How are mass and weight different?

(A) Weight is the amount of matter and mass is the effect of gravity on weight.
(B) Weight is the space an object takes up and mass is the effect of gravity on mass.
(C) Mass is the space an object takes up and weight is the effect of gravity on mass.
(D) Mass is the amount of matter and weight is the effect of gravity on mass.

The magnitude of the force exerted on the 0.02 C point charge in a 400 N/C electric field is 8 N. It is important to note that the force is a vector quantity, meaning it has both magnitude and direction. In this case, the direction of the force would depend on the polarity of the charge and the direction of the electric field.

The magnitude of the force exerted on a point charge in an electric field can be determined using the formula:

F = q * E

Where: F is the force exerted on the charge, q is the magnitude of the charge, and E is the magnitude of the electric field.

In this case, the magnitude of the electric field is given as 400 N/C, and the magnitude of the point charge is 0.02 C.

Substituting these values into the formula, we get:

F = (0.02 C) * (400 N/C)

Calculating this, we find:

F = 8 N

Therefore, the magnitude of the force exerted on the 0.02 C point charge in a 400 N/C electric field is 8 N. It is important to note that the force is a vector quantity, meaning it has both magnitude and direction. In this case, the direction of the force would depend on the polarity of the charge and the direction of the electric field.

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Answer:

False

Explanation:

speed / time = rate

rate * time = distance

Answer:

this is why the larger object has a smaller acceleration

Explanation:

According to Newton’s Second Law, when the same force is applied to two objects of different masses, the object with greater mass will experience a smaller acceleration and the object with less mass will experience a greater acceleration. .

the larger mass will also have a larger weight because of gravity

Odor is not considered a physical property of matter. Physical properties are characteristics or attributes that can be observed or measured without changing the chemical composition of the substance. The correct answer is a. odor.

Odor, on the other hand, is a subjective perception that arises from the interaction of a substance with our olfactory system. While certain physical properties, such as melting point (b), color (c), and flammability (d), can be objectively measured or observed, odor is a sensory experience that varies from person to person and is influenced by individual sensitivity and perception. Therefore, odor is classified as a chemical property, as it relates to the substance's composition and its ability to produce a specific scent. The correct answer is a.

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Answer:

the answer to this question is A globular cluster

An imaginary line or curve representing an electric field is called a "electric field line" and it can be traced from any point along it to determine the direction of the electric field there.

1. Electric field lines with a positive charge at one end and a negative charge at the other

2. The number of field lines that begin or terminate at a charge is inversely correlated with the charge's size.

We may determine the direction of the electric force that will act on a positive charge if it is placed at any given spot by looking at the direction of the electric field line at that location. Since we are aware that a charge would experience a force when placed in an electric field and that force is a vector quantity, it is necessary to describe both its magnitude and its direction. The direction of the electric field in space determines the direction of the electric force acting on a charge. If the charge is negatively charged, an electric force will act on it that is counter to the direction of the point's electric field.

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From the calculation, the activity of the isotope is 70.7 Bq.

We define the term half life as the amount of a radioactive isotope that is left after a given time. It is in fact the time that it takes for only half of the amount of the radioactive isotopes that is in a sample to remain.

Recall that if a substance is radioactive, this implies that the sample is capable of spontaneous disintegration. The amount of the sample that is present tends to diminish in the system as time increases.

Give the fact that;

Ao = initial activity = 100Bq

A = activity after time t = ??

Time taken = 5 minutes

Half life of the isotope = 10 minutes

Now we know that;

A/Ao = (1/2)^t/t1/2

A/100 = (1/2)^5/10

A/100 =  (1/2)^1/2

A =  (1/2)^1/2 * 100

A = 70.7 Bq

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Answer:

1 is false 2 is true 3 is false

Answer:

11 is d. 12 is c. 13 is b. 14 is b. 15 is b.

Explanation:

Answer:

D

Explanation:

Also the capitol of Utah is Salt Lake City

Hope this helps!

Answer:

Utah

Explanation:

The Great Salt Lake, located in the northern part of the U.S. state of Utah, is the largest salt water lake in the Western Hemisphere, and the eighth-largest terminal lake in the world.

Answer:

See below

Explanation:

One rotation is 2 pi R

2 pi / 20 s = .314 R/s     ( or   pi / 10   R/s)

(NOTE: mass of the body is irrelevant)

Answer:

if

Explanation:

weight is the force of gravity on a mass; the force of gravity is

F = G M m/r^2

F is grav force

G is the newtonian gravitational constant = 6.67 x 10^-11 Nm^2/kg^2

M=mass of the earth

m=mass of the object

r= radius of the earth

if the mass of the earth increases by a factor of 6, this will tend to increase the grav force by a factor of 6

if the radius increases by a factor of 5, this will change the grav force by a factor of 1/5^2 = 1/25

the total effect is 6/25 = 0.24; therefore, your weight would be 0.24 * 620N = 149N

The answer is number 2 stomata.

Tardive dyskinesia is a side effect that can occur as a result of long-term use of antipsychotic medications. It is a neurological disorder characterized by involuntary movements of the face, tongue, lips, and other body parts.

The use of antipsychotic medications can result in an imbalance of dopamine in the brain, which can lead to the development of tardive dyskinesia. The symptoms of tardive dyskinesia can range from mild to severe and can be both physically and socially debilitating. Some of the symptoms of tardive dyskinesia include repetitive, involuntary movements of the face, tongue, lips, and jaw, as well as writhing movements of the arms, legs, and trunk.

Tardive dyskinesia can occur in individuals who have been taking antipsychotic medications for a prolonged period of time, usually several months to years. It is more common in older adults and in individuals who are taking high doses of antipsychotic medications. The symptoms of tardive dyskinesia can be distressing and can negatively impact an individual's quality of life. Treatment options for tardive dyskinesia include discontinuing or reducing the use of antipsychotic medications, switching to a different medication, or the use of medications that can help to control the symptoms of tardive dyskinesia.

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The image of the truck formed by the rear-view mirror is smaller and virtual, located in front of the mirror.

To calculate the size of the image relative to the size of the truck formed by the rear-view mirror, we can use the mirror equation:1/f = 1/u + 1/v,

where f is the focal length (radius of curvature) of the mirror, u is the object distance, and v is the image distance.

Given that the radius of curvature of the mirror is 4m and the truck is located 5m from the mirror, we can determine the object distance:

u = -5m (since the object is behind the mirror and its distance is negative)

Substituting these values into the mirror equation, we get:

1/4 = 1/(-5) + 1/v

Simplifying the equation:

1/v = 1/4 + 1/5

1/v = (5 + 4) / (4 * 5)

1/v = 9/20

v = 20/9

Now, we can calculate the size of the image relative to the size of the truck using the magnification formula:

magnification = -v/u

Substituting the values:

magnification = -(20/9) / (-5)

magnification = 4/9

Therefore, the size of the image relative to the size of the truck is 4/9. This means the image formed by the rear-view mirror is smaller than the actual truck.

As for the position and nature of the image, since the image distance (v) is positive, the image is formed on the same side of the mirror as the object. In this case, it means the image is formed in front of the rear-view mirror. The positive image distance also indicates that the image is virtual.

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The primary effect of increasing the surface tension of the liquid is to increase the capillary force. Capillary forces arise due to the combined effects of adhesion and cohesion

When the surface tension of the liquid increases, the capillary rise will increase. It is because the increase in surface tension leads to an increase in the force that pulls the liquid upwards in a tube. is as follows;If you place a capillary tube in a beaker filled with water, the water surface inside the tube rises slightly higher than the level outside the tube.

This rise in water level is called capillary rise. The capillary rise is caused by the attraction between the molecules of the water and the molecules of the glass tube.This attraction is called capillary force or capillary action. The capillary force is due to the combined effect of adhesive and cohesive forces. The adhesive force is the attraction between the molecules of the liquid and the molecules of the solid surface, while the cohesive force is the attraction between the molecules of the liquid.

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Primates rely primarily on vision to negotiate their environment.

As highly adaptable mammals, primates possess a keen sense of sight which enables them to successfully interact with their surroundings. This exceptional visual acuity is mainly due to their well-developed eyes, which allow for excellent color discrimination, depth perception, and the ability to see in low-light conditions.

Primates possess forward-facing eyes, a feature that contributes to the enhancement of their depth perception. This is crucial for tree-dwelling species that must accurately judge distances when jumping between branches or reaching for food. Additionally, the majority of primates have trichromatic vision, meaning they can see and differentiate a wide range of colors. This ability helps them identify ripe fruits and detect potential predators or threats.

Furthermore, primates have a larger brain size in comparison to other mammals, which aids in the processing of visual information. The visual cortex, the part of the brain responsible for processing visual data, is particularly well-developed in primates, enabling them to efficiently interpret and respond to their environment.

In summary, primates rely primarily on vision to navigate and adapt to their surroundings. Their advanced visual capabilities, such as enhanced depth perception, color discrimination, and low-light vision, coupled with a well-developed visual cortex, allow them to successfully interact with their environment and thrive in a variety of habitats.

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The three categories of atomic solids are network covalent, body-centered cubic, and face-centered cubic.

Network Covalent: Network covalent solids are composed of atoms connected by strong covalent bonds in a continuous three-dimensional network. This category includes substances like diamond and quartz. In these solids, each atom is bonded to its neighboring atoms through covalent bonds, forming a strong and rigid structure. Network covalent solids have high melting points and are generally hard and brittle.

Body-Centered Cubic (BCC): Body-centered cubic solids have a crystal structure in which atoms are arranged in a cubic lattice, with an atom located at the center of the cube and additional atoms at each corner. Iron and chromium are examples of metals that exhibit a body-centered cubic structure. BCC metals have relatively high melting points and good mechanical properties due to the close-packed arrangement of atoms.

Face-Centered Cubic (FCC): Face-centered cubic solids also have a cubic lattice structure, but in this case, there is an additional atom located at the center of each face of the cube. Examples of metals with a face-centered cubic structure include aluminum, copper, and gold. FCC metals have similar properties to BCC metals, with high melting points and good mechanical strength.


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Answer:

3200 seconds

Explanation:

If he ran at 3 m/s for 28.5 seconds, he would have run 85.5 meters

29 seconds would be 87 meters run not 9.5 km

The new values of T∥1 and T⊥1 will be equal to the original isotropic temperature T0.

When the magnetic field is doubled slowly compared to a gyroperiod but fast compared to the energy transfer time between T∥ and T⊥, the plasma remains magnetized, but the magnetic field becomes stronger. Since the energy transfer time between T∥ and T⊥ is much longer than the timescale of magnetic field doubling, the temperature anisotropy is not affected during this process. Therefore, T∥1 and T⊥1 remain equal to T0.

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According to the information we can infer that the complete sentence would be: The locking lever should be placed in the "unlocked" position.

To complete the sentence we have to read the available information and look for the term that completes it based in the context. In this case we can infer that the term is "unlocked" because to unlock the fifth wheel, the locking lever needs to be positioned in the "unlocked" position.

The fifth wheel is a coupling mechanism used in heavy-duty trucks and trailers to connect the trailer to the tractor unit. It allows for articulation and provides a pivot point for turning movements.

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The moon orbiting the earth and Gravity pulls skydiver down towards the surface of the earth from an airplane are examples of a non-contact force

Non-contact forces are forces that act between two objects that are not physically touching each other.

That means that there is no contact but there exist force between them .The moon orbiting the earth due to gravitational force between both the bodies , this is a non contact force . Because moon is in not in contact with the earth , still both the bodies are exerting force on each other

Also Gravity pulls skydiver down towards the surface of the earth from an airplane is also an example of non contact force because there is no contact between skydiver and earth , still due to earth's gravitational force , it is been attracted towards the ground

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Answer:

2,500 watts

Explanation:

I got this answer right on a test. I hope it works for you to.

Answer:

2500 wats

Explanation:

The degree to which a metric reproduces the same performance under the same measurement conditions consistently is known as reliability.

Reliability is an important characteristic of any measurement or assessment tool, and it refers to the consistency and stability of the results obtained from that tool. A reliable metric should produce consistent results each time it is used to measure the same thing under the same conditions.

There are various methods to assess reliability, such as test-retest reliability, inter-rater reliability, and internal consistency reliability. These methods help to determine whether the same results are obtained consistently over time, across different raters or observers, or within a single assessment tool.

So, reliability is a critical aspect of any metric or assessment tool, as it ensures that the results obtained are accurate and consistent, which is necessary for making informed decisions and drawing valid conclusions.

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Answer:

5v

Explanation:

W = 10J ;Q = 2C ;V = ?

So,potential between x and y is 5v

Hope it will help you if not so please sorry.

Answer:

are used by geneticists to determine the probability of different offspring genotypes.

Tension of the three cables connecting the  celling, 7 kg ball, 4 kg ball,  5 kg ball respectively 156.8 N,  88.2 N and 49 N.

The force communicated through a rope, string, or wire when two opposing forces draw on it is known as tension. The tension force pulls energy equally on the bodies at the ends and is applied along the entire length of the wire.

Tension of the cable connecting the  celling and 7 kg ball:

= (7 kg + 4 kg + 5Kg) × 9.8 m/s²

= 156.8 N.

Tension of the cable connecting the  7kg ball and 4 kg ball:

= (4 kg + 5Kg) × 9.8 m/s²

= 88.2 N.

Tension of the cable connecting the  4kg ball and 5 kg ball:

= 5Kg× 9.8 m/s²

= 49 N.

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The pasta and pot can be referred to as a Solid while the water is a liquid

when their physical forms are compared.

The pot is usually a metal because of its high heat conductivity and the

pasta is usually made from organic materials such as wheat, starch etc.

The water on the other hand should be colorless and odorless to avoid

ingesting pathogens.

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Answer:

its B

Explanation:

the movement of charged particles in a conductor

Charged particles move through a conductor best describes an Electric current.

A stream of charged particles, such as electrons or ions, traveling through an electrical conductor or a vacuum is known as an electric current.

Charge carriers, which can be any of a number of particle kinds depending on the conductor, are the moving particles. Electrons flowing over a wire are frequently used as charge carriers in electric circuits.

They can be electrons or holes in semiconductors. Ions are the charge carriers in an electrolyte, whereas ions and electrons are the charge carriers in plasma, an ionized gas.

Therefore, Charged particles move through a conductor best describes an Electric current.

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Answer:

30.5m

Explanation:

D = 12+3.5+15

= 30.5m