what is a recovery heart rate?​

The power in every scenario is the same. Power is the measurement of the energy transfer over time.

Power is the measurement of the energy transfer over time. It can be calculated by the formula,

\(P = \dfrac Wt\)

Where,

\(P\)- power

\(W\) - work

\(t\) - time

In scenario A,

\(P = \dfrac {120 }6 = 20 \rm \ W\)

In scenario B,

\(P = \dfrac {160 }8 = 20 \rm \ W\)

In scenario B,

\(P = \dfrac {200 }{10} = 20 \rm \ W\)

Therefore, the power in every scenario is the same.

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Answer:

Read each scenario and then answer the question.

Scenario A: 120 J of work is done in 6 s.

Scenario B: 160 J of work is done in 8 s.

Scenario C: 200 J of work is done in 10 s.

The right answer is (d). Static friction can cause a system to do positive, negative, or even zero work.

Does static friction ever produce zero work?

At essence, static friction can also be active when a body is in equilibrium, when there is no movement and no static frictional work to be done.

Can static friction provide useful results?

This is because our force is opposed by the force of static friction. However, since the block stays there, there is no displacement. Therefore, friction produces no work. Friction can therefore produce positive, negative, or no work.

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The presence of the nearby north pole rearranges the magnetic domains inside the nail so that their south poles all point toward the north pole of the permanent magnet.

This is referred to as a material that can produce its own magnetic field and consists of two poles which are north and south pole.

In a scenario whereby a nail is rubbed a few times by the magnet, the magnetic domains inside the nail rearranges such that the south poles all point toward the north pole of the permanent magnet and the other end of the nail becomes a north pole.

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Answer:

greater

Explanation:

Assuming you are supposed to write each conversion in scientific notation:

(2) 1 m = 100 cm, so

(67 cm) × (1/100 m/cm) = 67/100 m = 0.67 m = 6.7 × 10 ⁻¹ m

(3) 1 km = 1,000 m, so

(1.2 km) × (1000 m/km) = 1200 m = 1.2 × 10³ m

(4) 1 m = 1,000 mm = 10³ mm, so

(6.2 × 10 ⁻³ m) × (10³ mm/m) = 6.2 mm

(5) 1 m = 1,000,000,000 nm = 10⁹ nm, so

(4.05 × 10³ nm) × (1/10⁹ m/nm) = 4.05 × 10 ⁻⁶ m

(6) 1 g = 1,000,000 µg = 10⁶ µg, so

(3200 µg) × (1/10⁶ g/µg) = 3200 × 10 ⁻⁶ g = 3.2 × 10 ⁻³ g

Answer:

It affects the bones

Explanation:

Many inorganic elements are very useful in the body. Many of them carry out diverse important functions and play key roles in parts of the body.

Calcium is essential for strong bones. Hence, any disorder that results from not consuming enough calcium must be connected to the bone.

Therefore, osteoporosis affects the bone.

Answer:

A wire carrying a 30.0-A current passes between the poles of a strong magnet that is perpendicular to its field and experiences a 2.16-N force on the 4.00 cm of wire in the field. What is the average field strength?

Explanation:

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Answer:

J = 500 kg-m/s

Explanation:

Given that,

Initial speed of the motor, u = 5 m/s

Final speed of the motor, v = 7 m/s

Mass of the boat, m = 250 kg

We need to find the impulse applied by the motor. We know that impulse is equal to the change in momentum. It is represented by letter J.

J = m(v-u)

J = 250 (7-5)

J = 500 kg-m/s

Hence, the impulse applied by the motor is 500 kg-m/s.

Answer:

The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, the efficiency is always less than 100 percent.

3 electrical equipments consider for this circuit diagram are,

1. Ammeter

2. Resistance

3. Resistance

The circuit diagram with 6 lamps and 3 electrical equipments and 1 power source with open circuit form is represented as,

Answer: body composition is the proportion of fat and non fat mass in your body.

Explanation:

Answer:

Body composition is the percentage of a body's weight

Explanation:

Body composition is the body's amount of fat relative to fat-free mass. Individuals with optimal body composition are typically healthier, move more easily and efficiently, and generally feel better.

Answer:

i think it is 20.5

Explanation:

Answer:

13,482m deep

Explanation:

1,498×9 =13,482m deep

The resistance of the load, given that 10.0 volts generate a current of 700 milliamps, is 14.3 ohms. To calculate this, you need to use Ohm's Law, which states that resistance (R) is equal to the voltage (V) divided by the current (I).

Therefore, R = V / I, or in this case, R = 10.0 volts / 0.700 amps = 14.3 ohms.

The resistance of the load can be calculated using Ohm's law, which states that the resistance is equal to the voltage divided by the current. In this case, the resistance would be 10.0V/0.7A, which equals 14.29Ω

The concept of resistance is important in audio signals and systems. As audio signals are AC, the resistance of a load determines how much of the signal is attenuated as it passes through the load. A higher resistance means that the signal is weakened, while a lower resistance means that the signal is stronger.

Therefore, knowing the resistance of a load is important when setting up audio systems, as it affects the strength of the signal that is sent to the speakers. Furthermore, impedance, which is closely related to resistance, is important in audio signals and systems, as it affects the quality of the signal being sent to the speakers.

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Answer:

Please find the answer in the explanation.

Explanation:

The variable/s you can manipulate in the simulation to make all the items get the same proximate values for their acceleration will be the variable final velocity. Since all of them have zero initial velocity, the acceleration will tend to zero if they have a constant velocity.

If the final velocity is also zero or approximately equal to zero, that means the velocity is constant. And whenever there is constant velocity, the acceleration will be equal to zero.

Also, if the final velocity of all the parameters are very closed, they will surely have approximately same acceleration.

The variable which can be manipulated in the simulation will be the final

velocity.

The table shows all of them having the same initial velocity which is zero,

then the final velocity will have to be varied in order to get the same

proximate values for their acceleration.

Acceleration is the rate of change of velocity with time and when the velocity

is constant or equal to zero, the acceleration will be equal to zero.If the final

velocity of all the parameters are very close in value , then they will have

proximate values for acceleration.

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Label the rows as the electron energy levels:

The rows of the periodic table are also known as periods. There are seven periods, and each period corresponds to a particular energy level. You can label them from 1 to 7, starting from the top row.

Label the number of valence electrons in Columns 1, 2, and 13-18:

Columns 1 and 2 are the s-block elements, and they have 1 and 2 valence electrons, respectively. Columns 13-18 are the p-block elements, and they have 3 to 8 valence electrons, respectively. You can label the number of valence electrons in each column.

Label the metals, semi-metals, and non-metals using different colors:

Metals are on the left side of the periodic table, semi-metals are in the middle, and non-metals are on the right side. You can use different colors to label them without obscuring any of the information about different elements.

Label the ion charges for elements in the first 3 rows:

Elements in the first 3 rows of the periodic table have predictable ion charges. The alkali metals (Group 1) have a charge of +1, the alkaline earth metals (Group 2) have a charge of +2, and the elements in Group 13 have a charge of +3. For Groups 15, 16, and 17, the charges are -3, -2, and -1, respectively. The noble gases (Group 18) are unreactive and do not form ions. You can write these charges for each element in their respective positions.

Label the trends for atomic size, ionization energy, and electron affinity:

Atomic size generally decreases from left to right across a period and increases from top to bottom within a group. Ionization energy generally increases from left to right across a period and increases from bottom to top within a group. Electron affinity generally increases from left to right across a period and becomes less negative from top to bottom within a group. You can label these trends on your periodic table as well.

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As a result, the combined ultimate velocity of the male and female skaters following the throw is 5.27 m/s.

The object's initial velocity can be calculated by dividing the total distance travelled by the amount of time it took the object to travel that distance. In the formula V = d/t, V is the speed, d the distance, and t the time.

Prior to the throw, the system's momentum is given by: p1 = m1v1 + m2v2.

replacing the specified values:

p1 = (82 kg)(7.4 m/s) + (48 kg)(0 m/s)

p1 = 607.6 kg m/s

Following the throw, the system's momentum is:

p2 = (82 kg)v' + (48 kg)(8.6 m/s)

where v' is the combined final speed of the male and female skaters. We may equate p1 and p2 using the conservation of momentum principle:

p1 = p2

(82 kg)(7.4 m/s) = (82 kg)v' + (48 kg)(8.6 m/s)

Simplifying and solving for v', we get:

v' = [ (82 kg)(7.4 m/s) - (48 kg)(8.6 m/s) ] / 82 kg

v' = 5.27 m/s

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Answer:

resistance of the metal conductor at different temperature

Explanation:

An experiment used to determine the resistance of a metallic conductor is the resistance of a metallic conductor at different temperatures.

Resistance is the property of a conductor to oppose the flow of charges through it which is numerically given as the ratio of the potential difference across its length to the current flowing through it.

Resistance of a metallic conductor is the measure of its opposition to the flow of electric current. Resistance is known to be directly proportional to the temperature which means as the temperature is increased, its resistance increases too and vice versa.

Resistance has an inverse relationship with the cross sectional area of ​​a metallic conductor, so if the resistance increases the cross sectional area decreases and vice versa.

Thus, an experiment used to determine the resistance of a metallic conductor is the resistance of a metallic conductor at different temperatures.

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Radial acceleration is inversely related to the radius of the curved pathway and directly proportional to the square of the linear speed. The ratio of the square of the angular speed to the radius of the curved pathway is directly proportional to the radial acceleration.

This is the acceleration of an object moving at speed v within a circle of radius r. Therefore, as you may have experienced while driving a car, centripetal acceleration is greater at high speeds and in acute curves (smaller radii). y.

We can argue that as the radius increases, the centripetal acceleration of the item moving in a circle falls exponentially. Along the radius, the centripetal acceleration's magnitude diminishes.

The centripetal acceleration would be decreased if the radius were decreased while all other factors remained constant, but it would be increased if the speed were increased while all other factors remained constant.

The radius of the circular path is 10m and the acceleration is 1.5g the speed of the rider is 1.82 m/s/s.

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Answer:

The direction of friction force is toards north.

Explanation:

A tool box is at rest on the back of a track. The truck is accelerating towards north.

As the frame of reference is acceleratinf so it is a non inertial frame  of reference.

Thus, teh toolkit experineces a pseudo force towards the south direction.

According to the question, the toolbox is at rest so the fiction force is balances by teh psheudoforce, and thus teh friction force is acting toards north.

An irreversible reaction is a reaction that tends to completion. When a strong acid added to water, the reaction is irreversible.

In chemistry, a reaction may be reversible or irreversible. In a reversible reaction, the reaction could move forward or backwards. An irreversible reaction only tends towards completion. It doesn't goes in the reverse direction.

When a weak acid or base is added to water, the reaction is reversible because the substance does not ionize to a large extent in water and the equilibrium position may lie towards the far left. However, a strong acid or base achieves 100% ionization in water hence the reaction is irreversible.

Therefore, when a strong acid added to water, the reaction is irreversible.

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Answer:

1. strong acid added to water

2. The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.

3. HA, HC, HB

4. decreasing the concentration of OH– ions

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Answer:

Explanation:

20 kJ = 20000 joules

10mj = 10000000 Joules

2.5mj = 2,500,000 joules

0.5kj = 500 joules

Answer:

False

Explanation:

the inner planets have solid rocky dense surfaces

Answer:

Yes, that is correct, although most velocity is calculated via m/s and therfore you would multiply your 3 hours by 60 twice. Much of the information given is irrelevant and just trying to confuse.

Explanation:

Answer:

add add more hot water in the flask painted shiny white while less of it in the one painted Matt black

Explanation:

Let's name the flasks A and B respectively

flask A due to the nature of its exterior will tend to reflect heat from the environment thus will need more hot water while flask B since it painted in Matt black the heat will be absorbed from the environment thus will require less hot water

The pressure applied by the cube of mass 500 kg and side 50 cm on the floor is 200000 Pascal

The mass of the cube is 500 kg and the side of the cube is 50 cm.

Converting the side of the cube from cm to m.

The side of the cube is 0.5 m.

The pressure applied by any body is given by the force applied by the body divided by the area on which the force is applied.

Pressure = force/area

The force applied by the cube will be equal to the weight of the cube,

The weight of the cube is 5000 Newton.

The area of only one side of the cube is in contact with the floor so the area is,

Area = 0.025 m

Putting values,

P = 5000/0.025

P = 200000 Pascal.

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