a body of mass 80kg moving with a velocity of 6m/s hits a stationery body of mass 40kg. if the two bodies stick together after collision, calculate the magnitude of the velocity
​

Answer:

Gravity

Explanation:

The US trade officials blame their Chinese counterparts for conducting unfair trade practices with the US on several grounds, including intellectual property theft, subsidies and state-owned enterprises, market access barriers, currency manipulation, and dumping.

Intellectual Property Theft: China is accused of engaging in widespread intellectual property theft, which involves unauthorized acquisition and use of patents, trade secrets, and copyrighted materials.

Subsidies and State-Owned Enterprises: The US alleges that China's subsidies and support for state-owned enterprises create an unfair advantage for Chinese companies, distorting competition in international markets.

Market Access Barriers: China is accused of maintaining barriers that limit market access for US companies, such as restrictive regulations, licensing requirements, and non-tariff barriers.

Currency Manipulation: The US claims that China manipulates its currency, the yuan, to gain an unfair trade advantage by artificially devaluing it, making Chinese exports more competitive.

Dumping: China is accused of engaging in dumping practices by selling goods in foreign markets at prices below production costs, harming domestic industries in the US.

The US trade officials attribute unfair trade practices by their Chinese counterparts to various factors. These include intellectual property theft, subsidies and state-owned enterprises, market access barriers, currency manipulation, and dumping. These allegations have significant implications for trade relations between the two countries and have resulted in trade disputes and policy measures to address the concerns. Resolving these issues requires international cooperation and negotiations to ensure fair and balanced trade practices.

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Answer:

it's (A) weight I think

Answer:

A. Weight

Explanation: Weight is defined as the amount of force placed on an object from gravity which means it is directly reliant on the force of gravity while the other choices are not. Neither Mass, volume, or velocity is impacted by gravity as much as weight, velocity is the direction of speed, mass is the resistance that a body of matter offers to a change in its speed or position upon the application of a force, and volume is the amount of space an object takes. As you can see none of these componant have gravity as a determining factor other than weight since weight is determined by the gravity which is why the weight of an object can vary if your on earth or on the moon since the gravity is different.

Answer:

56 proton sir

have a nice day

Incremental cash flows refer to the new cash flows that will be generated if a project is undertaken.

Incremental cash flows are the additional cash flows that are expected to be generated as a result of undertaking a specific project or investment. These cash flows are incremental because they represent the difference between the cash flows with the project and the cash flows without the project. In other words, they are the net cash flows that can be directly attributed to the project itself.

To calculate incremental cash flows, various factors need to be considered, such as the initial investment required for the project, the expected future cash inflows and outflows, and any relevant costs and revenues associated with the project. By comparing the cash flows with the project to the cash flows without the project, decision-makers can assess the financial viability and profitability of the investment.

It is important to note that incremental cash flows are distinct from accounting profits. Accounting profits are calculated based on accrual accounting principles and may include non-cash items, such as depreciation and amortization, which do not directly impact cash flow. Incremental cash flows, on the other hand, focus specifically on the cash inflows and outflows resulting from the project and provide a more accurate representation of the project's financial impact.

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The angle of the trajectory (in degrees) relative to the horizontal at t = 0.3 s is calculated as to be equal to 50.47° (approx). Initial vertical velocity (vy) can be obtained by using the following formula, vy = usinθ.

The angle of the trajectory is θ = 60° with the horizontal. The time elapsed is t = 0.3 s.

The vertical acceleration is a = -9.81 m/s².(Negative sign indicates the downward acceleration due to gravity.)

Initial vertical velocity (vy) can be obtained by using the following formula, vy = usinθ

Where, u is the initial velocity and θ is the angle of the trajectory with the horizontal.

Using the values of u and θ,

vy = 30 m/s × sin 60°vy

= 30 m/s × √3/2vy

= 25.98 m/s

The final vertical velocity (v) at t = 0.3 s can be calculated using the following formula, v = u + at

Where, a is the acceleration and t is the time elapsed.

v = 25.98 m/s + (-9.81 m/s² × 0.3 s)v

= 25.98 m/s - 2.943 m/sv

= 23.04 m/s

Now, we have initial and final velocities. The angle of trajectory at t = 0.3 s can be calculated by using the following formula,θ = sin⁻¹ (v/ u)Where, v and u are the initial and final velocities

.θ = sin⁻¹ (23.04 m/s / 30 m/s)θ = sin⁻¹ (0.768)θ = 50.47°

Hence, the angle of the trajectory (in degrees) relative to the horizontal at t = 0.3 s is 50.47° (approx).

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Answer:

825 Joules of energy would be correct if my math is right.

The planetary properties that are measurable with current extrasolar planet detection includes:

Mass

Radius

Orbital Period

Orbital Eccentricity

Atmospheric Composition

The mass of an exoplanet can be determined through various techniques such as radial velocity measurements, transit timing variations, or astrometry.

On the other hand, the radius of an exoplanet can be estimated from transit observations that  measure the decrease in brightness of the host star as the planet passes in front of it.

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Answer:

maximum extent of a vibration or oscillation measured from the position of equilibrium.

Answer:

the maximum displacement or distance moved by a point on a vibratng body or wave measured from its equilibrium position. it is equal to one-half lenght of the vibration path.

Explanation:

hope it helps

Explanation:

The formula to determine the eccentricity of an ellipse is the distance between foci divided by the length of the major axis

The given statement "Both have strangely tilted magnetic fields, but that of uranus is even farther off the rotational axis than that of neptune" b. False

The magnetic field of Uranus is indeed tilted, but it is not "even farther off the rotational axis than that of Neptune."

In fact, the magnetic field of Uranus is tilted at an angle of about 59 degrees relative to its rotational axis, while the magnetic field of Neptune is tilted at an angle of about 47 degrees.

Therefore, the magnetic field of Uranus is not "even farther off" than that of Neptune, but rather it is tilted to a slightly greater extent.

It is important to accurately represent scientific information to avoid misconceptions and promote a better understanding of planetary phenomena.

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The original lengths of both wires are equal, the thicker wire will stretch less as a result since Young's Modulus predicts that its original length will change less.

Young's modulus = stress/strain

We can assume that the thicker wire must have less strain if it suffers less stress than the thinner wire because strain is defined as the percentage change in length.

Therefore we can said that, For the Young's modulus to remain constant, which it does, it must also drop correspondingly as strain rises. The thicker wire will stretch less as a result since its original length will change less because both wires started off the same length.

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The correct options for the factors that contribute to the Earth's magnetic field, which protects us from solar wind, are option b. the liquid outer core and option f. the Earth's rotation.

The Earth's magnetic field is generated by the motion of molten iron and nickel in the liquid outer core of the Earth (Option b). This motion, known as convection, generates electric currents that produce the magnetic field.

The Earth's rotation (Option f) also plays a significant role. The rotation of the Earth causes the convection currents in the liquid outer core to circulate and amplify the magnetic field, creating a dynamo effect.

The Earth's revolution (Option a) around the Sun and its tilt on its axis (Option c) are not directly responsible for the generation of the Earth's magnetic field. They are factors that influence climate and seasons on Earth but do not contribute to the magnetic field.

The seasons (Option d) are related to the Earth's axial tilt and its orbit around the Sun but are not directly connected to the generation of the magnetic field.

The solid inner core (Option e) is not involved in generating the Earth's magnetic field. It is mainly composed of solid iron and nickel and does not have the fluid motion required for the generation of a magnetic field.

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Answer:

C, it will move.

Explanation:

Answer:

The object will move forward

Explanation:

When more than one force acts upon an object, the vector sum of these forces is the resultant force. When the resultant force on an object is zero, it will remain at rest if it is at rest, or continue to move in a straight line at a constant velocity if it is in motion.

The velocity of the house fly of mass 1.2×10⁻⁵ kg, with a kinetic energy of 0.019 J is 56.27 m/s

Velocity can be defined as the ratio of displacement to time.

To calculate the velocity of the house fly, we use the formula of kinetic energy below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1 and solve for v

Hence, the velocity of the house fly is 56.27 m/s

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Answer:

60 kWh

Explanation:

The computation of the annual energy consumption in KW-h is shown below:

As we know that

1 kw = 1000 w

So, for 1400 W it would be

= 1,400 ÷ 1,000

= 1.4 kW

Now the number of hours it used in a year

= 7 minutes × 365 days ÷ 60 minutes

= 42.58333 hours

So in one year it used

= 1.4 kW × 42.58333

= 59.61 kWh

= 60 kWh

The joints that connect the four fingers (excluding the thumb) with the carpal bones are called metacarpophalangeal joints (MCP joints).

The metacarpophalangeal joints are located at the base of each finger, where the metacarpal bones of the hand articulate with the proximal phalanges of the fingers. These joints allow for flexion (bending) and extension (straightening) of the fingers and also provide some degree of rotational movement.

There are five metacarpophalangeal joints in total, one for each finger. They are commonly referred to as the knuckles.

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Answer:

can you attach photo

Explanation:

Magnetosomes are also used to induce magnetic hyperthermia (using magnets to heat cells that have ingested magnetosomes). Scientists were able to kill the pathogenic bacterial cells of Staphylococcus aureus, a common cause of infection, by pumping them full of magnetosomes and applying magnetic heat.

studies show that magnets increase amino acid production and have a positive effect on the whole body. In other words, magnets speed up metabolism and help the body function properly. They ensure that oxygen and nutrients arrive at the site of injury as soon as possible in order to repair the injury.

Magnetic Resonance Imaging (MRI) uses a very strong magnetic field and is much stronger than a household magnet can produce, but MRI does not directly affect the patient's health (MRI is a diagnostic tool). Works indirectly as).

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The causes of change in equity can include several factors. Based on the information provided, the following causes of change in equity could apply:

Net Income: If the company earned a profit during the year, it would contribute to an increase in equity. Net income represents the revenue earned by the company minus its expenses, and it adds to the overall equity.

Share Issuance: If the company issued additional shares of stock during the year, it would result in an increase in equity. When new shares are issued and sold to investors, the company receives additional capital, which is reflected in the equity.

Dividends: If the company distributed dividends to its shareholders during the year, it would lead to a decrease in equity. Dividends are payments made to shareholders as a portion of the company's profits. Since dividends are distributed to shareholders, they reduce the retained earnings portion of equity.

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20,83 m / s (metros por segundo)

divide 10 metros entre 8 minutos y obtén 20.83333333

20.83 m/s (meters per second)    

divide 10 meters by 8 minutes and get 20.83333333

Answer:

1.6×10⁻⁶ N.

Explanation:

From the question,

F = (V/r)q......................... Equation 1

Where F = Electric force on the raindrop, V = Potential difference between the base of the cloud and the ground, r = distance between the base of the cloud and the ground, q = the charge on a rain drop.

Given: V = 200MV = 200×10⁶ V, r = 500 m, q = 4.0×10⁻¹² C.

Substitute these values into equation 1

F = [(200×10⁶ )/500]×4.0×10⁻¹²

F = 1.6×10⁻⁶ N.

This question involves the concepts of potential difference and Columb's law.

The electrical force on the raindrop will be "A. 1.6 x 10⁻⁶ N".

According to Columb's Law the electrical force on the raindrop can be given by the following formula:

\(F=\frac{kq_1q_2}{r^2}\)------ equation (1)

where,

Now, the potential difference between cloud and ground can be given by the following formula:

\(V=\frac{kq_1}{r}\)

substituting this value in equation (1), we get:

\(F=\frac{Vq_2}{r}\)

using values:

\(F=\frac{(2\ x\ 10^8\ V)(4\ x\ 10^{-12}\ C)}{500\ m}\)

F = 1.6 x 10⁻⁶ N

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Answer:

The range and severity of symptoms can vary widely. Common symptoms include difficulty with communication, difficulty with social interactions, obsessive interests, and repetitive behaviors.

At any age

1. Loss of previously acquired speech, babbling or social skills.

2. Avoidance of eye contact.

3. Persistent preference for solitude.

4. Difficulty understanding other people's feelings.

5. Delayed language development.

6. Persistent repetition of words or phrases (echolalia)

7. Resistance to minor changes in routine or surroundings.

Answer:

a

Explanation:

are found in the nucleus and are locked in

Answer:

A

Explanation:

Thats what I think the answer is because protons and neutrons bond together in the nucleus.

The magnitude of the linear acceleration of the pack can be calculated using the following equation:a = (T - Fr) /m where a is the magnitude of the linear acceleration of the pack,T is the tension force of you on the pulley,Fr is the frictional force, and m is the mass of the pack.Substitute the given values to the formula:a = (T - Fr) / ma = (266.3 - Fr) / 23.4.

The frictional force can be determined using the moment of inertia of the pulley.I = mr²I = 2.85 kg-m²m = I / r²m = 2.85 / 0.43²m = 15.57 kgFr = maFr = 15.57 × aa = (266.3 - 15.57a) / 23.4Solve for a by multiplying both sides by 23.4:23.4a = 266.3 - 15.57a23.4a + 15.57a = 266.3a = 266.3 / 39.97a = 6.66 m/s².

Therefore, the magnitude of the linear acceleration of the pack is 6.66 m/s².If instead of using a pulley with two radii, you were to replace the two radii pulley with a simple pulley of one radius, it will be harder to hold the pack.

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The maximum work required by the machine is 16420 J.

Work is energy transferred to or from an object via the application of the  force along with the  displacement. Work is the  standard mechanical  quantity. In its simple form, for a constant force aligned with it  direction of motions the work equals the product of the forced by the  strength and to the  distance traveled.

Here mass M is 215 kg

And the height lifted H is 5.65

The energy or workdone needed to lift is W= MgH = 215(9.8)(5.65)= 11904.5 J

The minimum efficiency of to  the machine is 72.5 %

So we can write that

The workdone by machine is

11904.5(100/72.5) = 16420 J ( approx)

So the workdone by machine is 16420 J

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Answer:

Take the following steps

putting on gloves before treating the cut

using disinfectant on the cut

calmly telling the lab instructor

washing hands after treating the cut scalpel safety rules scalpel

use in lab how to use a scalpel safely how to use a scalpel correctly handling sharp objects sharp instrument safety sharp object safety rules safe handling and disposal of sharps policy

Report inappropriate predictions

The work done by the electrostatic force on a particle of charge q is calculated by the equation W = qE·(b-a)

Formula W = qE(b-a), where q is the charge of the particle, E is the electric field, and a and b are the starting and stopping positions of the particle's movement, can be used to determine the work done by the electrostatic force on a particle with charge q.

According to this formula, the electrostatic force's work is equal to the particle's charge times the electric field times the distance between the starting and finishing sites. A fundamental idea in electrostatics, this equation can be used to determine how much work is done on a particle by an electrostatic force.

The electric field must remain constant along the distance between points a and b for the equation to hold true. The work performed is determined by integrating the equation over the complete course of the particle's motion if the electric field changes.

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