The amount of charge given off by a usb charger is 160 coulombs and the time is taken is 80 seconds. How much current flows through the charger?

Celsius temperature would the gas have a volume half as large -127°C.

Temperature is the measure of hotness or coldness expressed in phrases of any of several scales, consisting of Fahrenheit and Celsius. Temperature suggests the direction wherein warmth energy will spontaneously watt, from a hotter body (one at a higher temperature) to a colder body one at a decrease temperature.

The electrical energy can be categorized into two types primarily based on the character of electrical contemporary go with the flow. the two styles of electrical currents are Direct current Alternating current. consequently, the kinds of electric strength are strength explained beneath.

Initial volume (V1) = 500mL

Initial temperature (T1) = 20°C

                                     = 20 + 273

                                     = 293 k

Final volume (V2) = 500 mL/2

Final temperature (T2) = ?

At constant pressure,

                    V α T

Therefore,

            V1/T1 = V2 /T2

500 mL/293 = (500mL/2)/T2

⇒ T2 = 293 K/2

         = 146.5 K

       = ( 146.5 - 273)

      = -126.5°C

     =  -127°C

Hence, the final temperature of the gas is -127°C

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One false statement about Einstein's General Theory of Relativity (GR) is that it explains the behavior of objects on a quantum level.

While GR provides a mathematical framework for understanding the interactions of gravity on a large scale, it does not account for the behavior of subatomic particles. Another false statement is that GR is incompatible with the theory of quantum mechanics. While the two theories have not yet been fully reconciled, there have been efforts to unify them in theories such as loop quantum gravity and string theory. Finally, it is false to say that GR applies only to objects in space. The theory applies to any object with mass, regardless of its location.
Among the following statements about Einstein's General Theory of Relativity (GR), the false one is that it predicts that time passes at the same rate everywhere in the universe. In reality, GR explains that gravity influences the passage of time, causing it to slow down near massive objects. This phenomenon is known as time dilation. The theory also encompasses the curvature of spacetime caused by mass, gravitational waves, and the expansion of the universe. It's essential to distinguish the false statement to better understand the true implications of GR on our perception of time and gravity.

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The angle of refraction of the ray of light entering the Diamond is 16.8°.

The diamond from the water at an angle of 21.2 degrees to the normal.

According to the law of refraction, the ratio of the sign of the angle of incidence and the angle of refraction of the ray of light is constant.

Sin i/Sin r = n

n is the refractive index of the material in which the light is entering.

The refractive index of the Diamond is 2.42.

Putting all the values,

Sin(21.2°)/Sin(r) = 2.42

0.71/Sin(r) = 2.42

Sin(r) = 0.71/2.42

Sin(r) = 0.29

r = Sin inverse (0.29)

r = 16.86°

So, the angle of refraction is found to be 16.86°.

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Answer:

\(a=0.45\ m/s^2\)

Explanation:

Given that,

The radius of a bend, r = 20 m

Velocity of motorcyclist, v = 3 m/s

The combined mass of motorcyclist and the motorcycle is 50 kg

We need to find the motorcyclist’s centripetal acceleration. The formula used to find the centripetal acceleration is given by :

\(a=\dfrac{v^2}{r}\\\\a=\dfrac{(3)^2}{20}\\\\a=0.45\ m/s^2\)

So, the acceleration of the motorcyclist is \(0.45\ m/s^2\).

The angular speed of the 24 inch tires on a car traveling 60 miles per hour is approximately 439.8 radians per minute.

To determine the angular speed of the tires on a car traveling at 60 miles per hour, we can use the formula:

Angular speed = linear speed / radius

where the linear speed is given in units of distance per unit of time (in this case, miles per hour) and the radius is the distance from the center of the tire to the point where the tire contacts the ground.

First, we need to convert the linear speed from miles per hour to miles per minute, since angular speed is typically measured in radians per unit of time. There are 60 minutes in an hour, so:

Linear speed = 60 miles per hour / 60 minutes per hour

= 1 mile per minute

Next, we need to convert the radius of the tire from inches to miles. Since there are 12 inches in a foot and 5280 feet in a mile, we can convert as follows:

Radius = 24 inches * 1 foot / 12 inches * 1 mile / 5280 feet

= 0.002273 miles

Now we can use the formula to calculate the angular speed:

Angular speed = 1 mile per minute / 0.002273 miles

= 439.8 radians per minute

Therefore, the angular speed of the 24 inch tires on a car traveling 60 miles per hour is approximately 439.8 radians per minute.

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Answer:

the thin steel wall because that wall is so very to fast broke

The distance between the two buses is 48km.

Let us assume that the velocity of the first bus is 36 km/h and that of the second bus is 108 km/h.

To find the distance between them, we will consider that both buses move in opposite directions.

Distance travelled by bus 1 in 20 minutes = 36 km/h × 20 min ÷ 60 min/h = 12 km

Distance travelled by bus 2 in 20 minutes = 108 km/h × 20 min ÷ 60 min/h = 36 km

Total distance between them = distance travelled by bus 1 + distance travelled by bus 2= 12 km + 36 km= 48 km

Therefore, the distance between them in 20 minutes is 48 km.

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Answer:

hope this helps

Explanation:

Of the three phases of matter (gas, liquid, and solid), sound waves travel the slowest through gases, faster through liquids, and fastest through solids

so your answer would be B.

Answer:

1.56 m

Explanation:

First, we need to find the current in the wire, so we will use the following equation:

Where V is the voltage, R is the resistance and I is the current. Replacing the values and solving for I, we get:

So, the current is 0.17 A.

Now, the magnetic field generated by a wire with current I at a distance r is equal to:

Where μ is 4π x 10^(-7). So, replacing the values and solving for r, we get:

Therefore, the distance is 1.56 m

Explanation:

\(net \: force \: = \sqrt{ {6 }^{2} + {3}^{2} + 2 \times 3 \times 6 \cos(90) } = 6.7 N\)

Answer:

The most likely form of precipitation that may occur when the clouds are very grey and the temperature outside is -3°C is snow.

Explanation:

The velocity of the projectile at any time t is v(t) = \(4(7 - t)^3\), the acceleration of the projectile at any time t is a(t) = \(12(7 - t)^2\) and the projectile traveled 2401 meters into the bale of paper.

To find the velocity v of the projectile at any time t, we need to take the derivative of the position function s(t) with respect to time:

v(t) = s'(t)

s(t) = 2401 - (7 - t)^4, we can find v(t) by differentiating:

v(t) = d(s(t))/dt

= d(2401 - \((7 - t)^4)/\)dt

= \(-4(7 - t)^3 * (-1)\\= 4(7 - t)^3\)

To find the velocity of the projectile at t = 1, we can substitute t = 1 into the velocity function:

\(v(1) = 4(7 - 1)^3\\= 4(6)^3\)

= 4(216)

= 864 m/s

The acceleration a of the projectile at any time t is the derivative of the velocity function v(t):

a(t) = v'(t)

Differentiating v(t) =\(4(7 - t)^3\) with respect to t:

a(t) = d(v(t))/dt

\(= d(4(7 - t)^3)/dt\\= -3 * 4(7 - t)^2 * (-1)\\= 12(7 - t)^2\)

To find the acceleration of the projectile at t = 1, we can substitute t = 1 into the acceleration function:

\(a(1) = 12(7 - 1)^2\\= 12(6)^2\)

= 12(36)

\(= 432 m/s^2\)

To find how far into the bale of paper the projectile traveled, we need to evaluate the position function s(t) at t = 7:

s(7) = 2401 -\((7 - 7)^4\)

= 2401 - 0

= 2401 m

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Answer:

the cross section refers to the way in which it is wound, in general to the circle

circle does not depend on what it has inside

Explanation:

A solenoid is a wire wound in general in a circular shape, even when it is not forced, the cross section refers to the way in which it is wound, in general to the circle and is joined to determine the area

          A = π r²

This circle does not depend on what it has inside, that is, it is the same section in the air, in a liquid or with a solid inside,

The position of the mass as a function of time is x(t) = 5 * sin(4t).

To find the position of the mass as a function of time, we can use Newton's second law of motion, which states that the sum of the forces acting on an object is equal to the mass of the object multiplied by its acceleration.

The equation of motion for a mass-spring system is given by:

m * d^2x/dt^2 + k * x = F(t)

Where:

m is the mass connected to the spring,

x is the position of the mass,

t is time,

k is the spring constant,

F(t) is the applied force as a function of time.

In this case, the mass m is 2 kg, the spring constant k is 32 N/m, and the applied force is given by F(t) = 128sin(4t).

Plugging these values into the equation of motion, we get:

2 * d^2x/dt^2 + 32 * x = 128sin(4t)

Rearranging the equation, we have:

d^2x/dt^2 + 16 * x = 64sin(4t)

This is a second-order linear ordinary differential equation with constant coefficients. To solve this equation, we can assume a solution of the form x(t) = A * sin(ωt + φ), where A is the amplitude, ω is the angular frequency, and φ is the phase angle.

Differentiating x(t) twice with respect to time, we have:

dx/dt = A * ω * cos(ωt + φ)

d^2x/dt^2 = -A * ω^2 * sin(ωt + φ)

Substituting these derivatives into the equation of motion, we get:

-A * ω^2 * sin(ωt + φ) + 16 * A * sin(ωt + φ) = 64sin(4t)

Equating the terms with sin(ωt + φ) on both sides, we have:

-A * ω^2 + 16 * A = 64

Simplifying the equation, we get:

16A - Aω^2 = 64

We know that the angular frequency ω is related to the spring constant k and the mass m as ω = √(k/m). Substituting the given values, we have:

ω = √(32 N/m / 2 kg) = √(16) = 4

Plugging ω = 4 into the equation, we get:

16A - 16 = 64

Solving for A, we have:

16A = 80

A = 5

Therefore, the amplitude A is 5.

Now, we can write the position function as:

x(t) = 5 * sin(4t + φ)

To find the phase angle φ, we can use the initial conditions. At t = 0, the spring is initially at rest and hanging at its equilibrium position, which means x(0) = 0.

Plugging this into the position function, we have:

0 = 5 * sin(0 + φ)

Since sin(0) = 0, we get:

0 = 0 + φ

φ = 0

Therefore, the phase angle φ is 0.

Finally, the position of the mass as a function of time is:

x(t) = 5 * sin(4t)

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Answer:

hydrochlorine +12÷B to the power of 4 -× y reapeated zminus 2 to the power of 9

Answer:

hi my Friend

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Explanation:

A radio frequency identification application would most likely interface with an Operational Data Store.

The Operations Data Store (ODS) is a central database that provides the latest data snapshots from multiple transaction systems for operational reporting.

It allows organizations to combine data in its original format from various sources into a single destination to provide business reporting.

ODS contains integrated updates from operational sources and supports business intelligence (BI) tools to facilitate tactical decision making.

For example, an administrator can configure ODS to pull weekly batches of data from a billing application that is rarely updated, importing individual transaction records as they occur in the sales database(thanks to these database triggers), then combine the two into new relational tables.

As a result, querying and reporting on operational data in ODS comes with the assurance that these integrated tables contain the latest and most relevant snapshots of the business.

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Answer:

The Earth's gravity keeps the Moon orbiting us. ... This means gravity makes the Moon accelerate all the time, even though its speed remains constant.

Answer:

Explanation:

Swimming. When you go swimming, your body floats but somewhat sinks as well because we weigh less when we're in the water. We are less dense.

Or taking a bath, the soap sinks to the bottom and the washcloth somewhat floats and sinks because of the air trapped in the middle. But the rest of the washcloth is sinking because it's absorbed the water which makes it denser.

Brainliest??

Answer:

Density=mass/volume

so, volume=mass/density

Question:

1) A tourist accidentally drops a camera from a 50.0 m high bridge. What is the speed of the camera as it hits the water? *

Answer:

28.0 m/s

The expression for the volume charge density of an infinitely long insulating cylinder of radius r is given by:

ρ(r) = ρ₀ / (1 + (r/a)^2)^(3/2) * (1 – (r/b)^2)^(3/2)

where ρ₀, a, and b are positive constants, and r is the distance from the axis of the cylinder. This expression shows that the charge density decreases with increasing radius, as the denominator increases more quickly than the numerator.

Additionally, the constants ρ₀, a, and b all affect the rate at which the charge decreases with increasing radius. The larger the value of ρ₀, the more quickly the charge density decreases with increasing radius, so it is important to choose the correct values for these constants in order to accurately model the charge distribution.

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Answer:

Explanation:

five

Despite their darkness, their lustrous dark fur coat can make them difficult, if not impossible, to spot. Panthers have small heads, powerful jaws, and emerald green eyes. Their hind legs are often larger and slightly longer than their front legs.

The ability to remain undetected is one of the main ways that panthers differ from other big cats. Panthers hunt at night since they are nocturnal.

Therefore, They can blend in with their surroundings thanks to their dark fur, and their keen eyesight and nose make it easier for them to find their prey.

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The answer is option (b) irreflexive, i.e., "is not married to." Therefore, we can conclude that the irreflexive is "is not married to".

Here are two relations: "is married to" and "is not married to." Supposing the universe is the set of all living human beings, which of these is irreflexive.

The irreflexive is "is not married to".What is irreflexive. In Mathematics, a binary relation R over a set X is irreflexive if and only if no element of X is associated with itself under the relation. Symbolically, ∀x ∈ X, ¬(xRx).

For example, the "greater than" relation is irreflexive on the real numbers because no real number is ever greater than itself.

What is a binary relation A binary relation R from a set A to a set B is a subset of the Cartesian product A × B, where A and B are arbitrary sets.In this case, the universe is the set of all living human beings.

Therefore, the relation "is married to" is not irreflexive. However, the relation "is not married to" is irreflexive since no human being is not married to themselves.

Thus, the answer is option (b) irreflexive, i.e., "is not married to."Therefore, we can conclude that the irreflexive is "is not married to".

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The relation "is married to" is reflexive, while the relation "is not married to" is irreflexive. Neither relation is symmetric, asymmetric, or antisymmetric.

The relation "is married to" is an example of a reflexive relation, while the relation "is not married to" is an example of an irreflexive relation.

(a) Reflexive: A relation is reflexive if every element in the set is related to itself. In the case of the relation "is married to," every person in the universe of all living human beings is married to themselves. For example, John is married to John, Mary is married to Mary, and so on. This satisfies the condition of reflexivity.

(b) Irreflexive: A relation is irreflexive if no element in the set is related to itself. In the case of the relation "is not married to," no person in the universe of all living human beings is not married to themselves. This means that everyone is married to themselves, which contradicts the condition of irreflexivity.

The relations "is married to" and "is not married to" are not symmetric, asymmetric, or antisymmetric because they do not satisfy the respective conditions for these properties.

(c) Symmetric: A relation is symmetric if for every element (x, y) in the relation, the element (y, x) is also in the relation. In the case of the relation "is married to," if John is married to Mary, it does not necessarily mean that Mary is married to John. Therefore, the relation is not symmetric.

(d) Asymmetric: A relation is asymmetric if for every element (x, y) in the relation, the element (y, x) is not in the relation. In the case of the relation "is married to," if John is married to Mary, it is not possible for Mary to be married to John. Therefore, the relation is not asymmetric.

(e) Antisymmetric: A relation is antisymmetric if for every element (x, y) in the relation, where x is not equal to y, if (x, y) is in the relation, then (y, x) is not in the relation. In the case of the relation "is married to," if John is married to Mary, it is not possible for Mary to be married to John. Therefore, the relation is antisymmetric.

In summary, the relation "is married to" is reflexive, while the relation "is not married to" is irreflexive. Neither relation is symmetric, asymmetric, or antisymmetric.

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The momentum of the ostrich with mass 163 kg at velocity 14m/s would be 2282 kg·m/s

Momentum is characterized as the intensity of a body's motion. As momentum depends on both velocity and the direction of the body's motion, it is quantified by "mass velocity". Since velocity is a vector and mass is a scalar, momentum is a vector quantity. Mass times speed equals momentum.

p = m*v

= 163*14

= 2482 kgm/s

Although these physical variables are comparable, force and momentum differ from one another. Whether it is a pulling or pushing movement, force is often the outside influence acting on a body. The quantity of motion within a moving body is represented by momentum, on the other hand.

"The motion of an item equal to the product of its mass and its velocity" is referred to as momentum. When we say anything has momentum, we are referring to its precise mass and direction of motion.

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Answer:

V₂ = 23.18 L

Explanation:

Given that,

Initial volume of a balloon, V₁ = 8.5 L

Initial pressure, P₁ = 150 kPa

We need to find new volume when the pressure drops to 55 kPa.

It is based on the concept of Boyle's law. The mathematical form of the Boyle's law is given by :

\(P_1V_1=P_2V_2\\\\V_2=\dfrac{P_1V_1}{P_2}\\\\V_2=\dfrac{150\times 8.5}{55}\\\\=23.18\ L\)

So, the new volume is 23.18 L.

Answer:

energy that is stagnant and cannot be changed

Answer:

Potential energy is a form of mechanical energy in which an object is at rest or it's not moving