The moon's gravity is one-sixth that of the earth. How does the period of a 0.50m long pendulum on the moon compare to the period of the same pendulum on Earth?
Question 20 options:

The period is the same on the moon and on Earth.

The period on Earth is longer.

There isn't enough information to answer the question.

The period on the moon is longer.

The total angle the tires rotate through during his trip is 8156 radian.

The study of shapes and their measurements falls under the umbrella of geometry, a subfield of mathematics. It also emphasises how the shapes are arranged in relation to one another and their spatial characteristics. We are aware that geometry is divided into 2D and 3D categories.

All geometrical shapes are first created by the intersection of points, lines, rays, and plane surfaces. The distance between the two lines is known as a "Angle" when the two lines or rays converge at a single location.

Given that:

A boy rides his bicycle 2.08 km.

The wheels have radius 25.5 cm.

So, perimeter of the wheel = 2πr = 2π×25.5 cm = 160.22 cm.

Total angle  the tires rotate through during his trip

= ( 2.08 km/ 160.22 cm)× 2π

=  8156 radian.

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The initial speed of the second ball is c. 26.8 m/s

Speed is the distance per unit time moved by an object/

Since the ball is a projectile, to find the initial speed of the second ball, we need to find the maximum height of the first ball using

h = u²sin²Ф/2g where

Substituting the values of the variables into the equation, we have

h = u²sin²Ф/2g

h = (32 m/s)²× (sin57°)²/(2 × 9.8 m/s²)

h = 1024 m²/s²× (0.8387)²/(19.6 m/s²)

h = 1024 m²/s²× (0.7034)/(19.6 m/s²)

h = 720.249 m²/s²/(19.6 m/s²)

h = 36.75 m

Now, since a second projectile is thrown vertically to the same maximum height, we need to find its initial speed.

Using the equation of motion v² = u² - 2gh where

Making u subject of the formula, we have

u = √(v² + 2gh)

Substituting the values of the variables into the equation, we have

u = √(v² + 2gh)

u = √[(0 m/s)² + 2 × 9.8 m/s² × 36.75 m]

u = √[0 m²/s² + 19.6 m/s² × 36.75 m]

u = √[720.3 m²/s²]

u = 26.84 m/s

u ≅ 26.8 m/s

So, the initial speed of the second ball is c. 26.8 m/s

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Answer:

[tex]\huge\boxed{\sf a = 6.4 \ m/s^2}[/tex]

Explanation:

Horizontal Force = 40 N

Frictional Force = 8 N

Mass = m = 5 kg

Acceleration = a = ?

[tex]\displaystyle a =\frac{F}{m}[/tex]

Since frictional force is opposing force, the resultant force will be horizontal force minus frictional force.

So,

Force = 40 - 8

Force = 32 N

So,

[tex]\displaystyle a = \frac{F}{m} \\\\a =\frac{32}{5} \\\\a = 6.4 \ m/s^2\\\\\rule[225]{225}{2}[/tex]

The correct statement about dwarf planet locations is :

Ceres is found in the asteroid belt and Eris, Makemake, Haumea, and Pluto are found in the Kuiper Belt.

A dwarf planet is described as a small planetary-mass object that is in direct orbit of the Sun, smaller than any of the eight classical planets but still a world in its own.

There are as of now five formally grouped dwarf planets in our solar system and they include:

Ceres, Pluto, Haumea, Makemake and Eris.

Ceres location is that it is situated inside the asteroid belt between the orbits of Mars and Jupiter, while the other smaller person planets are situated in the external nearby planetary group in, or close to, the Kuiper belt.

Another six articles are in all likelihood predominate planets, yet are sitting tight for official grouping, and there might be upwards of 10,000 diminutive person planets in the solar system.

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Complete question:

Which statement about dwarf planet locations is correct?

Eris is found in the Kuiper Belt and Makemake, Haumea, Ceres, and Pluto are found in the asteroid belt.

Ceres is found in the asteroid belt and Eris, Makemake, Haumea, and Pluto are found in the Kuiper Belt.

Ceres and Pluto are found in the Kuiper Belt and Makemake, Eris, and Haumea are found in the asteroid belt.

Haumea and Makemake are found in the asteroid belt and Pluto, Ceres, and Eris are found in the Kuiper Belt.

Answer:

Explanation:

T = 25 s

25 = 2*pi*sqrt(L/9.8)

L = 155.14 m

Answer:

Below

Explanation:

P1V1/T1  = P2V2/T2        T MUST be in Kelvin

                                         P1 = P2   so this becomes

V1/T1 = V2/T2

25/ (273.15 + 15) = 26 / (273.15 + X)         where 'X' is the °C afternoon temp

X = 26.5 °C

Answer:

In be either B or C ! :))

Explanation:

Ik its not much but hope it helped for now :D

The torque required, obtained by finding the product of the moment of inertia and the angular acceleration are as follows;

The torque, τ, that must be applied to the object to give it an angular acceleration of 1.00 rad/s² are;

Part A

Part B

Part C

Angular acceleration is the rate of change of angular velocity with time.

The torque is found from the product of the moment of inertia and the angular acceleration, therefore;

τ = I·α

Where;

τ = The torque

I = The moment of inertia of the mass

α = The angular acceleration

The moment of inertia of a point mass is; I = m·r²

Part A

The mass rotating about the x-axis, m = 9.0 kg

The distance to the point mass, r = 1.0 m

Therefore;

Iₓ = 9.0 kg × (1.0 m)² = 9.0 kg·m²

At α = 1.00 rad/s², we get;

The torque that must be applied to give it an angular acceleration of 1.00 rad/s² if it is rotated about the x-axis is; 9.0 N·m

Part B

If it is rotated about the y-axis, we get;

m = 2.5 kg

r = 2.0 m

[tex]I_y[/tex] = 2.5 kg × (2.0 m)² = 10.0 kg·m²

Part C

The combined moment of inertia of the point masses are therefore;

[tex]I_z[/tex] = (9.0 + 10.0) kg·m² = 19.0 kg·m²

The torque required is therefore;

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Answer:21

Explanation:

it is trust

The following describes a change to Earth’s surface due to weathering include the following below:

A. plants creating a crack in a rock formation

B. rocks along the beach being reshaped by wave action.

F. glaciers scraping rocks across the land

This is referred to as the process which involves the breaking down of rocks and minerals on Earths surface as a result of certain factors such as rain, glacier etc. They form cracks when they come in contact with rocks afterf a given period of time before they are disintegrated.

Weathering occurs when plants creating a crack in a rock formation and also when the rocks along the beach are being reshaped by wave action.It also involves the  glaciers scraping rocks across the land which is therefore the reason why option A, B and F was chosen as the correct choice.

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The options are:

A. plants creating a crack in a rock formation

B. rocks along the beach being reshaped by wave action

C. sand being blown to a new location by the wind

D. sediments moved from place to place by a river

E. rain washing soil down a steep hill

F. glaciers scraping rocks across the land

Answer:

D - Water

Explanation:

The weight of the space probe of mass 1000 kg is 24790 N.

Weight is the product of mass and gravitational acceleration

To calculate the weight of the Jupiter, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, The weight of the space probe is 24790 N.

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Answer: B im sorry if its wrong

Explanation:

The height above the ground in which the vase is raised is 51.02 m.

The height above the ground in which the vase is raised is calculated by applying the formula for gravitational potential energy.

Gravitational potential energy of an object is the energy possessed by the object due to the object's position above the ground.

Mathematically, the formula for gravitational potential energy is given as;

P.E = mgh

where;

The given parameters include;

mass of the vase = 0.2 kg

potential energy of the vase = 100 J

acceleration due to gravity = 9.8 m/s²

h = P.E / mg

h = (100) / (0.2 x 9.8)

h = 51.02 m

Thus, the height of the vase is a function of the potential energy and mass of the vase.

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The complete question is below:

a 0.2 kg vase has a potential energy of 100j. What is the height of the vase?

The person's weight during the entire elevator ride is equal to magnitude  of the normal force exerted by the elevator on the person.

Every day, we experience the typical force. For instance, when a book is placed on a table, the usual response force prevents the book from falling through the table, even though gravity is pulling the book downward. That implies that there is a force acting to push it upward. The word "normal force" refers to the force. Normal in this context refers to being perpendicular to the ground.

The person's apparent weight  during the entire elevator ride is equal to magnitude  of the normal force exerted by the elevator on the person.

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The rank of the forces in order of increasing magnitude is Fg < FB < FA.

option D is the correct answer.

The net force on an elevator moving upwards is determined by the force of gravity acting downwards and the normal force of the elevator acting upwards.

That is, the two forces acting on a person when he is moving in an elevator are:

When the two forces are of equal magnitude, the elevator will be static or moving with constant velocity.

When the magnitude of the two force are unequal, then the elevator will be accelerating upward or downward.

Since the elevator is moving upwards, it implies that the normal force is greater than the force of gravity acting downwards.

The box at the bottom will feel much heavier due to the weight of box and gravity acting downwards.

FA = FB + Fg

Thus, the force exerted on box A is the greatest, followed by the force on box B and then, the smallest is force of gravity.

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Answer:

they will fly

Explanation:

yes flying is fun

The acceleration, net force, and normal force by the car at the top of hill A are 4.5  meter/second² , 3180 N and 3180 N.

The acceleration, net force, and normal force by the car at the top of hill B are 4.17  meter/second² , 3379N and 3379 N.

The acceleration, net force, and normal force by the car at the top of hill C are 4.0  meter/second² , 3480 N and 3480 N.

Centripetal acceleration is a characteristic of an object's motion along a circular path. Centripetal acceleration applies to any item travelling in a circle with an acceleration vector pointing in the direction of the circle's center.

On hill A;

The centripetal acceleration = v²/r = 6²/8 meter/second² = 4.5  meter/second² .

The net force = m(g -a) = 600 (9.8 - 4.5) N = 3180 N.

The  normal force = 3180 N

On hill B;

The centripetal acceleration = v²/r = 5²/6 meter/second² = 4.17 meter/second² .

The net force = m(g -a) = 600 (9.8 - 4.17) N = 3379 N.

The  normal force = 3379 N.

On hill A;

The centripetal acceleration = v²/r = 4²/4 meter/second² = 4.0 meter/second² .

The net force = m(g -a) = 600 (9.8 - 4.0) N = 3480 N.

The  normal force = 3480 N.

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Floods are the most common type of natural disaster, occurring when an overflow of water submerges normally dry land.

Floods are frequently caused in coastal areas by heavy rainfall, rapid snowmelt, or a storm surge from a tropical cyclone or tsunami.

Flooding has a negative impact on people's lives. Damage to property and infrastructure Road closures, erosion, and landslides are all possible.

It leads to destruction of houses and properties.

In order to control flooding, it is important to clear the gutters and have an adequate channel for water to pass.

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During the third atmosphere on Earth, the same effect on Earth as it did on Mars. Heat energy was retained while water vapor was condensed.

The third atmosphere on the planet was created by volcanic outgassing and comet ice. This atmosphere had no oxygen, but plenty of carbon dioxide, water vapor, nitrogen gas, and methane gas.

When Earth's crust started to cool 2.5 billion years ago, there was less water vapor in the atmosphere, and more water condensed as liquid, resulting in the formation of Earth's third atmosphere.

This atmosphere was produced by volcanic outgassing, and it was the first to survive on Earth. A planet's atmosphere did not form through accretion while the formation of the planet's star.

Instead, its atmosphere forms as a result of internal volcanic activity or the aggregation of material from comet impacts.

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Explanation:

0.98

The coefficient of static friction is calculated by dividing the force required to set the chair in motion (112 N) by the weight of the chair (12 kg). This gives us 112/12 = 9.3. The coefficient of static friction is equal to the ratio of the force required to set the chair in motion to the weight of the chair, so 9.3/9.8 = 0.98.

A hungry polar bear does -40J of the work and stops the salmon. If the polar bear applied its force over 0.5m. The force is 80 Newton.

What is Force?

A force is an effect that can alter an object's motion according to physics. A force can cause an object with mass to accelerate when it changes its velocity, for as when it moves away from rest. An obvious way to describe force is as a push or a pull.

A force is a vector quantity since it has both magnitude and direction. It is calculated using the newton SI unit (N). Force is denoted by the letter F. (formerly P).

The net force acting on an object is equal to the rate at which its momentum varies over time, according to Newton's second law in its original formulation. This law says that an object's acceleration is constant if the object's mass is constant.

Therefore,  A hungry polar bear does -40J of the work and stops the salmon. If the polar bear applied its force over 0.5m. The force is 80 Newton.

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When two items with different temperatures come in contact with one another, energy moves from the hotter (higher temperature) object to the cooler (lower temperature) object until both objects reach the same temperature.

Once the temperatures are identical, there is no net heat transfer since the quantity of heat transported from one object to the next and the amount of heat radiated are equal.

Temperature change is one of the main consequences of heat transfer: Cooling brings down the temperature while heating brings it up.

Experiments reveal that three factors—the change in the substance's temperature, its mass, and specific physical characteristics associated to the substance—have an impact on how much heat is transported to or from a substance.

Therefore, When two items with different temperatures come in contact with one another, energy moves from the hotter (higher temperature) object to the cooler (lower temperature) object until both objects reach the same temperature.

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When an object experiences balanced forces on Earth, it would be at rest (option A).

Balanced forces are those forces that are opposite in direction and equal in size. They are considered as a state of equilibrium. Balanced forces are unable to change the motion or direction of an object i.e. they keep an object moving at a constant velocity. 

When forces are balanced, they cancel each other out, resulting in no change in motion for the object they are acting on. Unbalanced forces do not cancel each other out, and result in a change in motion for the object they are acting on.

The characteristics of balanced forces are as follows:

This suggests that an object on Earth will remain at rest if it experiences balanced forces.

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The angle that the rod makes with the horizontal is 9⁰.

The vertical direction of the left spring is determined  by applying the principle of equilibrium force as shown below.

The given parameters;

Apply the principle of equilibrium of force in vertical direction for left spring;

K_L(X_L) = 0.5(W)

65(X_L) = 0.5(11.76)

X_L = 5.88/65

X_L = 0.09 m

Apply the principle of equilibrium of force in vertical direction for right spring;

K_r(X_r) = 0.5(W)

30(X_r) = 0.5(11.76)

X_r = 5.88/30

X_r = 0.196 m

The angle made with the horizontal is calculated as;

θ = arc tan(X_r - X_L) / L

θ = arc tan[(0.196 - 0.09) / 0.67]

θ = arc tan(0.158)

θ = 8.99⁰

θ ≈ 9⁰

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Answer:

25g

Explanation:

According to a quick internet search, the half-life of I-131 is 8 days.

The amount left after 16 days can be calculated with the radioactive exponential decay formula:

[tex]A_(_t_)=A_0e^(^\frac{\ln(.5)}{T}^)^t[/tex]

Where:

[tex]A_(_t_)[/tex] = the amount left as a function of time

[tex]A_0[/tex] = the original amount (100g)

T = the half-life of the isotope (8d)

t = time (16d)

So:

[tex]A_(_t_)=A_0e^(^\frac{\ln(0.5)}{T}^)^t\\A_(_t_)=(100g)e^(^\frac{\ln(0.5)}{8d}^)^(^1^6^d^)\\A_(_t_)=(100g)e^-^2^(^\ln(2))[/tex]

[tex]A_(_t_)=25g[/tex]

This answer is intuitive because the isotope has been through two half-lives:

[tex]100g(\frac{1}{2})(\frac{1}{2})=25g[/tex]

The first step towards a bill becoming a law is for the bill to be introduced in Congress.

Next, the bill goes to a committee to be marked up, dropped, or sent to the floor.

After that, the bill is debated on the floor and can pass with a majority vote of the house that sponsored it.

In the next stage, the bill must go to the other chamber, to repeat the process.

After the bill is resolved in the conference committee, it goes to the president.

The Congress is sometimes referred to as Senate and it can be defined as a deliberative assembly or council of elected citizens found in the upper chamber or house of a bicameral legislature.

This ultimately implies that, Congress is a federal legislative arm of government of the United States of America, which is saddled with the responsibility of enacting and passing federal laws and bills for the citizens, with the steps enumerated above.

Generally speaking, the first step of making bill to become a law is introducing it to the Congress while the last step is the resolution of a bill if it is voted in favor by at least 44 senators, and then it finally goes to the president for assent through his or her signature.

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Complete Question:

Use the drop down menus to complete the sentences.

The first step in a bill becoming a law is for the bill to be _____.

Next the bill goes to _____ to be marked up, dropped or sent to the floor.

After that, the bill is debated on the floor and can pass on a majority vote of ____.

In the next stage, the bill must go to the ____ to repeat the process.

After the bill is resolved in the ____, it goes to the president.

Hope this answer helps you

The two column headings describe controlled variable be: pressure and temperature.

Anything kept constant or constrained in a research study is referred to as a control variable. Despite not being relevant to the study's objectives, this variable is controlled because it might have an impact on the results.

Variables can be controlled either directly by maintaining their value throughout a study (for example, by maintaining a constant room temperature in an experiment) or indirectly by using techniques like randomization or statistical control (e.g., to account for participant characteristics like age in statistical tests). Research biases like omitted variable bias can be avoided by including control variables in your analysis.

In the case of Franscisco wants to investigate how changing the shape makes the same amount of ice melt faster or slower when placed in a water bath, the two column headings describe controlled variable be: pressure and temperature.

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Answer:

from high temperature to low temperature areas

Explanation:

If it is correct, could you please give me brainliest? I would really appreciate it! Thank you!