what component of fitness does tennis not fall under?​

Answer: Each macromolecule is broken down by a specific enzyme. For instance, carbohydrates are broken down by amylase, sucrase, lactase, or maltase. Proteins are broken down by the enzymes pepsin and peptidase, and by hydrochloric acid. Lipids are broken down by lipases.

Explanation:

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Answer:

Explanation:

Assuming that air resistance is negligible, we can use the following kinematic equations to solve for the peak height:

v_f^2 = v_i^2 + 2ad

where v_f = 0 m/s (at the peak height) and a = -9.8 m/s^2 (acceleration due to gravity)

and

d = v_i t + (1/2)at^2

where d is the displacement or the peak height we want to find, v_i is the initial velocity, t is the time it takes to reach the peak height.

First, we need to resolve the initial velocity into its vertical and horizontal components:

v_i_x = v_i cos(30°) = 121.1 m/s

v_i_y = v_i sin(30°) = 70.0 m/s

Next, we can use the vertical component of the initial velocity to find the time it takes to reach the peak height:

v_f = v_i_y + at

0 m/s = 70.0 m/s + (-9.8 m/s^2)t

t = 7.14 s

Finally, we can use the time we found and the kinematic equation for displacement to find the peak height:

d = v_i_y t + (1/2)at^2

d = (70.0 m/s)(7.14 s) + (1/2)(-9.8 m/s^2)(7.14 s)^2

d = 247.5 m

Therefore, the peak height of the football is 247.5 meters.

Answer:

We can use the concept of buoyancy to solve this problem.

The weight of the metal block in air is equal to the force of gravity acting on it, which is given as 60 Newtons. When the block is immersed in paraffin wax, it displaces a certain volume of wax equal to its own volume, and experiences an upward force due to buoyancy that partially cancels out the force of gravity acting on it.

The buoyant force acting on the block is given by the formula:

buoyant force = weight of fluid displaced

= density of fluid x volume of fluid displaced x acceleration due to gravity

The weight of the metal block in the paraffin wax is then equal to the difference between the weight of the block in air and the buoyant force acting on it.

Let's calculate the volume of the metal block first:

density of metal block = 900 kg/m³

weight of metal block in air = 60 N

acceleration due to gravity = 9.81 m/s²

weight of metal block = density of metal block x volume of metal block x acceleration due to gravity

volume of metal block = weight of metal block / (density of metal block x acceleration due to gravity)

= 60 N / (900 kg/m³ x 9.81 m/s²)

= 0.006536 m³

Now, let's calculate the weight of the metal block in the paraffin wax:

density of paraffin wax = 800 kg/m³

buoyant force = density of fluid x volume of fluid displaced x acceleration due to gravity

= 800 kg/m³ x 0.006536 m³ x 9.81 m/s²

= 51.02 N

weight of metal block in paraffin wax = weight of metal block in air - buoyant force

= 60 N - 51.02 N

= 8.98 N

Therefore, the weight of the metal block when it is immersed in paraffin wax of density 800 kg/m³ is 8.98 Newtons.

Answer:

If people did not have the rights established in Miranda v. Arizona, they could be subjected to police coercion and forced confessions without a lawyer present. This could lead to wrongful convictions and denial of due process, which are essential components of the American justice system

Answer:

The student used 24000 Joules of energy.

Explanation:

We can use the Energy Power equation to solve this example.

[tex]\sf E=Pt[/tex]

Where

[tex]\sf E[/tex] is the energy in Joules (J)

[tex]\sf P[/tex] is the power in Watts (W)

[tex]\sf t[/tex] is the time in seconds (s)

Numerical Evaluation

In this example we are given

[tex]\sf P=800\\t=30[/tex]

Substituting our given values into the equation yields

[tex]\sf E=800 \cdot 30[/tex]

[tex]\sf E=24000[/tex]

24000 Joules  

[tex]\Large\bold{SOLUTION}[/tex]

To calculate the energy used by the student in this scenario, we can use the formula:

[tex]\sf{Energy\: (in\: Joules) = Power\: (in\: Watts) \times Time\: (in\: seconds)}[/tex]

Given that the student uses an 800 W microwave for 30 seconds, we can plug in these values to the formula:

[tex]\sf Energy = 800\: W \times 30\: s = 24,000\: J[/tex]

Therefore, the student uses 24,000 Joules of energy in this scenario.

[tex]\rule{200pt}{5pt}[/tex]

Answer:

2) 42.6

3) 1500000 m

4) no he will not be late, it will take 3s

Explanation:

 #2:

Formula for average velocity:
 ⇒  [tex]v=\frac{d}{t}[/tex]

Substitute

 ⇒ [tex]\frac{2560}{60}[/tex]

⇒ [tex]42.6[/tex]

#3:

1st convert 60km to m/s (correct si unit must always come first)

to convert kilometer to meter, multiply by 1000 (prefix 'kilo' = 1000)

60 km x 1000 = 60000 m

use the formula for speed, distance, & time

60000 = d/25

to find displacement just multiply the speed and time together

60000 x 25

1500000m is the displacement

#4:

s = d/t

given are displacement and speed/velocity

d = 25m

v = 8.5 m/s

to find the time just divide displacement by speed

8.5 = 25/t

25/8.5

≈ 3 seconds

so he will not be late for class.

Answer:

Explanation:

alot

Answer:

To solve the problem, we use the equations of equilibrium to find the tension in each cable holding up the loudspeaker. Since the loudspeaker is in equilibrium, the sum of the forces acting on it is zero. The weight of the loudspeaker is calculated first, and then we use trigonometry to find the horizontal and vertical components of the tension in one of the cables. We then apply the equation of equilibrium in the y direction to find the tension in each cable. The final answer is that the tension in each cable is approximately 81.1 N, which balances the weight of the loudspeaker.

___

Given:

Mass of loudspeaker (m) = 15.0 kg

Distance from ceiling (h) = 1.00 m

Length of cable (l) = 2.70 m

Acceleration due to gravity (g) = 9.80 m/s^2

Weight of loudspeaker:

Fg = mg

Fg = (15.0 kg)(9.80 m/s^2)

Fg = 147 N

Horizontal and vertical components of tension in one cable:

sinθ = h/l

sinθ = 1.00 m / 2.70 m

θ = sin^(-1)(1.00/2.70)

θ ≈ 21.6°

T_x = T sinθ

T_y = T cosθ

where T is the tension in the cable.

Equation of equilibrium in y direction:

ΣF_y = 2T cosθ - Fg = 0

Solving for T:

2T cosθ = Fg

T = Fg / (2 cosθ)

Plugging in the values:

T = (147 N) / (2 cos(21.6°))

T ≈ 81.1 N

So the change in energy of the box after being pulled by Liam over 19 m is 323 J.

Energy is capable of changing its forms. For instance, electrical energy transforms into thermal and light energy when a lightbulb is turned on. A automobile transforms the gasoline's molecular bonds' stored energy into a variety of other forms. Chemical energy is converted to light in the engine through a chemical reaction.

The work done on the box by Liam's force is:

work = force x distance x cos(theta)

where theta is the angle between the force and the direction of motion. Since the force is horizontal and the motion is also horizontal, theta is 0 degrees and cos(theta) is 1. Therefore, the work done on the box is:

work = 17 N x 19 m x 1 = 323 J

The change in energy of the box is equal to the work done on it, according to the work-energy principle. Therefore, the change in energy of the box is:

change in energy = work = 323 J

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Answer:

It depends on how they are made.

Explanation:

Rubber balloons are not always spherical in shape. When filled with air, the inflation forms a balance between the balloon material, including its shape and thickness and its elasticity and the pressure of the air. That’s what determines its shape. Although a sphere is often the shape, it could be tubular, offset, and most other shapes.

Answer: Given data

The resistance of the first resistor is R1 = 4 ohm

The resistance of the second resistor is R2 = 5 ohm

The potential difference of the battery is V = 9 V

The resistors are connected in series. The expression for the equivalent resistance is given as:

The expression for the current in the 4-ohm resistor is given as:

Thus, the magnitude of the current flows through the 4-ohm resistor is 1 A.

Explanation:

Answer:

Wavelength will decrease but frequency will stay the same.

Explanation:

The higher the frequency, the shorter the wavelength. The relationship between wavelength and frequency is called an inverse relationship, because as the frequency increases, the wavelength decreases.

However, the frequency usually remains the same because it is like a driven oscillation and maintains the frequency of the original source. If v changes and f remains the same, then the wavelength λ λ must change. Since v = f λ v = f λ , the higher the speed of a sound, the greater its wavelength for a given frequency.

An ideal circuit is a theoretical representation of an electrical circuit, where all components are perfect and all parameters such as resistance, capacitance, and inductance are zero.

The ideal circuit also has no energy losses, making it an ideal electrical system. To create an ideal circuit, the following factors must be considered:

1. Perfectly Conductive Wires: The wires and other conductors used in the circuit should be perfect conductors, which means the resistance should be zero. This will ensure that no energy is lost in the form of heat.

2. Zero Inductance: Inductance is a property of a circuit which causes a voltage drop when current flows through it. The ideal circuit should have no inductance so that the current can flow freely.

3. Zero Capacitance: Capacitance is a property in which electric charge builds up when current passes through it. To create an ideal circuit, the capacitance should be zero.

4. Zero Impedance: Impedance is the opposition to the flow of current in an electrical circuit. The ideal circuit should have zero impedance so that the current can flow freely.

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The two gases that could be components of water are indeed hydrogen and oxygen.

Evidence to support this claim:

1. The chemical formula for water is H2O, which means that it is composed of two hydrogen atoms and one oxygen atom.

2. The table of elements shows that hydrogen (H) and oxygen (O) are both elements that exist in nature.

3. The atomic mass of hydrogen (1.008) and oxygen (15.999) matches the molecular mass of water (18.015).

4. Water is produced when hydrogen gas (H2) is burned in the presence of oxygen gas (O2), according to the following equation: 2H2 + O2 → 2H2O.

Overall, the evidence supports the conclusion that hydrogen and oxygen are the two gases that could be components of water.

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The approximate velocity of the stuntman, once he has left the cannon, is 11 m/s.

We can use the conservation of energy, where the potential energy stored in the compressed spring is converted into the kinetic energy of the stuntman as he is launched out of the cannon.

The potential energy stored in the spring is given by:

PE = (1/2)kx²

where k is the spring constant and x is the distance the spring is compressed.

PE = (1/2)(266 N/m)(5 m)² = 3325 J

This potential energy is then converted into kinetic energy:

KE = (1/2)mv²

where m is the mass of the stuntman and v is his velocity.

3325 J = (1/2)(55 kg)v²

v² = (2*3325 J) / 55 kg

v²  = 121 m²/s²

v = √(121 m²/s²) = 11 m/s

Therefore, the approximate velocity of the stuntman, once he has left the cannon, is 11 m/s.

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Answer : 0.00885 farads or 8.85 microfarads

Explanation: To calculate the capacitance required, we can use the following formula:

C = 1 / [2 * pi * f * ((V^2 - Vlamp^2)/P)]

where:

C = capacitance in farads (F)

pi = 3.14159...

f = frequency in hertz (Hz)

V = voltage in volts (V)

P = power in watts (W)

Vlamp = voltage of the lamp in volts (V)

Using the given values, we have:

C = 1 / [2 * pi * 60 * ((230^2 - 100^2)/750)]

C = 1 / [2 * 3.14159 * 60 * ((230^2 - 100^2)/750)]

C = 1 / [113.09724]

C = 0.00885 farads (F)

Therefore, the capacitance required is approximately 0.00885 farads or 8.85 microfarads.

Answer:

0 Newtons, to the nearest whole number

Explanation:

Using the formula attached to this answer,

F = (6.67 x 10-¹¹ • 95 • 82) / 0.6²

F = 5.19593 x 10-⁷ / 0.36

F = 1.4433 x 10-⁶ N

F = 0.000001443 N

To the nearest whole number

F = 0 N

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(a) The frequency ratio between the two frequencies fi = 256 Hz and f2 = 320 Hz is:

[tex]\frac{f_2}{f_i} = \frac{320}{256} = \frac{5}{4} = 1.25[/tex]

So the frequency ratio is 1.25.

(b) Adding the interval of a fifth to f2 = 320 Hz gives:

fs = f2 * (3/2) = 320 * (3/2) = 480 Hz

The frequency ratio fs/fi is:

[tex]\frac{f_s}{f_i} = \frac{480}{256} = \frac{15}{8} = 1.875[/tex]

So the frequency ratio is 1.875.

(c) To find the frequency of f3, we need to add the interval of a fourth to f2:

f3 = f2 * (4/3) = 320 * (4/3) = 426.67 Hz

Therefore, the frequency of f3 is 426.67 Hz.

Explanation:

Total distance travelled is   60 + 20 = 80 km

He went 60....then turned around and headed back 20 km

  so his displacement ( distance from starting point) is 60 - 20 = 40 km

The initial mass of the rocket was 106 kg.

We can use the principle of conservation of momentum to solve this problem.

The momentum of the rocket before takeoff is zero, since it is at rest, and the momentum after takeoff is the product of the mass of the rocket and its velocity.

However, during the takeoff, the rocket ejects a mass of fuel at a certain velocity, which creates a backward force (thrust) that propels the rocket forward.

This thrust can be calculated using the equation:

Thrust = (mass flow rate) x (exhaust velocity)

mass flow rate = (mass of fuel burned) / (burn time)

The mass of the rocket at any given time can be calculated using the equation:

mass = (initial mass) - (mass of fuel burned)

Using these equations, we can solve for the initial mass of the rocket:

Calculate the thrust:

Thrust = (118 kg / 10.0 s) x 1600 m/s = 1,888 N

Calculate the mass of the rocket at the end of the burn:

mass(end) = (initial mass) - (mass of fuel burned) = (initial mass) - 118 kg

Use the principle of conservation of momentum to find the initial mass:

momentum before = momentum after

0 = (mass(end) + 118 kg) x 110 m/s

mass(end) = -118 kg / 110 m/s = -1.07 kg/s

mass(end) = (initial mass) - 118 kg

(initial mass) = mass(end) + 118 kg

(initial mass) = (-1.07 kg/s x 10.0 s) + 118 kg

(initial mass) = 106 kg

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Explanation:

I'm sorry, but the statement you provided is incorrect. There is no such thing as Newton's 4th law. Newton's laws of motion consist of three laws, which are:

An object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

The acceleration of an object is directly proportional to the force applied to it and inversely proportional to its mass.

For every action, there is an equal and opposite reaction.

None of these laws state that action and reaction never start from the same point. However, it is true that the action and reaction forces act on different objects, not necessarily at the same point. This is because Newton's third law states that every action has an equal and opposite reaction, which means that when one object exerts a force on another object, the second object exerts an equal and opposite force back on the first object.

The speed of the wind is 20 miles per hour.

To solve this problem, we can use the formula:

Speed = Distance/Time

Let's assume that the speed of the wind is x miles per hour.

With the wind, the plane travels at a speed of 460 miles per hour. This means that its speed relative to the ground is the sum of its airspeed and the speed of the wind:

460 = Airspeed + x

Against the wind, the plane travels at a speed of 420 miles per hour. This means that its speed relative to the ground is the difference between its airspeed and the speed of the wind:

420 = Airspeed - x

We can solve this system of equations to find the airspeed of the plane:

460 = Airspeed + x

420 = Airspeed - x

Adding the two equations gives:

880 = 2Airspeed

Dividing both sides by 2 gives:

Airspeed = 440 miles per hour

Now that we know the airspeed of the plane, we can find the speed of the wind by substituting this value into one of the equations we obtained earlier:

460 = Airspeed + x

460 = 440 + x

x = 20

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Answer:

Explanation:

Assuming negligible air resistance, the horizontal velocity of the shingle will remain constant and the vertical motion will be influenced by gravity.

We can use the kinematic equations of motion to determine the horizontal distance traveled by the shingle. The relevant equation is:

d = v * t

where d is the distance, v is the initial horizontal velocity, and t is the time of flight.

To find the time of flight, we can use the equation for the vertical displacement of an object under constant acceleration:

y = v0t + (1/2)at^2

where y is the vertical displacement, v0 is the initial vertical velocity (which is zero), a is the acceleration due to gravity (-9.8 m/s^2), and t is the time of flight. Solving for t, we get:

t = sqrt((2y)/a)

where sqrt means square root.

Substituting the given values, we have:

y = 9.4 m

a = -9.8 m/s^2

t = sqrt((2*9.4 m) / -9.8 m/s^2) = 1.45 s (using the positive root since time cannot be negative)

Now, we can use the horizontal velocity to find the distance traveled in this time:

d = v * t = 7.2 m/s * 1.45 s = 10.44 m

Therefore, the shingle moves a horizontal distance of 10.44 meters in this time.

Answer:

Abundance on Earth is not necessary for calculating the age of something using radioactive dating methods.

In contrast, the amount of radioactive isotope within a sample and its half-life are crucial for determining the age of the sample using radioactive dating methods. The amount of sample, such as 100g, is also important for determining the quantity of radioactive isotopes present, which is used in the calculation of the age of the sample.

Answer:

-2 m/s and the average acceleration is 2 m/s².

Explanation:

To find the average velocity of particle P over the time interval 1<=t<=3 sec, we need to use the following formula:

average velocity = (final displacement - initial displacement) / (final time - initial time)

In this case, the initial time is 1 sec and the final time is 3 sec. Therefore, the initial displacement is:

x(1) = 1² - 6(1) = -5

And, the final displacement is:

x(3) = 3² - 6(3) = -9

Now, we can substitute the values in the formula:

average velocity = (-9 - (-5)) / (3 - 1) = -2 m/s

To find the average acceleration of particle P over the time interval, we need to use the following formula:

average acceleration = (final velocity - initial velocity) / (final time - initial time)

We know that the initial time is 1 sec, the final time is 3 sec, and the initial velocity is the velocity at time t=1 sec. Therefore, the initial velocity is:

v(1) = 2t - 6 = 2(1) - 6 = -4 m/s

We also know that the final velocity is the velocity at time t=3 sec. Therefore, the final velocity is:

v(3) = 2t - 6 = 2(3) - 6 = 0 m/s

Now, we can substitute the values in the formula:

average acceleration = (0 - (-4)) / (3 - 1) = 2 m/s²

Therefore, the average velocity of particle P over the time interval 1<=t<=3 sec is -2 m/s and the average acceleration is 2 m/s².

Answer:

When exercising in the heat, it's important to take precautions to prevent heat-related illnesses. Two things you should always do when exercising in the heat are:

1.Stay hydrated: Drink plenty of water before, during, and after your workout to avoid dehydration. Sip water frequently, even if you don't feel thirsty.

2.Take breaks and rest in the shade: If you start feeling dizzy, lightheaded, or excessively fatigued, take a break in a cool, shaded area. Resting can help your body cool down and prevent heat exhaustion or heat stroke.

Explanation:

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Answer:  a stretch of 2

Explanation: because it 2 (x) - 3

Answer:

Explanation:

We can use the kinematic equation v^2 = u^2 + 2as to solve for the length of the driveway. Here, u = 0 (since the car starts from rest), v = 3.8 m/s, a = F/m = 4.0 x 10^3 N / 2.1 x 10^3 kg = 1.9 m/s^2. Solving for s, we get:

s = (v^2 - u^2) / 2a = (3.8^2) / (2 x 1.9) = 3.8 m

So the length of the driveway is 3.8 meters.

Answer:

The period of a ticker-timer is the time interval between two consecutive dots made by the ticker.

If the frequency of the ticker-timer is 25 Hz, then it makes 25 dots in one second. Therefore, the period of the ticker-timer can be calculated as:

Period = 1/frequency = 1/25 Hz = 0.04 seconds

If the frequency of the ticker-timer is 50 Hz, then it makes 50 dots in one second. Therefore, the period of the ticker-timer can be calculated as:

Period = 1/frequency = 1/50 Hz = 0.02 seconds

So, the period of the ticker-timer is 0.04 seconds for a frequency of 25 Hz and 0.02 seconds for a frequency of 50 Hz

Explanation:

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Answer: increases

Explanation: