A crate (60 kg) is in an elevator traveling upward and slowing down at 6 m/s2. find the normal force exerted on the crate by the elevator. assume g

All of the following are major body tissue types except Lymphatic tissue.

Tissue is the mass of the cell of body of human.

The lymphatic system is an extensive network of vessels, nodes, and ducts that pass through almost all bodily tissues. It allows the circulation of a fluid called lymph through the body in a similar way to blood.

The lymphatic system is a network of vessels, nodes, and ducts that collect and circulate excess fluid  in the body.

The lymphatic system is part of the immune system. It also maintains fluid balance and plays a role in absorbing fats and fat-soluble nutrients.

The lymphatic system drains excess fluid that accumulates in bodily tissue, filters out foreign bodies, and transports it back into the bloodstream.

Failures of the lymphatic system can cause swelling, venous dysfunction, and life threatening complications.

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Answer:

C. Increasing the temperature increases the reaction rate.

Explanation:

The reaction rates aren't listed in any specific order, and haven't been combined.

Increasing concentration on it's own increases the reaction rate, increasing the temperature on it's own increases the reaction rate, and adding metal on it's own increases the reaction rate.

Since the question is referring specifically to the effects that temperature has on the reaction rate of the reaction being tested, all we need to do is look at the "Original" Conditions and the "Higher temperature" Conditions on the table.

The reaction rate before changing anything (Original conditions) was 10 seconds. After increasing the temperature (Higher temperature conditions), the reaction rate was 5 seconds.

5 seconds is less than 10 seconds, which means that less time was taken for it to react, so that means that the reaction rate was faster when the temperature was increased.

The sun's thermal energy serves as the primary energy source for producing atp during the photosynthesis process. Essentially, it serves as the primary catalyst for all metabolic processes in plants. Protons diffusing through the F0 section of ATP synthase

All living things contain the energy-carrying molecule adenosine triphosphate (ATP) in their cells. When food molecules are broken down, chemical energy is released that is captured by ATP and used to power other cellular operations.

To drive metabolic events that would not happen naturally, to transfer necessary molecules across membranes, and to do mechanical labor, such as moving muscles, cells need chemical energy.

Chemical energy cannot be stored by ATP; lipids and carbohydrates such as glycogen serve this purpose. ATP is created when energy from storage molecules is required by the cell.

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Answer:

Rubber soled sneakers make it harder to slip while running

Explanation:

PE = 450 m

Given

The initial problem might be like this

A 1.0-kg ball is thrown into the air with an initial velocity of 30 m/s.

Required

Potential energy

Solution

h max = vo²sin²θ/2g

h max = 30²sin²90/2.10

h max = 45 m

PE = m.g.h

PE = 1 x 10 x 45

PE = 450 m

The height of the 500-mb pressure level plotted at North Platte (LBF) in western Nebraska was 5,570 meters  m above sea level.

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

Recalling that the heights plotted at individual stations on 500-mb maps are in tens of meters (place a 0 to the right of the three plotted digits).

The coded height at North Platte, in west-central Nebraska, ("557") indicated 500 mb occurred at 5,570 meters above sea level.

Thus, The height of the 500-mb pressure level plotted at North Platte (LBF) in western Nebraska was 5,570 meters  m above sea level.

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The critical angle for total internal reflection is the angle of incidence at which the angle of refraction is 90 degrees. It can be calculated using Snell's law, which relates the angles of incidence and refraction to the refractive indices of the two media:

n₁ * sin(θ₁) = n₂ * sin(θ₂)

where n₁ is the refractive index of the incident medium (air), n₂ is the refractive index of the refracting medium (the material), θ₁ is the angle of incidence, and θ₂ is the angle of refraction.

When the angle of incidence is greater than the critical angle, the angle of refraction becomes greater than 90 degrees, and the light is totally reflected back into the material. Therefore, to find the critical angle, we need to find the angle of incidence at which the angle of refraction is 90 degrees.

Since air has a refractive index of approximately 1, we can simplify Snell's law to:

sin(θ₁) = n₂ / 1

sin(θ₁) = n₂

Using the given refractive index of the material, we have:

sin(θ₁) = 1.40

To find the critical angle, we need to solve for θ₁ such that sin(θ₁) = 1.40. However, this is not possible since the sine function has a maximum value of 1. Therefore, there is no critical angle for total internal reflection for light leaving this material into air. This means that any light entering the material from air will refract into the material at all angles, and none of it will be totally reflected back into the air.

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Answer:

Asteroid 1 has more mass than asteroid 2

Explanation:

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thenoobygamerpro

01/25/2020

Physics

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Asteroid 1 moving 8km/s right asteroid 2 moving 16 km/s left before the crash. After the crash asteroid 1 is moving 4 km/s left and changed speed bu 12km/s. Asteroid 2 moving 2km/s left and changed speed by 14km/s

Two asteroids crashed. The crashed caused both asteroids to change speed. Scientist want to use the change in speed and motion to figure out which asteroid has more mass. Based on the information in the diagram. which statement is correct? In your answer explain what the forces were like and why the asteroids changed motions

Asteroid 1 has more mass than asteroid 2

Asteroid 1 and asteroid 2 are the same mass

Or asteroid 1 has lees mass than asteroid 2

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Answer: Asteroid 1 has more mass than asteroid 2

Explanation:

We can use the conservation of momentum law to find the answer. So, according to this law:

"If two objects or bodies are in a closed system and both collide, the total momentum of these two objects before the collision will be the same as the total momentum of these same two objects after the collision".

This means the momentum before the collision or crash () is equal to the momentum after the collision ():

(1)

Before the crash:

(2)

Where:

is the mass of the first asteroid

is the velocity of the first asteroid

is the mass of the second asteroid

is the velocity of the second asteroid

(3)

After the crash:

(4)

Where:

is the final velocity of the first asteroid

is the final velocity of the second asteroid

(5)

Substituting (3) and (5) in (1):

(6)

Grouping similar terms:

(7)

Then:

(8) This means  must be multiplied by 1.16 km/s in order to make this side of the equation equal to .

While rounding a curve, inertia experiences a tug toward the outside.

At this level, calling a force a pushing or a pulling is entirely appropriate. A force isn't something an object "has in it" or that it "contains." One thing experiences a force from another. There are both living things and non-living objects in the concept of a force.

A live thing's physical strength or power: He exerted all of his physical strength to open the window. To apply force on someone or something, such as to open a window, is to exert strength or authority over it. Force can also refer to physical coercion or violence.

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The total momentum before the collision is -2.0kgm/s.

What is momentum?

This can be defined as the product of the mass and velocity of an object.

what is the formula for calculation momentum?

momentum Ρ= mass*velocity

                      =m*v

Given in the equation:

m₁=2.0kg

v₁=-1.0m/s

Calculating the first momentum i.e momentum before collision:

Ρ₁=m₁*v₁

   =2.0kg*-1.0m/s

   Ρ₁ =-2.0kgm/s

Given in the equation:

m₂=200.0kg

v₂=15.00m/s

Calculating the second momentum:

Ρ₂=m₂*v₂

    =200.0kg*15.00m/s

    =3,000kgm/S.

Hence the total momentum before the collision will be the first momentum i.e Ρ₁ =-2.0kgm/s

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Answer:

-2.0kgm/s

Explanation:

The other guy said so

Moped riding represent angry customers in the model from the lesson.

Moped riding refers to the riding of a special type of small motorcycle, generally having a less stringent licensing requirement than full motorcycles or automobiles.

Generally, the word "moped riding" describes any two-wheeledth with a step-through chassis and footrest platform. These two-wheeled vehicle are usually equipped with bicycle-like pedals that the rider uses to propel the vehicles.

Although motorcycles are usually very harder to learn to ride

The following are other types of riders:

So therefore, moped riding represent angry customers in the model from the lesson.

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Answer:

B and C

Explanation:

It is a reaction between a component(chemical reaction).

Kepler's laws are fundamental principles of celestial mechanics and continue to be valid for all planets in our solar system, including the ones discovered after Kepler's era.

Kepler's laws of planetary motion are fundamental principles that describe the motion of planets around the Sun and were derived based on observational data available to Johannes Kepler during the 16th and 17th centuries. However, these laws are not limited to the six planets known in Kepler's time.

Kepler formulated three laws of planetary motion:

1. Kepler's First Law (Law of Ellipses): Planets orbit the Sun in elliptical paths, with the Sun located at one of the two foci of the ellipse. This law applies to all planets, including those discovered after Kepler's time.

2. Kepler's Second Law (Law of Equal Areas): An imaginary line connecting a planet to the Sun sweeps out equal areas in equal time intervals. This law holds for all planets, regardless of when they were discovered.

3. Kepler's Third Law (Harmonic Law): The square of a planet's orbital period is proportional to the cube of its average distance from the Sun. This law applies to all planets, both the ones known in Kepler's time and the ones discovered later.

Kepler's laws are fundamental principles of celestial mechanics and continue to be valid for all planets in our solar system, including the ones discovered after Kepler's era. They provide important insights into the motion and behavior of celestial bodies.

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Answer:

b

Explanation:

Answer:

B. Earth's rotation on its axis.

Explanation:

:) good luck

Answer:

Please see the answers in the picture attached below.

Explanation:

Hope this answer can help you. Have a nice day!

Answer:

Inelastic

Explanation:

The price elasticity of demand is the degree of responsiveness of demand for a product or service to a unit change in price. The demand for a product is said to be elastic when a change in price has a relatively large effect on the demand for the product, unitary when there is a percentage change in price brings about an equal percentage change in the demand for the product, and inelastic when a change in the price of a product brings about a smaller change in the demand for the product.

In the case of the DVD rentals, a 10% increase in price brought about only a 5% drop in demand. Hence, the demand for DVD rentals is said to be inelastic because a change in the price brought about a smaller change in the demand for DVD rentals.

Answer:

We can only find the change in velocity by the area under the acceleration time graph by calculating the area under the curve to the given time. Then by the formula of the difference in the final and initial velocity you can find the final velocity of the object in the given time period.

Answer:

8.0 I mean for 10,  10 is wrong

Explanation:

Multiplying the force on the object by the time over which the force acts, multiplying the mass of the object by the velocity change of the object

Answer:

\(10\; {\rm kg \cdot m\cdot s^{-1}}\).

(Assume that there are no other unbalanced force on this object.)

Explanation:

When an object of mass \(m\) travels at a velocity of \(v\), the momentum \(p\) of that object would be \(p = m\, v\).

In this question, the \(m = 6.0\; {\rm kg}\) object was initially at a velocity of \(v = 3.0\; {\rm m\cdot s^{-1}}\). The initial momentum of this object would be:

\(\begin{aligned} p &= m\, v \\ &= (6.0\; {\rm kg})\, (3.0\; {\rm m\cdot s^{-1}}) = 18\; {\rm kg\cdot m\cdot s^{-1}}\end{aligned}\)

The question states that the external force is "resistive". In other words, this force opposes the motion of this object. Hence, while the magnitude of this force is \(40\; {\rm N}\), the vector value of this force would be \((-40)\; {\rm N}\).

To find the impulse \(P\) that a force \(F\) has exerted, multiply the force vector by the duration \(\Delta t\) over which this force was applied.

For example, the \((-40)\; {\rm N}\) force in this question was applied over a period of \(\Delta t = 0.20\; {\rm s}\). This force would have exerted an impulse \(J\) of:

\(\begin{aligned}J &= F\, \Delta t \\ &= (-40\; {\rm N})\, (0.20\; {\rm s}) = (-8.0)\; {\rm N\cdot s}\end{aligned}\).

Note that \(1\; {\rm N}\) is equivalent to \(1\; {\rm kg\cdot m\cdot s^{-2}}\). Therefore, the unit of impulse \({\rm N\cdot s}\) would be equivalent to \({\rm (kg\cdot m\cdot s^{-2})\cdot s}\), which simplifies to \({\rm (kg\cdot m\cdot s^{-1})}\).

Thus, the impulse on this object \((-8.0)\; {\rm N\cdot s}\) would be equivalent to \((-8.0)\; {\rm kg\cdot m\cdot s^{-1}}\).

The total impulse on an object is also equal to the change in the momentum of the object. Assuming that there are no other unbalanced force on this object, the total impulse on this object would be \((-8.0)\; {\rm kg\cdot m\cdot s^{-1}}\). The momentum of this object would become:

\(\begin{aligned}& 18.0\; {\rm kg \cdot m\cdot s^{-1} + (-8.0)\; {\rm kg\cdot m\cdot s^{-1}} \\ =\; & 10\; {\rm kg\cdot m\cdot s^{-1}} \end{aligned}\).

The rocky object is most likely an asteroid or a dwarf planet, since it is a solid, rocky object and not a gas giant. It rotates once every 18 hours.

It is relatively fast compared to some larger objects in the solar system. It is also three times farther from the sun than Earth, which puts it in the outer solar system.
In space, a rocky object that measures 50 miles across, rotates once every 18 hours, and is three times farther from the sun than Earth, is most likely a dwarf planet or an asteroid. These celestial bodies are typically composed of rock and/or ice and have irregular shapes. Their distance from the sun and rotation period can vary widely, making it difficult to pinpoint a specific classification without further information.

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Answer:

2.44 m/s due East

Explanation:

From the question given above, the following data were obtained:

Mass of 1st car (m₁) = 4 Kg

Velocity of 1st car (u₁) = 3 m/s

Mass of 2nd car (m₂) = 5 Kg

Velocity of 2nd car (u₂) = 2 m/s

Final velocity (v) =?

The final velocity can be obtained as follow:

v(m₁ + m₂) = m₁u₁ + m₂u₂

v(4 + 5) = (4×3) + (5×2)

9v = 12 + 10

9v = 22

Divide both side by 9

v = 22/9

v = 2.44 m/s

Thus, the final velocity is 2.44 m/s.

Since both cars was moving due East before collision, and after collision, they stick together, then their direction will be due East.

Answer:

Explanation:

An airplane is flying with a velocity of 42 m/s at a standard altitude of 3 km. At a point on the wing, the airflow velocity is 88 m/s. The  pressure at the point on the wing is  \(P = 6.96 * 10^4 N/m^2\).

To calculate the pressure at a point on the wing, we can use Bernoulli's equation, which relates the pressure, velocity, and density of a fluid in steady, incompressible flow.

The equation is as follows:

P + 1/2 * ρ * \(V^2\) = constant

where P is the pressure, ρ is the density of the fluid, and V is the velocity of the fluid.

Given:

\(P_1 = 7.01 * 10^4 N/m^2\) (pressure at standard altitude)

ρ = \(0.909 kg/m^3\) (density of the fluid)

\(V_1 = 42 m/s\) (velocity of the airplane)

\(V_2 = 88 m/s\) (velocity at the point on the wing)

To find the pressure at the point on the wing, we can use Bernoulli's equation for the standard altitude and the point on the wing, and then solve for P:

\(P_1 + 1/2\) * ρ * \(V_1^2\) = \(P + 1/2\)  * ρ * \(V_2^2\)

Substituting the given values:

\(7.01 * 10^4 + 1/2 * 0.909 * 42^2 = P + 1/2 * 0.909 * 88^2\)

Simplifying the equation:

\(7.01 × 10^4 + 1/2 * 0.909 * 1764 = P + 1/2 * 0.909 * 7744\)

7.01 × 10^4 + 804.906 = P + 3526.242

\(P + 4329.148 = 7.01 *10^4\)

\(P = 7.01 * 10^4 - 4329.148\)

\(P = 6.96 * 10^4 N/m^2\)

Therefore, the pressure at the point on the wing is \(P = 6.96 * 10^4 N/m^2\)

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Answer:

Example 1, if a vernier caliper output a measurement reading of 2.13 cm, this means that: The main scale contributes the main number(s) and one decimal place to the reading

E.g. 2. 1 cm, whereby 2 is the main number and 0.1 is the one decimal place number

Explanation:

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Displacement of diver , d = 6000-1260 = 4740 m.

Let, time taken be t .

By equation of motion :

\(v^2-u^2=2gs\\\\v=\sqrt{2gs}\\\\v=\sqrt{2\times 9.8\times 4740}\ m/s\\\\v=304.8\ m/s\)

Now , by equation :

v = u +gt

304.8 = 0 + 9.8t

t = 31.1 seconds

Hence, this is the required solution.

Answer:

\(6.5646\times 10^{16}~ \text{Hz}\)

Explanation:

\(\text{Frequency,}~ f= \dfrac{c}{\lambda} = \dfrac{3\times 10^8 }{4.57 \times 10^{-9}} = 6.5646\times 10^{16}~ \text{Hz}\)

The external agent must do 1.254 Joules of work to stretch the spring by 4.00 cm from its unstretched position.

To calculate the work done to stretch the spring, we can use Hooke's Law, which states that the force exerted by the spring is directly proportional to the displacement.

The formula for work done is given by

W = (1/2) k x^2, ]

where W is the work done, k is the spring constant, and x is the displacement.

Given that the 4.00-kg object stretches the spring by 2.50 cm, we can find the spring constant using Hooke's Law:

F = kx.

Since the weight of the object is 4.00 kg and acceleration due to gravity is 9.8 m/s^2, the force exerted by the object is

4.00 kg * 9.8 m/s^2

= 39.2 N.

Therefore, k = F/x

= 39.2 N / 0.025 m

= 1568 N/m.

To find the work done to stretch the same spring by 4.00 cm, we use the formula:

W = (1/2) k x^2

= (1/2) * 1568 N/m * (0.04 m)^2

= 1.254 J.

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Answer:

Na+ca+CO=NACo^3

Explanation:

NA Burns violently with explosions that may spatter the material. Used for making gasoline additives, electric power cable, sodium lamps, other chemicals.