Which one is it??? The question and the choice are in the photo.

8.3 m/s is the terminal velocity of the squirrel can be calculated using the equation for terminal velocity and 10.8 m/s is the velocity of a 50.0 kg person hitting the ground.

What is velocity?
Velocity is a measure of the speed of an object's motion in a particular direction. It is a vector quantity, meaning it has both magnitude and direction. Velocity is usually measured in meters per second (m/s).

The terminal velocity of the squirrel can be calculated using the equation for terminal velocity of an object in a fluid, which is given by Vt = (2×m×g)/(ρ×Cd×A). Here, m is the mass of the object, g is the acceleration due to gravity, ρ is the density of the fluid, Cd is the drag coefficient, and A is the reference area of the object. The drag coefficient for a horizontal skydiver is 0.8, and the density of air is 1.225 kg/m^3. Therefore, the terminal velocity of the squirrel can be calculated as Vt = (2×500×9.8)/(1.225×0.8×895) = 8.3 m/s.

The velocity of a 50.0 kg person hitting the ground can be calculated using the equation for the velocity at the end of a fall, which is given by Vf = sqrt(2×g×h). Here, g is the acceleration due to gravity and h is the height of the fall. Therefore, the velocity of the person hitting the ground can be calculated as Vf = sqrt(2×9.8×5.6) = 10.8 m/s.

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Answer:

6692J

Explanation:

Power is defined as the rate at which work is being done.

So,

    Power  = \(\frac{workdone}{time }\)  

  Work done  = Power x time

Given parameters:

Power  = 478watts

Time  = 14s

So;

 Work done  = 478 x 14  = 6692J

So, the force of gravity that the asteroid and the planet have on each other approximately

\( \boxed{\sf{5.43 \times 10^{10} \: N}} \)

Hi ! Now, I will help to discuss about the gravitational force between two objects. We already know that gravitational force occurs when two or more objects interact with each other at a certain distance and generally orbit each other to their center of mass. For the gravitational force between two objects, it can be calculated using the following formula :

\( \boxed{\sf{\bold{F = G \times \frac{m_1 \times m_2}{r^2}}}} \)

With the following condition :

We know that :

What was asked :

Step by step :

\( \sf{F = G \times \frac{m_1 \times m_2}{r^2}} \)

\( \sf{F = 6.67 \times 10^{-11} \times \frac{8.4 \cdot 10^8 \times 6.2 \cdot 10^{23}}{(8 \times 10^5)^2}} \)

\( \sf{F = \frac{347.374 \times 10^{-11 + 8 + 23}}{64 \times 10^10}} \)

\( \sf{F \approx 5.43 \times 10^{20 - 10}} \)

\( \boxed{\sf{F \approx 5.43 \times 10^{10} \: N}} \)

So, the force of gravity that the asteroid and the planet have on each other approximately

\( \boxed{\sf{5.43 \times 10^{10} \: N}} \)

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Hi there!

1.

Hooke's law states that:

F = -kx

k = Spring constant (N/m)

x = DISPLACEMENT from equilibrium (m)

Essentially, the force of a spring is PROPORTIONAL to its spring constant and its displacement from its equilibrium point.

2.

The force of the spring (T) is not proportional to the spring's length (l), but rather its DISPLACEMENT from its equilibrium length. (Δl)

3.

The equilibrium length is where the force of the spring (T) = 0N. Looking at the graph, the line intersects this value at l = 30cm.

4.

We can begin by looking at the given graph.

When the spring force = 4N, the total length of the spring is 35 cm.

Now, the EQUILIBRIUM length is 30 cm, so the total elongation is:

35 - 30 = 5 cm.

5.1.

If the spring elongates by 10 cm, the total length of the spring is:

30 + 10 = 40 cm

According to the graph, a length of 40 cm corresponds to a force of 8N.

5.2.

We can solve for the weight of the ball using the following:

W (weight) = m (mass) · acceleration due to gravity (10N/kg)

Using a summation of forces:

∑F = T - W

The elongation that we are solving for occurs at the equilibrium point (net force = 0 N), so:

0 = T - W

T = W = 8 N

5.3.

0 = T - Mg

T = Mg

Use the prior value of T and gravity to solve:

8 = 10M

m = 0.8 kg

Answer:

I would say pushing it from the top because when you push anything from the top it basically flips over. You can go ahead and try to push anything forward from the top and starts tipping forward. I think the reason would be because you're putting weight only on the top of the tv and that is what would cause it to topple

Explanation: Hope this helps:)

It is not true about minerals, that they always include oxygen and silicon. Option (A) is correct.

Minerals are inorganic, naturally occurring substances with a crystalline structure and a particular chemical makeup. They are solid substances that are created over a long period of time by geological processes in the crust of the Earth.

Even while silicon and oxygen are frequently occurring components in many minerals, not all minerals necessarily contain these elements. Minerals are inorganic, naturally occurring substances with a crystalline structure and a particular chemical makeup. They can be made of a wide range of substances, including silicon and oxygen, among others.

Hence, It is not true about minerals, that they always include oxygen and silicon. Option (A) is correct.

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Answer:

it is A

Explanation:

The angular velocity of the propeller is 136.1 rad/s; linear velocity is 153.1 m/s; centripetal acceleration 20835.2 m/s² and 2123.8 g.

The angular velocity of the propeller in rad/s is given as follows:

1300 rev/min = 1300 * 2π/60 = 136.1 rad/s.

b. The linear velocity, v = radius * angular velocity

Linear velocity, v = 2.25/2 * 136.1

v = 153.1 m/s

c. Centripetal acceleration, \(a = \frac{v^{2}}{r}\)

\(a = \frac{(153.1)^{2}}{1.125} = 20835.2\:ms^{2}\)

Centripetal acceleration in terms of g; \(g = \frac{20835.2}{9.81} = 2123.8 g\)

Therefore, the angular velocity of the propeller is 136.1 rad/s; linear velocity is 153.1 m/s; centripetal acceleration 20835.2 m/s² and 2123.8 g.

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The  centripetal acceleration of the bucket at the bottom of the circular loop is 36 m/s².

The net force at the bottom of the circular loop is 68.7 N.

The given parameters:

The  centripetal acceleration of the bucket at the bottom of the circular loop is calculated as follows;

\(a_c = \frac{v^2}{r} \\\\a_c = \frac{6^2}{1} \\\\a_c = 36 \ m/s^2\)

The net force at the bottom of the circular loop is calculated as follows;

\(F_{net} = m(g + a_c)\\\\F_{net} = 1.5(9.8 + 36)\\\\F_{net} = 68.7 \ N\)

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Answer:

ANSWER : 2000 / 40 = 50 m / s

Answer:

so you have your boxes go by tens on the x-axis okay which is the one going straight up then the second number goes by 5's is your y-axis. 30,6 so 30 is your x and 6 is your y. start at 0,0 which is the little corner piece. find 30 on x and then go over 6 and that's it!

Explanation:

Answer:analize a afirmacao a seguir e tudo que envolve o gerenciamento da marca e que ultrapassa as acoes com objetivos economicos e refere se a cultura principios e valores

Explanation:

Answer:

\(\boxed {\boxed {\sf 6,000 \ Newtons}}\)

Explanation:

Force is the product of mass and acceleration.

\(F=ma\)

The mass of the Kia Soul is 1200 kilograms and its acceleration is 5 meters per square second.

\(m= 1200 \ kg \\a= 5 \ m/s^2\)

Substitute the values into the formula.

\(F= 1200 \ kg * 5 \ m/s^2\)

Multiply.

\(F= 6000 \ kg*m/s^2\)

\(F= 6000 \ N\)

Answer:

Force

We know that

F = ma

F = Force

m = mass

a = acceleration

F = 1200 × 5

F = 6000 N

\( \\ \)

Newtonian relativity, also referred to as Galilean relativity, is the idea that physical laws apply equally to all observers moving uniformly with respect to one another.

Gravitational fields are treated as being comparable to acceleration in general relativity. The idea has connections to cosmology, stellar physics, and even the evolution of the cosmos. Every non-accelerating frame of reference, also known as an inertial frame, or one with constant velocity, is subject to Newton's laws.

The general theory of relativity, which Einstein presented in 1915, states that the space-time curvature is what generates the gravitational pull that humans perceive.

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Answer:

it will burn up in the Earth's atmosphere.

Explanation:

The structure of the Earth's atmosphere protects the surface from frequent meteoroid strikes. As a meteoroid enters the atmosphere from outer space, it moves at very high speeds. At such speeds, intense amounts of friction and heat result. This process usually causes small meteoroids to burn up in the Earth's atmosphere before ever reaching the surface.

Answer: fracture zones indicate the locations of once-active underwater faults

Explanation:

The average speed of the whole journey is 54 mph.

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The lab experiment found that light travels faster in Mystery A compared to Mystery B, with average speeds of 3.0 and 2.8, respectively. The increase in the index of refraction for the second medium led to a higher angle of refraction, resulting in light bending more. These findings have practical implications for optics and communications.

1. Light would travel faster in Mystery A since the average speed of light in Mystery A (3.0) is higher than Mystery B (2.8).

2. Increasing the index of refraction for the second medium leads to an increase in the angle of refraction. When light comes in at a lower angle, it bends more.

3. In conclusion, this lab experiment showed that the speed of light in a material is influenced by the material's index of refraction. Mystery A had a higher average speed of light compared to Mystery B, indicating that light travels faster in Mystery A. Additionally, the angle of refraction increased as the index of refraction for the second medium was increased. These findings have practical applications in the field of optics and communications.

Hence,The laboratory experiment discovered that, with average speeds of 3.0 and 2.8, respectively, light moves more quickly in Mystery A than Mystery B. Light bent more as a result of the second medium's increased index of refraction due to a higher angle of refraction. For optics and communications, these findings have real-world applications.

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Given data

*The given current is I = 1 Ampere

*The given time is t = 1 s

The expression for the charge is given as

Substitute the known values in the above expression as

Hence, 1 Coulomb of charge flows through each lamp

The formula for the number of electrons in one Coulomb of charge is calculated as

*Here e = 1.6 × 10^-19 C is the charge of the electron

Substitute the known values in the above expression as

This is the pressure at the top of the container due to the height of the water. The pressure at the bottom of the container due to the height of the water is 0 Pa since the datum was set at the bottom.

Pressure is a physical quantity used to measure the force applied by an object to another object or by an object to a surface. It can be expressed as the force per unit area and is typically measured in units such as pounds per square inch (psi) or pascals (Pa). Pressure can be applied to gases, liquids, and solids, and is generated by the weight of the atmosphere, the force of gravity, and by the movement of air or liquids. Pressure can also be created by mechanical devices such as pumps and compressors, as well as by chemical reactions.

ρ = density of water = 1000 kg/m3

g = acceleration due to gravity = 9.81 m/s2

h = height of the container = 7.7 in = 0.198 m

Using the equation ρgh = density x gravity x height, we can calculate the pressure at the top of the container to be:

ρgh = (1000 kg/m3)(9.81 m/s2)(0.198 m) = 1960.38 Pa

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Answer:

increases

Explanation:

it would have to work harder to get to two points together

Answer:

An object with negative acceleration could be speeding up, and an object with positive acceleration could be slowing down.

Explanation:

hope this helps

have a great day/night

In general, option c - warming it up on the stove - is often an effective method to increase the reaction rate.

Increasing the temperature of a reaction generally leads to faster reaction rates. This is because higher temperatures provide more thermal energy to the reactant particles, causing them to move faster and collide more frequently. The increased collision frequency and energy lead to more successful collisions and a higher likelihood of effective molecular interactions, which speeds up the reaction. On the other hand, options a and b - putting it in the fridge where it is cold or covering it with a blanket to make it dark - are unlikely to have a significant effect on the reaction rate. While temperature can influence reaction rates, cooling the reaction or making it dark typically reduces the kinetic energy of the particles, resulting in slower reaction rates. Option d - there is nothing you can do to change the speed of the reaction - is not accurate. The reaction rate can be influenced by various factors such as temperature, concentration, catalysts, and surface area, among others. By manipulating these factors, it is often possible to control and change the speed of a reaction. Hence option c, is correct

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Roll a skateboard on sand, then roll it on gravel. - this experiment could answer this question. Hence, option (B) is correct.

An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before. Experiments show what happens when a specific factor is modified, which sheds light on cause-and-effect relationships.

The purpose and scope of experiments vary widely, but they all rely on a repeatable process and a logical examination of the outcomes. Natural experimental experiments are also a thing.

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Speed = Distance/ time. Kinetic energy is 1/2 mv2. The kinetic energy is 16.2 J.

Thus, A fundamental idea in physics known as kinetic energy quantifies the work done by an object as a result of its motion. It is essential to our comprehension of many commonplace actions like walking, jumping, and throwing as well as more complicated events like falling.

We shall examine the definition, units of measurement, examples, and transformations of the notion of kinetic energy in this article. Additionally, we will develop the kinetic energy equation and look at how it relates to other types of energy.

We'll also look at the many kinds of kinetic energy and talk about the difference between kinetic and potential energy.

Thus, Speed = Distance/ time. Kinetic energy is 1/2 mv2. The kinetic energy is 16.2 J.

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Answer:

Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces.

To calculate the speed of the electrons in terms of the speed of light, we can use the relativistic kinetic energy equation:

KE = (γ - 1)mc^2

where KE is the kinetic energy of the electron, m is its rest mass, c is the speed of light, and γ is the Lorentz factor:

γ = 1/√(1 - v^2/c^2)

where v is the velocity of the electron.

To find v, we can use the relationship between kinetic energy and voltage:

KE = qV

where q is the charge of the electron and V is the voltage difference.

Substituting qV for KE, we get:

qV = (γ - 1)mc^2

Rearranging, we get:

γ = 1 + qV/mc^2

Substituting q = -1.6 x 10^-19 C (the charge of the electron), V = 295 kV, and m = 9.11 x 10^-31 kg (the rest mass of the electron), we get:

γ = 1 + (-1.6 x 10^-19 C)(295 x 10^3 V)/(9.11 x 10^-31 kg)(3 x 10^8 m/s)^2

γ = 1.344

Finally, we can calculate the speed of the electrons in terms of the speed of light:

γ = 1/√(1 - v^2/c^2)

1.344 = 1/√(1 - v^2/(3 x 10^8 m/s)^2)

Squaring both sides and solving for v, we get:

v = 0.9964c

Therefore, the speed of the electrons is 0.9964 times the speed of light

The pilot's total velocity is 116.3 knots in the direction of 62.3⁰.

The pilot's total velocity is calculated by applying the principle of relative velocity.

The total velocity is also the resultant velocity and the magnitude of the pilot's total velocity is calculated by applying Pythagoras theorem as follows;

R = √ (V₁² + V₂²)

R =  √ (54² + 103²)

R = 116.3 knots

The direction of the velocity vector is calculated as follows;

tan θ = (103 knots) / (54 knots)

θ = tan⁻¹ (103/54)

θ = 62.3⁰

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The 10/90 principle can be a powerful tool for taking control of your situation and improving your life. By taking responsibility for what you can change and focusing on your reaction to the situation, you can make positive changes in your life and become the master of your own destiny.

The 10/90 principle refers to the idea that life is made up of 10% of what happens to you and 90% of how you respond to it. In other words, you may not be able to control what happens to you, but you can control your reaction to it. By taking responsibility for what you can change rather than being a victim of what you cannot change, you can take control of your situation and improve your life.One example of a situation where the 10/90 principle could be applied is losing a job. Losing a job can be a devastating experience, and it can be easy to feel like a victim in this situation. However, by applying the 10/90 principle, you can take control of your situation and make positive changes in your life.The first step in applying the 10/90 principle in this situation would be to take responsibility for what you can change. This could mean updating your resume, networking with others in your field, and applying for new jobs. By taking action and doing what you can to find a new job, you are taking control of your situation and improving your chances of finding a new job.
The second step would be to focus on your reaction to the situation. Instead of dwelling on the negative aspects of losing your job, try to focus on the positive aspects. This could mean using the extra time to pursue a new hobby or spend more time with family and friends. By focusing on the positive aspects of the situation, you are taking control of your reaction and improving your overall well-being.
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