the current is same through each resistor.

1)   V=  60 volt

Total resistance R = R₁ + R₂

                              = 20 + 10

                              = 30 Ω

2) Ohms law states that,

           \(\sf I =\dfrac{V}{R}\\\\\\I = \dfrac{60}{30}\\\\I = 2 \ A\)

3) Voltage around 10 Ω resistor,

          V₂ = I R₂

             = 2 * 10

              = 20 volt

___________________________________________________

4) Total current = 1 A

5) Total voltage = 8 volt

6) Voltage around R₁ is V₁

              R₁ = 2 Ω  ; I = 1 A

              V₁ = IR₁

                   = 1 * 2

                   = 2 volt

7) Resistance 2:

        Total resistance = R

        Total voltage = V = 8 volt

        Total current = I = 1 A

                  \(\sf R = \dfrac{V}{I}\\\\\\ R = \dfrac{8}{1}\\\\\)

                  R = 8 Ω

               R₁ + R₂ = 8 Ω

                2 + R₂ = 8

                      R₂  = 8 - 2

                      R₂ = 6 Ω

8)Voltage around R₂:

                  \(\sf V_2 = IR_2\\\\V_2 = 1*6\\\\\)

                  V₂ = 6 volt

9) Total R = 8 Ω

_________________________________________________

10) Total V = 12 volt

11)  Total R = 8 + 8

                 = 16 Ω

12) Total current I,

                \(\sf I = \dfrac{V}{R}\\\\I = \dfrac{12}{16}\\\\I = 0.75 \ A\)

13) Voltage at each resistor:

           V₁ = I*R₁

               = 0.75 * 8

               = 6 volt

         V₂ = I*R₂

              = 0.75 * 8

             = 6 volt

_______________________________________________________

     14) Total R =   40 + 20

                       = 60 Ω  

15) To find V₁, first find total voltage.

           I = 2 A ;  R = 60 Ω  

           V = IR    

              = 2 * 60

               = 120 V

        V₁ + V₂  =V

        V₁ + 80 = 120

                V₁ = 120 - 80

                 V₁ = 40 volt              

"The human perception of pitch primarily depends on frequency. " The correct answer is option: D.

Pitch refers to the subjective quality of sound that enables us to distinguish between high and low sounds. Frequency is physical property of sound that measures the number of cycles of vibration per second and is measured in hertz. The higher  frequency of a sound wave, the higher  pitch we perceive. This is because our ears are sensitive to different frequencies and can distinguish between them based on activity of the hair cells in  cochlea of the inner ear. While loudness, resonance, and intensity can also affect our perception of sound, they are not  primary factors that determine pitch. Hence correct answer is option: D.

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---The complete question is , The human perception of pitch primarily depends on __.

A. Loudness

B. resonance

C. intensity

D. frequency --

Answer: B

Explanation: I answered this question already at my school.

Answer:

It is facing away from the Earth.

Explanation:

If half of the moon is always illuminated by the sun, and we can't see the illuminated side during a new moon, the moon is turned away from the Earth.

Answer:

Explanation:

Element: consists of only one kind of atom, can't be broken down into a simple type of matter by either physical or chemical means and can consist as either atoms or molecules

Compound: consists of atoms of two or more different elements bound together, can be broken down into simpler types of matter by chemical means BUT not by physical means, has properties that are different from its component elements and always contain the same ratio of its component atoms.

Yes, it is possible to detect the presence of contaminating amylase from your experiments. One way to do this is by using specific assays or tests that can detect the activity or levels of amylase in your samples. This can help you identify any potential sources of contamination and take steps to address them. Additionally, you can also use controls and careful experimental design to minimize the risk of contamination in your experiments.

you can detect the presence of contaminating amylase in your experiments. Here's a step-by-step explanation:

1. Prepare samples: Collect samples from your experiment, including the negative control (no amylase) and the test sample (potentially contaminated with amylase).

2. Add a starch substrate: Add a known amount of starch to both samples. Amylase is an enzyme that breaks down starch into simpler sugars, so its presence will cause a reaction.

3. Incubate samples: Allow the samples to incubate for a specific period of time (e.g., 30 minutes) at an optimal temperature for amylase activity (typically around 37°C).

4. Stop the reaction: Add an appropriate reagent (e.g., iodine solution) to stop the reaction and stabilize the samples.

5. Analyze the results: Compare the color change in both samples. The iodine solution will react with any remaining starch, resulting in a color change (usually from yellow to blue-black). If the test sample shows a more significant color change compared to the negative control, it indicates the presence of contaminating amylase.

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The difference between the majority viewpoint and the minority view is that the majority group is made to feel normal and the minority group is made to feel divergent.

A vantage point or point of view from which something is viewed or assessed is known as the viewpoint The story is narrated from a variety of perspectives, including two major ones and several smaller ones.

Most studies comparing majority versus minority influence argue the author, places a premium on influence in the sense of prevailing. In this context.

There is evidence that majorities have greater public influence than minorities, and that minority impact when it happens, is mostly latent. In the current version,

Hence the difference between the majority viewpoint and the minority view is that the majority group is made to feel normal and the minority group is made to feel divergent.

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    Answer:  D        

Explanation:

Simplified for you.

Answer:

63.8454kgm/s

Explanation:

According to Newton's second law;

Force = mass ×acceleration

Fore = m(v-u)/t

Force = mv-mu/t

MV is the final momentum

mu is the initial momentum = 38kgm/s

Force = 88.3N

Time = 0.338s

Substitute and get mv

88.3 = mv-38/0.338

88.3×0.338 = mv-38

29.8454 = mv-38

MV = 29.8454+34

mv = 63.8454kgm/s

Hence the final momentum is 63.8454kgm/s

Answer:

67.8

Explanation:

im an acellus student, and this is the answer that i got when doing the problem.

Answer:

12.5% percentage of the atoms in a sample of plutonium-238 will remain radioactive after 263.1 yr

87.5%

1. The percentage of atoms that will remain radioactive is 12.5%

2. The percentage of atoms that would have changed to a stable isotope is 87.5%

n= t / t½

n = 263.1 / 87.7

n = 3

N = N₀ / 2ⁿ

N = 100 / 2³

N = 100 / 8

N = 12.5%

Amount stabled = 100 – 12.5

Amount stabled = 87.5%

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The correct option is (d). none of the above is correct .For the "unemployed" category.

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Answer:

In the given function b(t), the variable t represents the number of years after 2008. The   domain of this function is . The range more than 258.7 would not make sense. The graph of the function is always continuous

The given function b(t) shows the population of bobcats in northern Arizona since 2008. Therefore the variable t represents the number of years after 2008.

Since t represents the number of years after 2008, which is either positive or zero, therefore the domain of this function is .

The given function is a quadratic function and the coefficient of  is negative, so it is a downward parabola. The range above the y-coordinate of the vertex doesn't make any sense.

The vertex of parabola is defined by .

Vertex of the given function is (4.2,258.7).

Thus, the range more than 258.7 would not make sense for this function.

Since the given function is a polynomial function and polynomial functions are always continuous, therefore the graph of the function is always continuous

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According to electromagnetic waves, the wavelength of light is 410.96 nm.

We need to know about electromagnetic waves to solve this problem. Electromagnetic waves can propagate without media. The speed of electromagnetic in vacuum media is equal to the speed of light. Hence, the wavelength and frequency can be determined as

c = λ . f

where c is the speed of light (3 x 10⁸ m/s), λ is wavelength and f is frequency.

From the question above, we know that

f = 7.3 x 10¹⁴ Hz

By substituting the given parameter, we can calculate the frequency of microwaves

c = λ . f

λ = c / f

λ = 3 x 10⁸ / 7.3 x 10¹⁴

λ = 4.1096 x 10¯⁷ m

λ = 410.96 x 10¯⁹ m

λ = 410.96 nm

Hence, the wavelength of the light is 410.96 nm.

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Buoyancy or Buoyant force is the force which acts on the objects that are placed in a fluid. Thus, the correct option is B.

The buoyant force or buoyancy is the upward force that is exerted on an object which is fully or partially immersed in a fluid. This upward force is also called Up-thrust. Due to buoyant force, a body that is submerged in a fluid appears to lose its weight in the fluid, i.e. appears to be lighter. The factors which affect buoyant force are volume of the fluid displaced and the volume of the body that is submerged in fluid.

An example where buoyant force can be observed is a ship which is floating in the middle of the sea, an anchor that sinks when thrown in the water, and a fish which is hovering in the middle of the waterbody.

Therefore, the correct option is B.

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Answer:

here

Explanation:

Climate is determined by the temperature and precipitation characteristics of a region over time. The temperature characteristics of a region are influenced by natural factors such as latitude, elevation and the presence of ocean currents.

The flow of electricity in a certain path is the circuit.

Answer:

Newton's second law

Explanation:

this is because Newton's second law of motion states that when a resultant force acts on an object of a constant mass, it will accelerate in the direction of the resultant force

but to consider the others, you will know WHY I rejected the others

a. Newton's first law of motion states that every object will continue in its state of rest or uniform motion in a straight line unless a resultant force acts on it.

balanced forces this there isn't any acceleration

C. Newton's third law of motion states that if body A exerts a force on B, then B will exert an equal and opposite force on A

this law has nothing to do with acceleration

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Answer:

no change

Explanation:

The Newton's Second Law of motion states that when an unbalanced force is applied to an object, it causes an accelerated motion in the object, in the direction of the unbalanced force. So, if there is no unbalanced force, then there is no motion. In this case both the forces have same magnitude and opposite direction. Therefore, the unbalanced force will be zero:

Unbalanced Force = Upthrust - Weight

Unbalanced Force = 2448 N - 2448 N

Unbalanced Force = 0 N

hence, there will be no motion in the vertical direction. Therefore, the correct option is:

no change

Based on the given information, the most appropriate classification for the state of the volcano would be "Active-Dormant."

The volcano's history of generating multiple lava flows over the past 10,000 years indicates that it has been active in the relatively recent past. The presence of lava flows that have spread over large areas suggests ongoing volcanic activity, although not necessarily in the immediate present.

Additionally, the mention of very little tephra (volcanic ash and fragments) indicates that the volcano is not currently experiencing explosive eruptions. Instead, it has been primarily characterized by effusive eruptions that produce lava flows.

The fact that people in the nearby town remember the last eruption, which caused some forest fires, further supports the classification of the volcano as active-dormant. While the volcano may not be actively erupting at the moment, the memory of the recent eruption and the potential for future volcanic activity suggests that it is still in a state of activity, albeit in a relatively dormant phase.

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Answer:

it is the 3rd answer choice

The correct assumption of the given situation is required.

The correct option is

Either the driver of the westbound car overestimated his velocity or the driver of the eastbound car underestimated his velocity,

\(m_a\) = Mass of west moving car = 1200 kg

\(m_b\) = Mass of east moving car = 1000 kg

\(v_{ia}\) = Velocity of west moving car = -7 m/s

\(v_{ib}\) = Velocity of east moving car = 10 m/s

v = Combined velocity of the cars = 3 m/s

From the conservation of momentum we get

\(m_av_{ia}+m_bv_{ib}=(m_a+m_b)v\\\Rightarrow 1200\times -7+1000\times10=(1000+1200)\times 3\\\Rightarrow 1600\neq 6600\)

So, either westward ( \(1000\times10\) ) moving car needs to have more velocity or eastward (\(1200\times -7\)) moving car needs to have less velocity.

Since, mass is constant only the velocity can be different.

The correct option is

Either the driver of the westbound car overestimated his velocity or the driver of the eastbound car underestimated his velocity.

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