There are 9 different positions on a baseball team. if a team has 13 players how many different line-ups can the team make? the team can make different line-ups.

Pption d. flow does not independently influence the speed of water in a stream. Instead, it is an outcome determined by the combined effects of gradient, discharge, and channel geometry.

The flow itself, or the rate at which water moves in a stream, is not an independent factor that influences the speed of water in a stream. Instead, it is a result of other factors such as gradient, discharge, and channel geometry.

a. Gradient: The gradient, or slope, of the stream affects the speed of water. Steeper gradients generally lead to faster-flowing water.

b. Discharge: The discharge of a stream, which refers to the volume of water passing through a given point in a specified amount of time, directly affects the speed of water. Higher discharge results in faster flow.

c. Channel geometry: The shape and dimensions of the stream channel also influence the speed of water. Wider and deeper channels tend to have slower flow, while narrower and shallower channels often lead to faster flow.

Therefore, option d. flow does not independently influence the speed of water in a stream. Instead, it is an outcome determined by the combined effects of gradient, discharge, and channel geometry.

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Answer:

OPEN, INTERRUPTION,  CLOSED

Explanation:

In this exercise, you are asked to complete the expression with the correct words.

Let's resist an important concept when a circuit has a path leaving a point and can return to the same point, it is said that the circuit is closed and current can circulate.

Now let's complete the expression is

The bulb is not on because the switch is__OPEN_

and there is a_INTERRUPTION___in the circuit.

The bulb will come on if you_CLOSED__

In an incompressible flow, the speed at which an acoustic wave propagates depends on the physical properties of the medium through which it is traveling. Generally speaking, the speed of an acoustic wave in an incompressible flow is slower than in a compressible flow, since the latter can support pressure waves that move faster than sound.

The speed of an acoustic wave in an incompressible flow can be calculated using the following formula:

c = √(K/ρ)

where c is the speed of the wave, K is the bulk modulus of the medium (a measure of its resistance to compression), and ρ is its density.

For example, if we assume a bulk modulus of 2.3 GPa and a density of 1000 kg/m^3 (typical values for water), we get a speed of approximately 1500 m/s for an acoustic wave in an incompressible flow.

It's worth noting that this speed can vary depending on the exact conditions of the flow, as well as any obstructions or other features that might affect the propagation of the wave. Nonetheless, the above formula provides a useful starting point for understanding the speed of acoustic waves in incompressible flows.

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Length of :  |AB| = √(x2-x1)2 + (y2-y1)2

|AB| = √(x2-x1)2 + (y2-y1)2

|AB| = √(x2-x1)2 + (y2-y1)2

Sum of :  x1+x2+y1+y2

Angle :  θ = arctan2(y2-y1, x2-x1)

Length is a measure of distance in one dimension, typically described as the longest side of an object, such as a line, a road, or a wall. The most common unit of measurement is a linear one, such feet, miles, centimetres, or millimetres. Length can also be measured in three-dimensional units, such as inches, feet, yards, and miles, as well as in other units such as cubits, rods, and fathoms. In terms of physics, length is the physical property of an object that describes its overall size and shape, or the distance between two points.

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The orbit of the Moon is inclined relative to the ecliptic plane.

The ecliptic is the plane defined by the Earth's orbit around the Sun. It serves as a reference for the apparent path of the Sun across the sky throughout the year. The Moon's orbit, on the other hand, is tilted or inclined with respect to the ecliptic plane. This inclination causes the Moon to have varying positions above or below the ecliptic at different points in its orbit.

The Moon's orbital inclination is approximately 5.14 degrees relative to the ecliptic plane. This means that the Moon's orbit is not perfectly aligned with the plane of Earth's orbit around the Sun. As a result, the Moon's path in the sky can deviate from the ecliptic, sometimes appearing higher and sometimes lower.

This inclination of the Moon's orbit plays a significant role in determining when and where lunar eclipses occur. Since the Moon's orbit intersects the ecliptic plane at two points called the lunar nodes, eclipses can occur when the Moon is in the vicinity of these nodes during a full moon or new moon.

In summary, the Moon's orbit is inclined relative to the ecliptic plane, causing it to have varying positions above or below the ecliptic throughout its orbital journey around the Earth.

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Answer:

4 target heart rate. is the answer

Explanation:

hope its right

Answer:

atoms in hot gas moves so fast that if they collied witheach other sometimes electrons knocked.

Answer:

atoms in hot gas moves so fast that if they collided with each other electrons knocked.

Explanation:

His mass is 50 kg . . . on the Moon, on the Earth, in the capsule rocketing between them, and on Halley's comet if he ever goes there.

Answer:

50kg

Explanation:

The mass of a man on the Earth and the moon is the same, so we only need to use the 490N weight on Earth.

The formula for mass is m=w/g. Plugging in the values, we can determine that m=490N/9.8m/s^2. (g is gravitational constant, which is approximately 9.8m/s^2 on Earth)

The reason that the unit in the answer is in kg is because one newton (N) is 1kg*m/s^2. The m/s^2 is cancelled out by the m/s^2 in the gravity constant, so it leaves kg.

m=50kg

Detection methods to measure the gravitational tug of a planet on its star that is allowing us to estimate planetary mass is : (c) the astrometric and doppler methods.

Method for finding extrasolar planets and brown dwarfs from radial-velocity measurements through observation of doppler shifts in the spectrum of the planet's parent star is called doppler spectroscopy.

It is also known as the radial-velocity method or the wobble method.

Method that detects the motion of a star by making precise measurements of its position on the sky is called astrometry. This technique can be used to identify the planets around a star by measuring small changes in the position of the stars.

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Telephoto lens which is mixture of concave and convex should molly use if wants to take a picture of a bluebird in a tree across the street.

A mirror can be made by dissecting a hollow spherical into its component pieces, painting the exterior surface, and using the interior surface as the reflective surface. Concave mirrors are what these are.

When light hits the concave mirror's reflecting surface, it converges at a single point and reflects back. Because of this, it is occasionally referred to as a "converging mirror". An upright, magnified image of the object can be obtained by placing the concave mirror very close to it. The size of the image, however, decreases as the distance between the object and the mirror increases, creating an actual, inverted image. The concave mirror has the potential to produce a tiny picture.

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the 3rd option is the correct answer

(. ^ ᴗ ^.)

Answer:

C: Karl Schwarzschild correctly analyzed the relationship between the size of a black hole and its mass.

Explanation:

Karl Schwarzschild correctly analyzed the relationship between the size of a black hole and its mass. The correct option is C.

A black hole is an area of spacetime in which gravity is so powerful that nothing, not even light or other electromagnetic waves, can escape. According to general relativity theory, a sufficiently compact mass can bend spacetime to generate a black hole.

Karl Schwarzschild, a German physicist, was the first to "find" black holes. In 1915, he proposed a general relativity solution that was applicable to the simple (i.e., nonrotating, uncharged, and boring) example of a perfectly spherical object contained in otherwise empty space.

These suggestions are now known as the Schwarzschild radius and the singularity. Every item is allocated a Schwarzschild radius, which is determined by the object's mass. Gravity's behaviour begins to become strange within this radius.

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The internal resistance of a 12 V e.m.f cell is 5 10 2, and it is connected via an unknown resistance. When the circuit is closed, the terminal voltage difference is 2.2 V, such as R=5, the voltage differential drops to 1.8 V.

The difference in potential between a cell's two electrodes in a closed loop is known as the terminal voltage differential of a cell. When current is pulled from a cell, the value of the terminal potential difference is lower than the cell's emf.

The term "terminal potential difference" refers to the difference in potential between two electrodes in a closed circuit, or while current is being pulled from the cell.

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Answer:

B

Explanation:

V=IR    I= curren V=volt R=resistor

8=2.R   8/2=R R=4

Answer:

The atmosphere is composed of five layers.

Explanation:

The five layers the atmosphers is made up of are: the exosphere, the thermosphere, the mesosphere, the stratosphere, and the troposphere.

Answer:

I think its dense and solid and located near a star.

Explanation:

Hope this helps, good luck.

Answer:

42g

Explanation:

the mass of a body is given by

m=weight/gravity

=420/10

=42

I hope this helps

Answer:

The quadratic function models the path of the rocket. When we substitute an x value, we can determine the height in feet of the rocket.

To determine the height it was launched from, we would look at the y-intercept. This represents the starting value, as time = 0 in this point (cannot have negative time).

To determine how far the rocket traveled, we would look at the positive x-intercept of the expression. At this point, height = 0, so we can see the distance from start to finish of the rocket.

To determine the greatest height achieve, we would look at the vertex of the parabola generated from the given function. Using (-b/a, f(-b/a)), we can determine the greatest height achieved.

Answer: gravity

normal force

friction

Explanation:

A force is refered to as the interaction which when unopposed, will lead to a change in an objects motion. The velocity of an object will be changed when force is applied.

Since Alisa s riding down a hill and she and the skateboard are considered to be a single object, then the forces that are acting on her include gravity, normal force and friction.

Answer:

Dude this is based on some egg you have

Explanation:

Answer:

Moderate apnea. Moderate apnea is defined as 15 to 29 episodes of apnea or reduced airflow to the lungs every hour. Symptoms may include drowsiness or falling asleep during activities that require some attention, such as attending a concert or a meeting. These symptoms may cause moderate problems with work or social functioning. Severe apnea.

Explanation:

Answer:

5m

Explanation:

Using Pythagoras theorem,

a^2+ b^2=c^2

3^2+4^2=c^2

25=c^2

√(25)=c

5m=c

Answer:

b. the wire will become warmer

Explanation:

The change that will occur in the wire of an electrical circuit working properly is that the wire will become warmer.

The reason for this is that some of the electrical energy will be converted to heat or thermal energy.

Answer:

Explanation:

a) Velocity increased at the rate of 0.40 m/s^2 for 40 s, so increased by ...

  (0.40 m/s^2)(40 s) = 16 m/s

The final velocity is ...

  8 m/s + 16 m/s = 24 m/s

__

b) The average velocity over the 40 s period is (8 m/s +24 m/s)/2 = 16 m/s, so the distance traveled is ...

  (16 m/s)(40 s) = 640 m

The speed of the block after sliding down the incline is approximately 3.47 m/s.

1. Determine the net force acting on the system:

  - The force due to gravity can be split into two components: one parallel to the incline and one perpendicular to it.

  - The parallel component of the gravitational force is given by F_parallel = m*g*sin(theta), where m is the mass of the block and theta is the angle of the incline.

  - The frictional force opposing the motion is given by F_friction = coefficient of kinetic friction * (m*g*cos(theta)), where the coefficient of kinetic friction is 0.11.

  - The net force acting on the system is the difference between the parallel component of the gravitational force and the frictional force: F_net = F_parallel - F_friction.

2. Calculate the acceleration of the system:

  - The total force acting on the system is the tension in the string (T) minus the force due to the spring (F_spring): F_net = T - F_spring.

  - The force exerted by the spring is given by Hooke's Law: F_spring = -k*x, where k is the spring constant (3.2 N/m) and x is the displacement of the spring from its equilibrium position.

  - The displacement of the spring is related to the displacement of the block on the incline by x = s*sin(theta), where s is the distance the block has moved along the incline.

  - Substituting the expression for x into the force equation, we have F_spring = -k*s*sin(theta).

  - Combining the equations for the net force, F_net, and the force due to the spring, F_spring, we get T - k*s*sin(theta) = m*a, where a is the acceleration of the system.

3. Solve for the acceleration:

  - Rearranging the equation from step 2, we have T = k*s*sin(theta) + m*a.

  - Substitute the expression for the net force, F_net, into the equation above: m*g*sin(theta) - m*g*cos(theta)*coefficient of kinetic friction = k*s*sin(theta) + m*a.

  - Simplify the equation: g*sin(theta) - g*cos(theta)*coefficient of kinetic friction = k*s + a.

  - Since the system starts from rest, the initial velocity is zero (v₀ = 0), and the equation for motion along the incline becomes v = v₀ + a*t = a*t.

  - The displacement of the block along the incline is related to the time by s = (1/2)*a*t².

  - Substitute the expressions for s and a into the simplified equation: g*sin(theta) - g*cos(theta)*coefficient of kinetic friction = k*(1/2)*a*t² + a.

  - Rearrange the equation to isolate a: a*(1 + k*(1/2)*t²) = g*(sin(theta) - cos(theta)*coefficient of kinetic friction).

  - Solve for a: a = g*(sin(theta) - cos(theta)*coefficient of kinetic friction) / (1 + k*(1/2)*t²).

4. Find the time it takes for the block to reach the bottom of the incline:

  - The distance traveled by the block along the incline, s, is given by the length of the incline, L, which is related to the angle theta: L = h/sin(theta), where h is the vertical height of the incline.

  - The time it takes for the block to reach the bottom of

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Answer: it  is proposes that in Earth's prebiotic history, simple organic matter was exposed to energy in the form of volcanoes and electrical storms

Explanation:

Answer:

  36 years

Explanation:

Given the equation of Kepler's third law as T² = a³, you want to know the period of an asteroid that has an orbital radius of 11 au.

Solving the given equation for t, we find ...

  T = a^(3/2) . . . . . . take the 1/2 power

Then for a=11, the period in years is ...

  T = 11^(3/2) ≈ 36.48

The period of the asteroid is about 36 years.

9) Speed of San Francisco is 5.19 cm/year (rounded to nearest hundredth)

10) Speed of Los Angeles is 3.63 cm/year (rounded to nearest hundredth)

11) The distance between San Francisco and Anaheim, CA is 383 miles (rounded to the nearest whole number).

To solve the given problem, we need to know about Goode's Atlas and Plate Motion Calculator.Goode's Atlas:It is an Atlas of the World which is designed to minimize distortion for the whole globe. It is a modified cylindrical equal-area projection in which the standard parallel is 40°44'N.

Plate Motion Calculator:It is an online tool that helps in calculating plate motion (relative to a fixed hotspot) using the NUVEL-1A plate motion model provided by UNAVCO.

It helps in calculating the distance between the two cities and also their relative speeds.

9) Speed of San Francisco:As we know, San Francisco is located at the latitude and longitude of (37.77° N, 122.41° W).

By using the Plate Motion Calculator, we can calculate the speed of San Francisco, which is 5.19 cm/year (rounded to nearest hundredth)

10) Speed of Los Angeles:Similarly, we can calculate the speed of Los Angeles by using its latitude and longitude, which are (34.05° N, 118.24° W).The speed of Los Angeles is 3.63 cm/year (rounded to nearest hundredth).

11) Distance between San Francisco and Anaheim:By using Goode's Atlas, we can look up the latitude and longitude of San Francisco and Anaheim (in LA).San Francisco: (37.77° N, 122.41° W)

Anaheim: (33.84° N, 117.91° W)

Now, we can calculate the distance between San Francisco and Anaheim using the Haversine formula:

d = 2r × arcsin(√sin²((lat2-lat1)/2) + cos(lat1) × cos(lat2) × sin²((long2-long1)/2)))

Where, lat1 = 37.77° N

lat2 = 33.84° N

long1 = 122.41° W

long2 = 117.91° W

r = radius of Earth = 3958.75 mile

sPutting the values in the formula, we get:

d = 383 miles (rounded to the nearest whole number).

Therefore, the distance between San Francisco and Anaheim is 383 miles (rounded to the nearest whole number).

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