The speed of an ostrich is measured to be 63 km/h. What is this speed in meters per second?

Answer:

D all of these

Explanation:

Extrinsic statements originate in parents ,society and teachers. Option D is correct.

Extrinsic motivation is defined as conduct motivated by external incentives. Extrinsically driven people will continue to do something even if it isn't pleasurable or rewarding in and of itself.

These incentives might be monetary or intangible in nature, such as acclaim or renown. Extrinsic motivation is distinct from intrinsic motivation in that it is only motivated by external incentives.

Extrinsic statements originate in;

a. Parents

b. Society

c. Teachers.

Extrinsic statements originate in all of the above given option.

Hence, option D is correct.

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Answer:

The answer is A if it was right give it the brainiest

Answer:

Light shining on a surface has gaps after passing through two slits.

got answered, your welcome :)

When you push a pencil off your desk, the energy transformation that takes place is that potential energy transforms into kinetic energy.

The correct answer to the given question is option C.

Potential energy is the energy stored within an object because of its position or configuration.

In this scenario, the pencil has potential energy because of its elevated position on the desk. When the pencil is pushed off the desk, it begins to move, which means that it has kinetic energy. Kinetic energy is the energy of motion.

As the pencil falls off the desk, its potential energy is transformed into kinetic energy, which is the energy that results from its motion. The faster the pencil falls, the greater its kinetic energy will be because kinetic energy is directly proportional to the square of an object's velocity.

Therefore, when you push a pencil off your desk, the potential energy that it has because of its elevated position is transformed into kinetic energy as it falls towards the ground.

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A hockey puck can transfer kinetic energy by

When a hockey player hits the puck with their stick, they transfer kinetic energy to the puck.

The puck then moves across the ice, and if it collides with another object (such as the boards or another player's stick), some of the kinetic energy from the puck is transferred to that object through touch.

This demonstrates that kinetic energy can move from one item to another and that energy transfers from materials through touch.

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Answer:

Since friction is a force it is measured in newtons

Hope this helps

The tension in the string is approximately 70 N (option 2).

To solve the problem, we need to find the net force acting on the object and use it to calculate the tension in the string.

The force due to gravity on the object is given by:

F_gravity = m * g

where m is the mass of the object and g is the acceleration due to gravity. Since the object is at rest with respect to the ground, the gravitational force is balanced by the tension in the string. That is:

Tension = F_gravity = m * g

where Tension is the tension in the string.

However, in the elevator, the object is accelerated upward with an acceleration of 1.8 m/s^2. This creates an additional force on the object:

F_net = m * a

where F_net is the net force acting on the object and a is the acceleration of the elevator.

To find the tension in the string, we need to add this net force to the force due to gravity and set it equal to the tension:

Tension = F_gravity + F_net = m * g + m * a

Plugging in the values:

Tension = (6.0 kg) * (9.81 m/s^2) + (6.0 kg) * (1.8 m/s^2)

Tension = 58.86 N + 10.8 N

Tension = 69.66 N

Therefore, the tension in the string is approximately 70 N (option 2).

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Answer:

option a

Explanation:

The phase of matter

maybe this might help u

The given statement is true that Once the depth of snow and ice reaches more than 30 to 40 meters, the force of friction begins to pull a glacier down.

The magnitude of friction is merely the product of μ and N, where μ is the coefficient of friction and N is the normal or perpendicular force mentioned above, referenced to the plane of action.

The coefficient of friction is a dimensionless quantity generally between zero and one which describes the stickiness between two surfaces, zero being not sticky at all and one being very sticky.

It is a quality of the interface of the two surfaces. Ice and sand have a particular , while ice and steel have another, depends on the smoothness of the interface and the adhesion or cohesion between the substances (adhesion for unlike materials, cohesion for like materials, primarily electronic attraction).

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The net work done on the weights is 700 joules.

What is net force?
The total of all forces acting on the object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion. When there are a lot of forces acting on a system, the term "net force" is used. The total of all forces acting on an object is known as the net force. A mass can accelerate due to net force. A body is subject to another force whether it is at rest or in motion. When there are a lot of forces acting on a system, the term "net force" is used. When a force is applied to a body, numerous additional forces, such as gravitational force Fg, frictional force Ff, and the normal force, also work to balance the applied force.

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Isaac Newton's law of universal gravitation was a significant contribution to the scientific revolution, as it brought together the principles of astronomy, physics, and mathematics to explain the motions of celestial bodies.

Prior to this, many scientists and philosophers had believed that the movements of the planets and stars were controlled by divine forces, rather than natural laws.
Newton's law of universal gravitation provided a mathematical formula to explain the attraction between two objects, such as the Earth and the Moon, or the Sun and the planets. This law demonstrated that the force of gravity acted not only on objects on Earth but also extended out into space.
Newton's law also demonstrated the power of scientific reasoning, observation, and experimentation. It allowed scientists to make predictions about the movements of celestial bodies and to test those predictions through observation and measurement. This approach paved the way for the development of modern physics and astronomy, which rely heavily on mathematical models and experimentation.
Overall, Newton's law of universal gravitation helped bring the scientific revolution to maturity by providing a unifying explanation for the movements of celestial bodies and by demonstrating the power of scientific reasoning and experimentation.

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Answer:

a) 3.9s

b)74m

Explanation:

a) v=u+at

0=38+(-9.8)t

-38=-9.8t

t=-38/-9.8

t=3.877s

t=3.9s

b) s=ut+1/2at²

s=(38×3.9)+1/2(-9.8×3.9²)

s=148.2 -74.529

s=73.671

s=74m

Answer:

Josie's ball faster than T

causes other electric charges in the electric field to move. When a charge is placed in an electric field, the field will either pull or push the charge.

A charge moves, transferring energy that can be put to use for work. The force of attraction or repulsion between charged particles is what moves a charge because it is the same force that builds up a charge in the first place.

An electric field pushes the charges forward. We require an electric potential (voltage) source to force electrons from a point of low potential energy to one of higher potential energy.

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The magnitude of the capacitive reactance (XC) at a frequency of 10 kHz, with a capacitance (C) of 10 nF, is approximately 159.155 ohms.

The magnitude of the capacitive reactance (XC) can be calculated using the formula:

XC = 1 / (2 × π × f × C)

where:

f is the frequency in hertz,

C is the capacitance in farads, and

π is a mathematical constant (approximately 3.14159).

Given that the frequency is 10 kHz (10,000 Hz) and the capacitance is 10 nF (10 × 10⁻⁹ F), we can substitute these values into the formula:

XC = 1 / (2 × π × 10,000 Hz × 10 × 10⁻⁹ F)

XC = 1 / (2 × 3.14159 × 10,000 Hz × 10 × 10⁻⁹ F)

XC = 1 / (62,831.853 Hz × 10 × 10⁻⁹ F)

XC = 1 / (6.28318 × 10⁻³ Ω)

XC = 159.155 Ω

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The plane travels a distance of 325 miles if the airplane travels for 2.5 hours at an average speed of 130 miles per hour. Using the distance formula (d = rt), we can calculate the distance.

To find the distance traveled by the airplane, we can use the distance formula, which is represented as d = rt. In this formula, "d" represents the distance, "r" represents the rate or speed at which the object is traveling, and "t" represents the time taken for the travel.

Given that the airplane travels for 2.5 hours at an average rate of 130 miles per hour, we can substitute these values into the formula. The rate of the airplane is 130 miles per hour, and the time taken is 2.5 hours.

Using the formula, we can calculate the distance traveled as follows:

d = rt

d = 130 mph × 2.5 hours

Multiplying the rate (130 mph) by the time (2.5 hours) gives us:

d = 325 miles

Therefore, the airplane travels a distance of 325 miles during the 2.5 hours of travel at an average rate of 130 miles per hour.

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An additional charge of 4.0 μC flows to the positive plate of the capacitor.

Initially, when the uncharged capacitor is connected to the 3.0 V battery, 6.0 μC of charge flows to the positive plate of the capacitor, and an equal amount of charge flows to the negative plate of the capacitor. Therefore, the final charge on each plate of the capacitor is 6.0 μC.

Now, when the 3.0 V battery is disconnected and replaced with a 5.0 V battery, the potential difference across the capacitor becomes 5.0 V. Since the capacitance of the capacitor remains constant, the final charge on each plate of the capacitor can be calculated using the formula: Q = CV

Where Q is the charge, C is the capacitance, and V is the potential difference across the capacitor.

Therefore, the final charge on each plate of the capacitor is:

Q = CV = (6.0 × 10⁻⁶ F) × (5.0 V) = 30.0 μC

Since the initial charge on each plate was 6.0 μC, the additional charge that flows to the positive plate when the 5.0 V battery is connected is: 30.0 μC - 6.0 μC = 24.0 μC

Therefore, an additional charge of 24.0 μC flows to the positive plate.

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The phase plot shows that the phase decreases linearly with a slope of -90°/decade.

To draw the asymptotic Bode plots of the closed-loop system with the given transfer function and proportional controller, we need to follow these steps:

Step 1: Find the transfer function of the closed-loop system.

The transfer function of the closed-loop system can be obtained by multiplying the transfer function of the plant (position sensor) with the transfer function of the controller. In this case, the transfer function of the plant is H(s) = 1/(s + 1), and the transfer function of the proportional controller is G(s) = Kp = 1. Therefore, the transfer function of the closed-loop system is:

T(s) = G(s) * H(s) = 1/(s + 1)

Step 2: Convert the transfer function to the frequency domain.

To plot the Bode plots, we need to convert the transfer function T(s) to the frequency domain. The given transfer function T(s) = 1/(s + 1) is already in the Laplace domain, so we don't need to perform any additional conversion.

Step 3: Draw the Bode plots.

The Bode plot consists of two parts: magnitude plot and phase plot. We'll start with the magnitude plot.

Magnitude Plot:

The magnitude of the transfer function T(s) = 1/(s + 1) is given by |T(jω)|, where ω is the angular frequency.

At low frequencies, when ω << 1, we can approximate the magnitude as follows:

|T(jω)| ≈ |1/(jω + 1)| ≈ |1/(1 + jω)|

To find the magnitude, we can evaluate |T(jω)| = |1/(1 + jω)| for different values of ω.

When ω = 0:

|T(jω)| = |1/(1 + j0)| = |1/1| = 1

When ω → ∞:

|T(jω)| ≈ |1/(1 + j∞)| ≈ |1/∞| = 0

Therefore, the magnitude plot starts at 0 dB (magnitude = 1) and gradually decreases as the frequency increases.

Phase Plot:

The phase of the transfer function T(s) = 1/(s + 1) is given by ∠T(jω).

To find the phase, we can evaluate ∠T(jω) = ∠(1/(1 + jω)) for different values of ω.

When ω = 0:

∠T(jω) = ∠(1/(1 + j0)) = ∠(1/1) = 0°

When ω → ∞:

∠T(jω) ≈ ∠(1/(1 + j∞)) ≈ ∠(1/∞) = -90°

Therefore, the phase plot starts at 0° and decreases linearly with a slope of -90°/decade.

Combining the magnitude and phase plots, the asymptotic Bode plots for the closed-loop system with the given transfer function and proportional controller would look like this:

Magnitude plot:

```

 20 * log10(1)   |-----------------  

                 |

                 |

                 |

                 |

                 |

                 |

                 |

                 |

                 |

                 |

   0 dB          |-----------------

                 f_c

```

Phase plot:

```

                 |-----------------  

                 |

                 |

                 |

                 |

                 |

                 |

                 |

                 |

                 |

-90°             |-----------------

                 f_c

```

In the magnitude plot, the frequency f_c represents the frequency at which the magnitude is at its maximum value (

0 dB). The phase plot shows that the phase decreases linearly with a slope of -90°/decade.

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Answer:

1)The connection should be tight.

2)The wire should be connected at the terminals not in between.

3)clean the ends of the wire by sandpaper.

4)Take the voltmeter and ammeter in proper range.

5)The rheostat should be used of low resistant(about 100).

Answer:

Qualitative, Quantitative, Qualitative, Quantitative, and Qualitative.

Explanation:

\(\qquad\qquad\huge\underline{{\sf Answer}}♨\)

Here we go ~

❖ Qualitative data determines the property or characteristics of certain object or behavior.

❖ Quantitative data determines the number or quantity of a substance. basically dealing with how much/many things are being used.

Now let's move on to questions ~

#1. Carbon is a organic molecule.

- Qualitative

#2. The forest is 25% oak trees.

- Quantitative

#3. Water contains covalent bonds.

- Qualitative

#4. Sheila's blood pressure is 120/80.

- Quantitative

#5. The bat arm and human arm have similar bone structure

- Qualitative

A force that resists motion of two surfaces that are touching is known as friction.

when attempting to slide an object across two surfaces, there is resistance. When "rough edges" interact at the molecular level, friction results: Every time there is friction, the direction of motion is reversed.

The force that opposes motion when the surface of one object rubs against the surface of another is known as friction.

opposing forces These comprise: Friction is a force that tries to stop two surfaces from slipping or sliding when they are in contact. The motion is countered by air resistance, which acts.

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The hydrostatic force against one side of the circular plate can be expressed as an integral ∫ρghdA, where ρ is the density of water, g is the acceleration due to gravity, h is the depth of the plate below the water surface, and dA represents an infinitesimal area element of the plate. The integral needs to be evaluated to find the hydrostatic force.

To determine the hydrostatic force acting on one side of the circular plate submerged in water, we can use the concept of pressure and integrate it over the surface area of the plate. The hydrostatic force is a result of the pressure difference between the top and bottom surfaces of the plate.

We start by setting up the integral using the formula ∫ρghdA, where ρ is the density of water, g is the acceleration due to gravity, h is the depth of the plate below the water surface, and dA represents an infinitesimal area element of the plate.

In this case, the plate is submerged vertically in water, so the depth h remains constant throughout the plate. The density of water is given as 1,000 kg/m³, and the acceleration due to gravity is 9.8 m/s².

To evaluate the integral, we need to express dA in terms of the variables involved. For a circular plate, dA can be represented as r dθ dr, where r is the radial distance from the center of the plate and θ is the angle.

By substituting the appropriate values and integrating over the surface area of the plate, we can calculate the hydrostatic force against one side of the plate.

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Answer:

The reaction force is the water pushing the swimmer in the rightward direction.

Hope you could get an idea from here.

Doubt clarification - use comment section.

The other wavelength is 775 nm, since (5/4) times 620 nm is 775 nm.

we need to understand that the diffraction pattern of a single slit consists of a series of bright fringes (maxima) and dark fringes (minima) that are spaced apart by certain angles. The position of these fringes depends on the wavelength of the incident light and the width of the slit.

In this case, we are told that the fifth minimum of one wavelength component coincides with the fourth minimum of the pattern due to a wavelength of 620 nm. Let's call this wavelength λ1. We want to find the other wavelength, which we'll call λ2.
sinθ = mλ / d
For the fifth minimum of λ1, we have:
sinθ1 = 5λ1 / d
For the fourth minimum of λ2, we have:
sinθ2 = 4λ2 / d
sinθ1 = sinθ2
5λ1 / d = 4λ2 / d
λ2 = (5/4) λ1

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Answer:

I mean its frictionless and its at the bottom so wouldn't it be 0.

Explanation:

Answer:

can you make it clear i do not understand.

Explanation:

Answer:

C. Mg3N2

Explanation:

Magnesium has a positive 2 charge and nitrogen has a negative 3 charge. To completely balance it out, you need three magnesium’s and two nitrogen’s. The final charge for magnesium would be positive 6 and the final charge for nitrogen would be negative 6, this will make it neutral.

Answer:

C. Mg3N2

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The argon molecules become solid when the temperature decrease from 20C to -190 C.

The changes in arrangement and movement of the particles of the argon occurs as the temperature of the air decreased because the argon gas begins to freeze. The freezing point of argon is -189 Celsius so when the temperature decrease from 20C to -190 C, the argon molecules becomes solid.

So we can conclude that the argon molecules become solid when the temperature decrease from 20C to -190 C.

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Answer:

You need to give the options but the formula is p=mv

Explanation: