1. Find the momentum of an object of mass 5 kg with a velocity of 2 m/s. *
a. 2.5 kg.m/s
O b. 10 kg.m/s
c. 0.25 kg.m/s
d. 20 kg.m/s

Answer:

Answer:

watch over the moon and you will get your answer.

Explanation:

Explanation:

The change in entropy is a measure of temperature. When the temperature of a compound or a system increases, there will be more randomness in the system.

The boiling point is directly related to the number of carbon atoms but is indirectly proportional to the branching in a hydrocarbon.

Butane and methyl propane, both have 4 carbon atoms.

But, butane has 4 carbon atoms in a straight chain while methyl propane has 3 carbon atoms in a straight chain and 1 methyl substituent which makes it a branched hydrocarbon.

Thus, the boiling point of methyl propane will be less than the butane. Likewise, the pattern in entropies will be seen.

Answer:

i say amen to that brother a big amen

The correct answer is d. isomer. Isomers are compounds that have the same chemical formula, but different arrangements of atoms within the molecule.

1 This leads to different molecular structures and, often, different chemical and physical properties. Isomers can exhibit differences in properties such as boiling point, melting point, reactivity, and biological activity. The presence of isomers is a result of the phenomenon known as isomerism, where compounds with the same molecular formula can have distinct structural arrangements.

2) The continental average geothermal gradient is approximately 25C/km, as stated in option b. The geothermal gradient refers to the rate at which temperature increases with increasing depth within the Earth's crust. It is expressed in degrees Celsius per kilometer (C/km). The continental average geothermal gradient is an approximation of the average temperature increase per kilometer of depth across continental landmasses. However, it's important to note that the geothermal gradient can vary significantly depending on geological factors, such as tectonic activity, rock composition, and local geologic conditions.

3) The four mechanisms of heat flow are conduction, convection, advection, and radiation.

- Conduction is the transfer of heat through direct contact between molecules or particles. It occurs in solid materials where heat is transferred from higher temperature regions to lower temperature regions.

- Convection is the transfer of heat through the movement of fluid, either liquid or gas. It involves the circulation of heated material, which carries heat energy from one place to another.

- Advection refers to the transfer of heat by the movement of a fluid, such as wind or water, over a surface. It involves the transport of heat by the bulk movement of the fluid itself.

- Radiation is the transfer of heat through electromagnetic waves. It does not require a medium for transfer and can occur in a vacuum. Radiative heat transfer occurs through the emission, absorption, and transmission of electromagnetic radiation.

4) During increased sedimentation, the geothermal gradient tends to decrease. Sedimentation refers to the accumulation of sediments, such as sand, silt, and clay, on the Earth's surface or in bodies of water. When sediments accumulate, they act as insulating layers that hinder the transfer of heat from the deeper regions of the Earth's crust. This insulation reduces the amount of heat conducted upwards, resulting in a decrease in the geothermal gradient. Therefore, option a, the geothermal gradient decreases, is the correct answer.

5) The "oil window" is primarily controlled by how temperature changes with depth, as indicated in option d. The oil window refers to the range of temperatures within which hydrocarbons, particularly oil, can be generated and preserved. It represents the thermal conditions necessary for the organic matter present in sedimentary rocks to undergo thermal maturation and generate hydrocarbons. The temperature changes with depth are influenced by various factors, including the geothermal gradient, the thermal conductivity of rocks, and the heat flow from the Earth's interior. As the temperature increases with depth within the Earth's crust, it reaches a range where the organic matter transforms into hydrocarbons, defining the boundaries of the oil window.

To learn more about molecule, click here:
brainly.com/question/30337264

#SPJ11

Answer:

C or B

Explanation:

it said that the ball was dropped from the same height but answer C could also be the answer because it said that it was the same ball

Answer:

I know I am probably late but I still hope my answer helps you in the future, its actually the temperature of the ball, I took the test so it is the right answer the other person who answered, I clicked the type of ball but the quiz said it was wrong and that its actually the temperature of the ball

Explanation:

The Schrödinger equation and the Born Rule, together form the foundation of quantum mechanics and are essential for understanding and predicting the behavior of quantum systems.

The two fundamental laws that lie at the heart of quantum mechanics are:

1. The Schrödinger equation: The Schrödinger equation is the fundamental equation in quantum mechanics that describes the behavior of quantum systems. It mathematically represents the wave function of a quantum system and how it evolves over time. The Schrödinger equation provides a probabilistic description of the behavior of particles and predicts the probability distribution of their various properties, such as position, momentum, and energy.

2. The Born Rule or Postulate: The Born Rule, also known as the Born Postulate, is a fundamental principle in quantum mechanics that connects the wave function of a system to the probabilities of different measurement outcomes. According to the Born Rule, the square of the amplitude of the wave function at a given point provides the probability of finding a particle in a particular state or having a specific measurement result. It links the mathematical wave function description of a system to the actual observed probabilities when making measurements on the system.

These two laws, the Schrödinger equation and the Born Rule, together form the foundation of quantum mechanics and are essential for understanding and predicting the behavior of quantum systems. They provide the mathematical framework to describe the wave-particle duality, superposition, entanglement, and other fundamental phenomena observed in the quantum world.

To know more about quantum mechanics here

https://brainly.com/question/23780112

#SPJ4

Answer:-50 J

Explanation:

Answer: -50 N

Explanation:

Answer:

C) an object that moves at constant velocity.

Explanation:

It is equilibrium because acceleration is just the speed and force at the beginning, while velocity is the overall speed that has remained constant throughout the cycle of the object's movement.

ANSWER:

polarized

STEP-BY-STEP EXPLANATION:

When negative charges are concentrated at one end of an object that is made of a conductive material, this happens when the object is polarized.

When vapour refrigerant is being charged into a system and the cylinder pressure falls to the point where the refrigerant won't enter the system, you need provide heat to maintain the cylinder pressure.

A vapour refrigerant is a working fluid that is used in the refrigeration cycle of air conditioners and heat pumps. In this cycle, they typically go through repeated phase changes from a liquid to a gas and back again is called vapour refrigerant.

Cylinder The four strokes of an engine's functioning produce cylinder pressure in the cylinder (intake, compression, combustion and expansion, and exhaust). One may contend that the pressure experienced during expansion is the most crucial because it represents the cylinder pressure acting on the piston to generate power.

Learn more about cylinder pressure here

https://brainly.com/question/13018949

#SPJ4

Answer: 160 km

Explanation:

Question:

What is uniform rectilinear motion?

Answer:

Uniform rectilinear motion is when an object travels at a constant speed with zero acceleration.

Answer:

8.37757

Explanation:

may i have brainliest

Irving is most likely using a buried electrical cable to power the light at his entrance.

He is used a buried electrical cable.

The type of cable he is using is determined by the requirements of the specific application, including the power needed to be carried, the location and environment of the cable, and any electrical codes or regulations that apply.

In the case of an underground electrical cable for lighting, the most common type of cable used is a low voltage (12-24 V) direct burial cable, made of copper or aluminum wires encased in a protective insulation. This type of cable is specifically designed to be buried underground and is resistant to moisture, chemicals, and temperature changes. It is also available in various lengths and gauges, which can be selected to match the required power load of the light.

If the light requires higher voltage power, then a high voltage (120-240 V) direct burial cable, also made of copper or aluminum, may be used. However, it will require a conduit or protective casing to be buried with it, to prevent damage to the cable and to ensure safety for workers and equipment.

It is important to note that the selection of an appropriate cable and the installation process must comply with local electrical codes and regulations, as well as any specific safety requirements for underground installations. A licensed electrician should be consulted to determine the best type of cable and installation methods for a specific application.

Learn more about buried electrical cable here:

https://brainly.com/question/25509570

#SPJ4

Answer:

η = 0.882 = 88.2 %

Explanation:

The efficiency of the pulley system can be given as follows:

\(\eta = \frac{W_{out}}{W_{In}}\\\\\)

where,

η = efficiency of pulley system = ?

W_out = Output Work = (600 N)(0.6 m) = 360 J

W_in = Input Work = (35.7 N)(11.43 m) = 408.051 J

Therefore,

\(\eta = \frac{360\ J}{408.051\ J}\)

η = 0.882 = 88.2 %

Answer:

b

Explanation:

your welcome :)

Answer:

Power divided by velocity is force.

Explanation:

Ignore the guy above htey just want points he will proboly be banned soon anyways yourwelcome!

The electric force between two charged objects can be calculated using Coulomb's law. Coulomb's law states that the electric force (F) between two charges is directly proportional to the product of the charges (q1 and q2) and inversely proportional to the square of the distance (r) between them. The formula for electric force is:

F = k * (|q1 * q2| / r^2)

Where:

F is the electric force

k is the electrostatic constant (k ≈ 8.99 × 10^9 N·m^2/C^2)

q1 and q2 are the charges

r is the distance between the charges

q1 = q2 = 1.2 × 10^(-6) C (charge of each pellet)

r = 2.6 × 10^(-2) m (distance between the pellets)

Substituting these values into the formula, we have:

F = (8.99 × 10^9 N·m^2/C^2) * (|1.2 × 10^(-6) C * 1.2 × 10^(-6) C| / (2.6 × 10^(-2) m)^2)

Calculating this expression will give us the electric force between the two pellets.

learn more about " Coulomb's law":- https://brainly.com/question/506926

#SPJ11

The value that represents the mass of block C that would keep crate D in equilibrium is 196.2 kg (Option D).

To determine of value that represents the mass of block C that would keep crate D in equilibrium, ee can begin by determining the tension in the ropes. Since the crate is held in a certain location by two blocks, the tension in the ropes should be equal. We can use this fact to calculate the tension in the ropes by assuming that they have the same magnitude.

In this case, let T be the tension in each rope segment. The forces acting on the system can be represented in the following free-body diagram:

For the x-direction: T sin 30° = T sin 60° + µg = 0

where µ is the coefficient of friction and g is the acceleration due to gravity. Since the pulleys are frictionless, µ = 0. Therefore, we can simplify the equation as follows:

T sin 30° = T sin 60°

Dividing both sides by T:

sin 30° = sin 60°/2

This gives us: T = (2/√3) mg where m is the total mass of the system and g is the acceleration due to gravity.

Substituting the given values, we obtain:

T = (2/√3) × 150 × 9.81 ≈ 1962 N

Next, we can use the law of the lever to calculate the mass of block C required to keep the crate in equilibrium. According to this law, the sum of the moments acting on the system must be zero. We can choose the point where the ring is attached to the rope as the pivot. This gives us the following equation:

(135 kg)(9.81 m/s²)(3 m) + (mC)(9.81 m/s²)(6 m) - (150 kg)(9.81 m/s²)(4.5 m) - (1962 N)(3 m) = 0

Simplifying: (135)(3) + (6mC) - (150)(4.5) - (1962)(3) = 0

Rearranging: 6mC = 150(4.5) + 1962 - 135(3)

6mC = 2127

mC ≈ 196.2 kg

Therefore, the value that represents the mass of block C required to keep crate D in equilibrium is approximately 196.2 kg. Thus, the correct option is D.

Learn more about crate: https://brainly.com/question/32310523

#SPJ11

To completely describe the motion of an object, you need position, speed and direction of motion. Hence, option (D) is correct answer.

In physics, motion is the alteration over time of a body's position or orientation. Translation is defined as movement along a line or a curve. Rotation is a motion that modifies a body's orientation. In all scenarios, the acceleration and directed speed of every point on the body are equal (time rate of change of velocity).

Every movement has a frame of reference to which it is relative. A body is not in motion when it is said to be at rest; rather, it is being characterised in relation to a frame of reference that is moving with the body. Hence,  position, speed and direction of motion are needed to  completely describe the motion of an object.

Learn more about motion here:

https://brainly.com/question/22810476

#SPJ2

The total voltage dropped across a series-parallel circuit which equals one-half of the supply voltage is a true statement.

The total voltage drop in the series-parallel circuit corresponds to half the supply voltage. In the parallel part of a series-parallel circuit, the voltage across the branches can be found by multiplying the sum of the branch currents by the equivalent resistance of the resistors in the parallel part. If three resistors are placed in a parallel branch and powered by a 12-volt battery, the voltage drop across each of the three resistors will be 12 volts. The charge flowing through the circuit sees only one of these three resistors and therefore sees a single 12-volt drop.

Learn more about the circuit in

https://brainly.com/question/12608491

#SPJ4

In an all-out, high-intensity 100-meter dash in track, the predominant energy system utilized is the anaerobic system, specifically the phosphocreatine (PCr) system and the glycolytic system.

The phosphocreatine (PCr) system is the immediate energy source for high-intensity, short-duration activities. It provides a rapid and brief supply of energy through the breakdown of phosphocreatine stored in the muscles.

During the initial seconds of a sprint, the PCr system is the primary energy system used to meet the energy demands.

As the sprint continues, the glycolytic system becomes increasingly important. The glycolytic system relies on the breakdown of glucose or glycogen stored in the muscles to produce ATP (adenosine triphosphate), the energy currency of the cell.

This system can provide energy at a faster rate than aerobic metabolism but is limited in its capacity and efficiency.

Both the PCr system and the glycolytic system are considered anaerobic because they do not rely on oxygen as the primary source of energy production. They can rapidly generate ATP but produce byproducts such as lactic acid, which can lead to muscle fatigue.

It's important to note that the aerobic system also contributes to energy production during the 100-meter dash, although to a lesser extent. The aerobic system relies on oxygen to produce ATP and is more efficient for longer-duration activities.

However, due to the short duration and high-intensity nature of the 100-meter dash, the anaerobic energy systems are the primary contributors to meet the energy demands during the race.

To know more about phosphocreatine (PCr) system refer here

brainly.com/question/27960157#

#SPJ11

In words, the R2 of 0.27 means that 27% of the variability in y (24-hour urinary Na) can be explained by x (estimated 24-hour urinary Na) obtained from casual urine specimens at one point in time.

The INTERSALT Study was designed to investigate the relationship between dietary sodium and blood pressure (hypertension) in populations worldwide.

The study included 10,079 men and women from 52 population samples in 32 countries. One of the goals of the study was to quantify the relationship between 24-hour urinary Na (y) and estimated 24-hour urinary Na (x) obtained from casual urine specimens at one point in time.

The investigators presented a simple linear regression of y on x, separately for men and women. The regression equation for men was: Y = 1.03x + 7.19, with R2 = 0.27, n = 1369.

The coefficient of determination, R2, is a statistical measure that represents the proportion of the variance for a dependent variable (y) that's explained by an independent variable (x) or variables in a regression model.

In this case, the R2 of 0.27 means that 27% of the variability in y (24-hour urinary Na) can be explained by x (estimated 24-hour urinary Na) obtained from casual urine specimens at one point in time. The remaining 73% of the variability in y is due to other factors that are not included in the regression model.

To know more about  linear regression visit:

https://brainly.com/question/32505018

#SPJ11

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 3 × 4

From the question we have

Hope this helps you

Answer:

the volume changes overtime

sometimes because of weather, temperature ...

Explanation:

After notifying the PIC, approach the powered-down helicopter cautiously, maintaining communication, wearing safety gear, and following designated paths. Keep a safe distance, watch for rotor blades, and assist passengers as needed while following the PIC's instructions. Prioritize safety and be prepared for emergencies.

After notifying the Pilot in Command (PIC) of your arrival, you should approach the helicopter with caution and follow proper safety procedures.

The general outline of steps are:

Communication: Before approaching the helicopter, ensure you have clear communication with the PIC. They might provide you with specific instructions or guidelines for approaching the helicopter safely.

Safety Gear: Make sure you and your team are wearing appropriate safety gear, including high-visibility vests, helmets, and any other necessary personal protective equipment.

Ambulance Positioning: Position the ambulance at a safe distance from the helicopter to avoid any potential hazards, such as jet blast or rotor downwash.

Secure the Ambulance: Ensure that the ambulance is properly secured and the brakes are engaged to prevent any unintended movement during the operation.

Approach Path: Approach the helicopter from the designated safe side or approach path. The safe side is typically the one where the tail rotor is located, as the main rotor downwash poses less risk on that side.

Maintain Visual Contact: Maintain visual contact with the helicopter and the PIC at all times. Follow any hand signals or instructions provided by the PIC.

Engine Shutdown: Confirm that the helicopter's engines are indeed powered down and that all rotor blades are stationary.

Approach Slowly: Approach the helicopter slowly and cautiously. Avoid sudden movements or loud noises that might startle the helicopter crew or passengers.

Mind the Rotor Blades: Be aware of the rotor blades' location and ensure that you maintain a safe distance from them. Even though they are stationary, they can still pose a hazard.

Assist Passengers: If passengers need assistance getting from the helicopter to the ambulance, follow the guidance of the PIC or crew members. Use appropriate equipment (e.g., stretchers, ramps) to safely transfer passengers.

Follow PIC Instructions: Throughout the operation, follow the instructions of the PIC. They have a clear understanding of the helicopter's condition and the safest approach procedures.

Emergency Plan: Be prepared for any unexpected situation. Have an emergency plan in place in case the helicopter needs to be powered up quickly or if there's a sudden need to move away from the helicopter.

Hence, Approach the helicopter safely and cautiously while following PIC's instructions to ensure passenger and crew safety.

To learn more on Aviation safety click here:

https://brainly.com/question/30542185

#SPJ12

C) acts on all objects.

Newton's explanation of Kepler's laws of planetary motion relied on the force of gravity, which he postulated acts on all objects with mass in the universe.

The force of gravity between two objects is proportional to their masses and inversely proportional to the square of the distance between them. By using this concept, Newton was able to explain the motion of planets and other celestial bodies, and derive his own laws of motion.

To know more about Kepler's laws refer here

https://brainly.com/question/1086445#

#SPJ11