3) if tom cruise (red bike rider) is more massive than the other actor, which person has more momentum in mid-air? explain.
4) if the total momentum of both riders added together is 2400 kgm/s before they collide, what is their total momentum after they collide? explain how you know that?
5) is this collision elastic or inelastic? explain how you know.
6) if tom is more massive and stronger than the other actor, compare the forces that they exert on each other when they collide. explain.
7) what would this scene look like if it were done in space? what would be the same? what would be different? be sure to answer using the appropriate physics word (see top of page)

The distance to the star, in parsecs, is 30 pc.

The distance to the star, in light years, can be calculated using the conversion factor of 3.26 light years per parsec. Therefore, the distance to the star in light years is approximately 97.8 light years.

The distance to a star can be determined using its measured parallax angle. Parallax is the apparent shift in the position of an object when viewed from two different points. It is measured in units of arc seconds.

The formula to calculate the distance to a star in parsecs is:

Distance (in pc) = 1 / Parallax (in arc sec)

Given that the measured parallax is 1/30 of an arc second, we can substitute this value into the formula:

Distance (in pc) = 1 / (1/30) = 30 pc

This gives us the distance to the star in parsecs.

To convert the distance to light years, we use the conversion factor of 3.26 light years per parsec. Multiplying the distance in parsecs by this conversion factor gives us the distance in light years:

Distance (in light years) = 30 pc × 3.26 light years/pc = 97.8 light years

Therefore, the distance to the star is approximately 30 parsecs or 97.8 light years.

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Answer:

A. respiration.

Explanation:

Cellular respiration can be defined as a series of metabolic reactions that typically occur in cells so as to produce energy in the form of adenosine triphosphate (ATP). During cellular respiration, high energy intermediates are created that can then be oxidized to make adenosine triphosphate (ATP). Therefore, the intermediary products are produced at the glycolysis and citric acid cycle stage.

Additionally, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.

Basically, oxygen goes into the body of a living organism such as plants, humans and animals when they breathe while glucose is absorbed by the body when they eat.

Hence, the conversion of sugar to energy in the presence of oxygen is respiration.

Answer:

A. So that you can see if the answer to a problem makes physical sense.

Explanation:

Science can be defined as a branch of intellectual and practical study which systematically observe a body of fact in relation to the structure and behavior of non-living and living organisms (animals, plants and humans) in the natural world through experiments.

An experiment can be defined as an investigation which typically involves the process of manipulating an independent variable (the cause) in order to be able to determine or measure the dependent variable (the effect).

This ultimately implies that, an experiment can be used by scientists to show or demonstrate how a condition causes or gives rise to another i.e cause and effect, influence, behavior, etc in a sample.

Measurements refers to the process which typically involves the process of identifying and determining the dimensions of a physical object. The dimensions include important parameters such as width, height, length, area, volume, circumference etc.

In Science, making rough estimates of physical quantities is useful so that you can see if the answer to a problem makes physical sense.

For example, you could make a rough estimate of a storage tank and deductively determine whether or not it's in tandem with its physical size in reality.

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.

The new payment for the same trip, based on Earth time instead of taxi time, is approximately 11.5 sellers.

According to the problem, the rocket taxi moves at half the speed of light. Let's denote the speed of light as c.

The time dilation formula in special relativity is given by:

\(\(\Delta t' = \frac{\Delta t}{\sqrt{1 - \frac{v^2}{c^2}}}\)\)

Where:

\(\(\Delta t'\)\) is the time measured in the moving frame (rocket taxi)

\(\(\Delta t\)\)is the time measured in the stationary frame (Earth)

v is the velocity of the moving frame (rocket taxi)

c is the speed of light

In this case, the time measured in the taxi frame \((\(\Delta t'\))\) is one hour (60 minutes), and the velocity of the taxi (v) is half the speed of light \((c/2)\). We want to find the time measured in the Earth frame \((\(\Delta t\))\).

Plugging in the given values, we have:

\(\(\Delta t = \Delta t' \times \sqrt{1 - \frac{v^2}{c^2}}\)\)

\(\(\Delta t = 60 \times \sqrt{1 - \frac{(c/2)^2}{c^2}}\)\)

\(\(\Delta t = 60 \times \sqrt{1 - \frac{1}{4}}\)\)

\(\(\Delta t = 60 \times \sqrt{\frac{3}{4}}\)\)

\(\(\Delta t = 60 \times \frac{\sqrt{3}}{2}\)\)

\(\(\Delta t = 30 \sqrt{3}\)\)

Therefore, the time measured on Earth for the one-hour trip in the taxi is \(\(30 \sqrt{3}\)\) minutes.

Now, we need to calculate the new payment based on Earth time. We are given that the original payment for the one-hour trip in taxi time is 10 sellers.

If the taxi drivers' union demands that pay be based on Earth time instead of taxi time, the new payment will be proportional to the ratio of Earth time to taxi time.

\(\(\text{New payment} = \frac{\text{Original payment}}{\text{Taxi time}} \times \text{Earth time}\)\)

\(\(\text{New payment} = \frac{10 \text{ sellers}}{60 \text{ minutes}} \times (30 \sqrt{3} \text{ minutes})\)\)

\(\(\text{New payment} = \frac{10}{60} \times 30 \sqrt{3} \text{ sellers}\)\)

\(\(\text{New payment} = 0.1667 \times 30 \sqrt{3} \text{ sellers}\)\)

\(\(\text{New payment} = 5 \sqrt{3} \text{ sellers}\)\)

\(\(\text{New payment} \approx 8.66 \text{ sellers}\)\)

Rounding to the nearest seller, the new payment for the same trip would be approximately 9 sellers.

Hence, the new payment for the same trip, based on Earth time instead of taxi time, is approximately 11.5 sellers.

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The gyroscope slows from an initial rate of 29.6 rad/s at an angular acceleration of 0.54 rad/s2.

Part (a) How long does it take to come to rest in seconds? t = ?

The angular deceleration is given by the negative value of the angular acceleration; thus:

α = -0.54 rad/s2

The initial velocity is given by the value,

ω1 = 29.6 rad/s.

The final velocity, ω2 = 0 rad/s.

The formula for angular acceleration is:

ω2 = ω1 + αt,

where:

ω1 = 29.6 rad/s

ω2 = 0 rad/s

α = -0.54 rad/s

2t = ?

Substitute the values in the formula above and solve for t.

0 = 29.6 - 0.54tt = 29.6/0.54t = 54.8 seconds

Therefore, it takes 54.8 seconds to come to rest in seconds.

Part (b)The number of revolutions that the gyroscope makes before stopping is given by:

n = (ω1/2π)t,

where:

ω1 = 29.6 rad/s

t = 54.8 s

n = ?

Substitute the values in the formula above and solve for n:

n = (29.6/2π)(54.8) revolutions

n ≈ 277.4

Therefore, the number of revolutions that the gyroscope makes before stopping is approximately 277.4 revolutions.

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20km / 50km/h = 0.4h = 24mins

Answer:

reaction force/normal force (its when the tables kinda pushing from under so it doesnt fall)

and the notebook wont float bc of gravity

Explanation:

theres a quizlet on this if you wanna check it out lol

Answer:

The table surface pushes the notebook from below and prevents it from falling. (This force is called the normal force.) Gravity, or a pull from Earth, keeps the notebook from floating in the air.

Explanation:

Answer: C. (Force = 2, time = 4.5)

Explanation:

J = FΔt

A. J = 5*2

A. J = 10

B. J = 1*8.5

B. J = 8.5

C. J = 2*4.5

C. J = 9

D. J = 3*2

D. J = 6

Answer:

C. (Force = 2, time = 4.5)

The parasympathetic nervous system and sympathetic nervous system are responsible for heart rate increasing and mouth going dry.

This is a part of the peripheral nervous system that regulates involuntary physiologic processes.

It is divided into two parts namely:

They are responsible for involuntary actions which are mentioned above.

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Answer:External forces acting on an object may include friction, gravity, normal force, drag, tension, or a human force due to pushing or pulling. When in a non-inertial reference frame (see coordinate system, below), fictitious forces, such as centrifugal pseudoforce are appropriate.

Explanation:

The velocity and direction of the truck and the car is 3.83 m/s towards the direction the truck.

Velocity is the rate of change of displacement

To  calculate the velocity of the car and the truck after collision, we use the formula below.

Formula:

Where:

Substitute these values into equation 1

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Answer:

a concave lens forms a smaller, real image. { a p e x :)) }

Explanation:

hey, friend! this is the answer, but make sure that, next time, you include the diagram to make it easier for us to help you, okay?

A concave lens forming a larger real or virtual image and Concave mirrors form both real and virtual images. therefore all statements are correct. Therefore these can be interpreted by using Ray diagram.

A ray diagram is a diagram that shows path taken by light in order to see a point on the image of an object. Ray diagram uses lines with arrows to show reflected and incident ray.

A concave lens is a lens that diverges a straight light beam from the source to a diminished, upright, virtual image. It can form both real and virtual images. concave lens has curve on both side. The lens having only one side plane and other is curved inside, the les is called as planoconcave lens.

Concave mirror can form both virtual and real image that depends on the distance between the mirror and object. We get virtual and magnified image When the object is placed very close to the mirror. when distance between the object and mirror is increased, image gets diminished and real.

Both concave lens and mirror form both real and virtual images that's depend on the distance.

Hence all statements are correct.

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Raising the temperature of gas particles increases both collision energy and favor ability of orientation.So option a is correct.

When the temperature of a gas is increased, the kinetic energy of the gas particles also increases. As a result, the particles move faster and collide with each other with greater energy, leading to an increase in collision energy.

Additionally, raising the temperature can also increase the favor ability of orientation. This is because at higher temperatures, molecules have greater thermal energy, and they undergo more rapid and random motion. This increased motion increases the chances of favorable orientations and collisions between reacting molecules, favoring chemical reactions or other specific outcomes.

Therefore, both collision energy and favor ability of orientation are increased when the temperature of gas particles is raised.Therefore option a is correct.

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Answer:

D)

inverted and smaller

If you look through a magnifying glass at an object that is more than one focal length away, the image you see will be upright and larger  than the object. Option A is correct.

When light beams from an object reflect off a mirror, they intersect with the picture of that thing, called an image. Real and virtual images are the two sorts of images.

The image characteristic is described by the descriptive words will be;

1. image type.

2. image orientation.

3. image location.

4. image size.

When you gaze at an item via a magnifying glass that is more than one focal length away, the image you perceive is upright and bigger than the object.

Hence,option A is correct.

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Answer:

ok what is the question

Explanation:

I don't know what the question is

Answer:

yes

no

no

yes

Explanation:

Answer:

2. Ahead of the package

Explanation:

The plane is going straight without stopping while the package is going straight down.

Answer:

animal and plant

Explanation:

1st is animal

mitochondria

cell membrane

nucleus

endoplasmic reticulum

golgi body

plant cell

cell wall

cell membrane

chloroplast

nucleus

vacuole

endoplasmic reticulum

mitochondria

golgi body

The gravitational force does not have a direct effect on horizontal wind motions.

The pressure gradient force, frictional force, and Coriolis force are the three primary forces that influence horizontal wind motions.

The pressure gradient force arises due to differences in air pressure between two locations. It causes air to move from areas of higher pressure to areas of lower pressure, resulting in the development of wind.

The frictional force is exerted by the Earth's surface and acts to slow down the wind near the surface. It influences the wind speed and direction close to the ground.

The Coriolis force, on the other hand, is a result of the Earth's rotation and the tendency of objects to move in curved paths in a rotating reference frame. It acts perpendicular to the wind direction and influences the wind's path, causing deflection to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

While gravity plays a crucial role in maintaining the Earth's atmosphere and other vertical processes, it does not directly impact horizontal wind motions.

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A cement base is usually unnecessary beneath a composite resin restoration because composite resin materials have adhesive properties that allow them to bond directly to the tooth structure.

1. Composite resin is a tooth-colored dental material commonly used for restorations such as fillings, inlays, and onlays.

2. Composite resin materials are composed of a mixture of resin and filler particles, which give them their strength and aesthetic properties.

3. One of the key advantages of composite resin is its ability to bond directly to the tooth structure, creating a strong and durable restoration.

4. The bonding process involves applying an adhesive bonding agent to the tooth surface, which is then cured to create a micromechanical bond between the composite resin and the tooth.

5. This bonding mechanism allows the composite resin to adhere securely to the tooth, creating a tight seal and preventing leakage or microleakage between the restoration and the tooth structure.

6. Additionally, composite resin materials have improved physical properties and wear resistance compared to earlier dental materials, making them suitable for use without a cement base.

7. In contrast, traditional dental materials such as amalgam or glass ionomer cement often require a cement base for retention purposes due to their different properties and mechanisms of retention.

8. The absence of a cement base beneath a composite resin restoration also allows for a more conservative tooth preparation, preserving more of the natural tooth structure.

9. However, it is important to note that in certain cases where the tooth structure is severely compromised or additional support is needed, a cement base or other techniques may be employed in combination with composite resin restorations.

10. Overall, the adhesive properties of composite resin materials eliminate the need for a cement base in most cases, providing a reliable and aesthetic restoration while preserving tooth structure.

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Yes, 1 mL (milliliter) and 1 cc (cubic centimeter) are equivalent units of volume. This means they represent the same amount of volume and are interchangeable.

UNIT CONVERSION: This is the process of converting one unit of measurement to another equivalent unit. In the case of 1 mL and 1 cc, the conversion is simple because they are equal to each other, which makes it easy to convert between the two units.

It is important to understand that units of measurement serve as a standard for measuring quantities such as length, time, mass, and volume. The choice of unit depends on the particular context or application and what is most convenient for the person using it. In some cases, such as in medicine or science, volume is often measured in mL or cc, making unit conversion a crucial tool for accurate and precise measurement.

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Hi there!

This is an example of a recoil collision.

Let m1, v1 be Mary

Let m2, v2 be Jim

Utilize the conservation of momentum:

m1v1 + m2v2 = m1v1' + m2v2'

The initial velocities are zero (at rest), so:

0 = m1v1' + m2v2'

Let east be positive, so Jim recoils with a negative velocity:

0 = m1v1' - m2v2'

Set the two equal and solve:

m1v1' = m2v2'

m1v1'/m2 = v2'

(50)(2.5)/65 = v2' = 1.92 m/s to the WEST