A gold coin has a mass of 27grams and a volume of 1.5cubic centimeters. Calculate its density. Write your answer as a whole number. grams per cubic centimeter

the acceleration of the more massive box is = F/3M.

This equation a = v/t denotes acceleration (a), which is the velocity that changes (v) over the time period (t).

The three main types of accelerated motions are uniform acceleration, quasi acceleration, and average acceleration.The motion in which an item moves inside a straight line while increasing in velocity at regular intervals is referred to as uniform acceleration.

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Hi there!

Recall the following relationship between the electric field and electrical potential:
\(E = -\frac{dV}{dx}\)

Begin by taking the derivative of the electric potential function using basic power and constant rules.

Remember:
\(\frac{dy}{dx}x^n = nx^{n - 1}\)

\(\frac{dy}{dx}(C) = 0\)

Differentiate the function, and take its negative.

\(-\frac{dV}{dx} = -(2(1)(x^{1-1}) + 0 )\\\\-\frac{dV}{dx} = -2\)

The magnitude is the absolute value, so:
\(|\frac{dV}{dx} = |-2| = \boxed{2 \frac{V}{m}}\)

friction is the force that resists the sliding or rolling of an object over another.

Answer:

532063

Explanation:

If he's shooting 333 arrows per shot and has 177177177 arrows, you need to divide to find the number of arrows he can shoot total, ignoring the decimal since you can't shoot a partial arrow.

177177177/333=532063

Answer:

impulse = change in linear momentum

3.75kgm/s

Explanation:

initial momentum is 0 because at the start golf ball is at rest

and our final momentum 0.050kg × 75m/s = 3.75kgm/s

momentum final - momentum initial

3.75kgm/s  -  0

3.75kgm/s

The mass of the planet is  5.98 × 10^24 kg.

To calculate the mass of the planet, we can use Kepler's Third Law of Planetary Motion. This law states that the square of the period of revolution of a planet around the sun is directly proportional to the cube of the semi-major axis of its orbit.

First, we need to convert the period of the satellite's orbit to seconds. We know that there are 60 minutes in an hour, so the period can be expressed as (6 × 60 + 12) minutes, which equals 372 minutes. Multiplying this by 60 seconds, we get a period of 22,320 seconds.

Next, we need to find the semi-major axis of the orbit. In a circular orbit, the semi-major axis is equal to the radius of the orbit. Therefore, the semi-major axis is 8.8 × 10^6 m.

Now, we can apply Kepler's Third Law to calculate the mass of the planet. The formula is T^2 = (4π^2/GM) × a^3, where T is the period of revolution, G is the gravitational constant, M is the mass of the planet, and a is the semi-major axis of the orbit.

Rearranging the formula, we can solve for the mass of the planet:
M = (4π^2/G) × a^3 / T^2

Plugging in the values, we get:
M = (4 × π^2 / 6.67430 × 10^-11) × (8.8 × 10^6)^3 / (22,320)^2

Evaluating this expression, we find that the mass of the planet is approximately 5.98 × 10^24 kg.

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Explanation:

No matter where you are in the universe, your mass is always the same: mass is a measure of the amount of matter which makes up an object. Weight, however, changes because it is a measure of the force between an object and body on which an object resides (whether that body is the Earth, the Moon, Mars, et cetera).

Explanation:

Hence, weight of a body will change from one place to another place because the value of g is different in different places. For example, the value of g on moon is 1/6 times of the value of g on earth. As mass is independent of g , so it will not change from place to place.

Answer:

match what lol ?

Answer: Match what?

I love your profile pic.

Explanation:

The moment of inertia (I) will changes and net torque (Tnet) will also change, while the angular acceleration (a) remains constant.

The formula for net torque acting on an object is given as;

T(net) = Ia

where;

The  moment of inertia of an object is given as;

I ∝ MR²

where;

So mass, M changes, the moment of inertia (I) changes and net torque will also change, while the angular acceleration remains constant.

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The density of water is approximately 1 g/cm^3. Therefore, the volume of 2800 g of water would be 2800 cm^3 because density is mass/volume, and so volume is mass/density.

Since this volume is inside a cubic box, the length of each side of the cube (a, for instance) could be found by taking the cubic root of the volume. This is because the volume of a cube is calculated by a^3 (length of one side cubed). Hence, a = cube root of 2800 cm^3 ≈ 14.1 cm.

Converting centimeters to meters (as 1 meter is equal to 100 centimeters), we get approximately 0.141 meters.

So the filled cubic box has a side length of approximately 0.141 m.

Answer:

write something like after the spacecraft launched all of the potential energy transformed into kinetic energy causing the spacecraft to go at an abnormal spped.

Explanation:

The net force on particle q₁ is 9.22 × 10^-13 N, and it points to the left.

The net force on particle q₁ due to particles q2 and q3 can be found using Coulomb's law.

Coulomb's law states that the force between two charged particles is given as

F= k * (q₁ * q₂) / r^2

Since q₁ and q₂ have the same charge, the force between them is repulsive, i.e., it points to the left. Using Coulomb's law, we can find the magnitude of this force:

F₁₂ = k * (q₁ * q₂) / r₁₂^2

F₁₂ = (9 × 10^9 Nm^2/C^2) * (-2.35 × 10^-6 C)^2 / (0.100 m)^2

F₁₂ = -4.61 × 10^-13 N

Here,  the force between q₁ and q₂ points to the left, and its magnitude is 4.61 × 10^-13 N.

The  force between q₂ and q₃ also points to the left, and its magnitude is given as

F₂₃ = k * (q₂ * q₃) / r₂₃^2

F₂₃ = (9 × 10^9 Nm^2/C^2) * (-2.35 × 10^-6 C)^2 / (0.100 m)^2

F₂₃ = -4.61 × 10^-13 N

Here,  the force between q₂ and q₃ also points to the left, and its magnitude is 4.61 × 10^-13 N.

F_net = -F₁₂ - F₂₃

F_net = -(-4.61 × 10^-13 N) - (-4.61 × 10^-13 N)

F_net = 9.22 × 10^-13 N

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Answer:

Q = 58.8 nC

Explanation:

For distance just above the surface of the spherical shell and higher, electric field of the shell can be considered as the electric field generated by a charge Q at the center of the spherical shell:

To calculate the net charge within the sphere's surface you use the following formula:

\(E=k\frac{Q}{R^2}\)         (1)

Q: net charge of the spherical shell

R: radius of the sphere = 0.770m

E: magnitude of the electric field for points just above the sphere's surface = 892N/C

k: Coulomb's constant = 8.98*10^9 Nm^2/C^2

You solve the equation (1) for Q and replace the values of the other parameters:

\(Q=\frac{R^2E}{k}=\frac{(0.770m)^2(892N/C)}{8.98*10^9Nm^2/C^2}\\\\Q=5.88*10^{-8}C=58.8nC\)

The net charge within the sphere's surface is 58.8nC

Answer:

It is A. Light blue

_____________

Hope this helps!

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Option C. The heat absorbed or lost by a substance while it's changing state  correctly describes latent heat

Latent heat is the heat absorbed or lost by a substance while it is changing state.

The latent heat is a type of heat that is transferred during phase change, i.e., while a substance undergoes a change of state.

For example, when ice melts into liquid water, or when liquid water evaporates into water vapor, heat is absorbed from the surroundings.

Latent heat is not associated with a temperature change; rather, it's associated with a change of state.

For instance, the temperature of water remains at 100°C while boiling.

When water is boiling, the latent heat of vaporization is absorbed and utilized to break the hydrogen bonds holding water molecules together to change water from the liquid phase to the gaseous phase.

When the water is boiling, adding more heat won't increase the water's temperature, instead, the extra heat will be absorbed to change the phase of water molecules.

Therefore, the correct answer to the given question is option C: The heat absorbed or lost by a substance while it is changing state.

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If a third resistor is added in SERIES, what changes happens to the....

When you add a third resistor in series, the total resistance of the circuit increases. This is because the current has to flow through all three resistors, so it has to overcome more resistance. The total voltage across the circuit stays the same, because the voltage of the battery is constant. However, the current decreases, because the same amount of current is now flowing through a larger resistance.

The voltage across each resistor also decreases, because the total voltage is divided among the three resistors. The current through each resistor also decreases, because the same current is now flowing through a larger resistance.

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Answer:    Vf = Vi + A(t)

Vf= -2+ (-9.8)(5)

Vf = -51 m/s

Explanation:

The final velocity is equal to the initial velocity plus the acceleration multiplied by the time

(-9.8) is used for the acceleration for this question because that is the speed at which things in free fall accelerate when they are on earth

-2 is used as the initial velocity because the ball was thrown in the negative direction which is down.

The time of 5 was given in the question so you can plug it in for time

Answer:

Explanation:

Given:

V₀ = 2 m/s

g = 9.8 m/s²

t = 5 s

____________

V - ?

Axis OX direct vertically down. Then:

V = Vₓ = V₀ₓ + g·t

V = 2 + 9.8*5 = 51 m

The acceleration of the given car is 4 m/s² on the Right hand side.

Velocity can be defined as the rate at which something moves in a specific direction.

As the speed of a car driving north on a highway or the pace at which a rocket takes off. Because the velocity vector is scalar, its absolute value magnitude will always equal the motion's speed.

Based on the information, one could use the following formula to compute the magnitude of acceleration in this case:

\($a=\frac{V_f-V_i}{t}$$\)

Given:

initial velocity (u): 2m/s

Final velocity (v): 12m/s

Time taken : 2.5 second

we know that,

V = u + at

after putting all the values, we get

a = 4 m/s²

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3.2 seconds

Explanation

Step 1

convert all measures in m.s.k system

so

Step 2

now, to figure out this we need to use the free fall formula:

hence, replace

Now, let's solve for t

therefore, the answer is

3.2 seconds

I hope this helps you

Answer: P=30W

Explanation:

formula is p=w/t

p = power

w = work

t = elapsed time

input variables, solve then simplify.

The power of a lift that transfers 450 J of energy in 15 seconds is 30 watts.

Power is defined as the rate of doing work, i.e. the amount of work done per unit time.

Mathematically, it can be represented as follows:

Power = Work done / time taken

Therefore, the power of a lift that transfers 450 J of energy in 15 seconds can be calculated as follows:

Power = Work done / time taken= 450 J / 15 s= 30 W

Therefore, the power of the lift is 30 watts.

To explain further, we know that power is measured in watts (W), and it is the rate at which work is done or energy is transferred.

Here, we are given that the lift transfers 450 J of energy in 15 seconds.

We can find the power of the lift by dividing the amount of work done by the time taken to do it. By substituting the given values, we get the power of the lift as 30 W.

In simple terms, this means that the lift can transfer energy at a rate of 30 joules per second. This can also be interpreted as the lift can do 30 joules of work in one second.

Hence, we can conclude that the power of the lift is 30 watts.

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The correct answer is option D, which specifies that while putting out a fire in stacked and piled materials, use hooks or pike poles to pull the materials apart prior to dousing the area.

Putting out the fire with Class A foam or water until it has fully died down. In physics, a force is a factor that has the potential to change an object's trajectory. In reaction to a force, a mass-containing object can accelerate or modify its velocity by, for instance, moving away from rest. Force can logically be described as pushing or pulling. A force has both magnitude and direction, making it a vector quantity. Using the SI system, it is written as a newton (N). There is material in all things.

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Correct answer:- (d)  use hooks or pike poles to break apart material.

When attacking the fire in stacked and piled materials, use hooks or pike poles to break apart material, then apply water or Class A foam until extinguished.

A mixture of artificial stabilizers, foaming agents, fluorochemicals, and synthetic polymers are used to create alcohol-resistant (AR) foam, which is intended for use with polar solvents. These foams are resistant to being destroyed by polar solvents due to their chemical composition.

The very effective foam known as aqueous film-forming foam (AFFF, or alcohol-resistant AR-AFFF) is used to put out high-hazard liquid fires.

Class A: Consists of common combustibles like rubber, paper, wood, and plastic. Pressurized water, foam, or multipurpose dry chemicals are the most often used extinguishing agents.

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Explanation:

formula for force is:

force=mass × acceleration

but in case of friction

force =coefficient of friction × Normal Reaction

F. = u × R

U = F/R

but when placed horizontally

R= M×G

M=mass=60kg

G=Gravity(10m/s or 9.8m/s)

F=140N

U=140/60×10

U=140/600

U=0.2333333333

approximately to 3 significant figures

U=0.233

if i am correct rate it 5 star

The average acceleration of the motorcycle over the given distance is approximately 9.39 m/s².

To calculate the average acceleration of the motorcycle, we can use the formula:

Average acceleration = (final velocity - initial velocity) / time

First, let's convert the final velocity from km/h to m/s since the distance is given in meters. We know that 1 km/h is equal to 0.2778 m/s.

Converting the final velocity:

Final velocity = 78 km/h * 0.2778 m/s = 21.67 m/s

Since the motorcycle starts from rest (initial velocity is zero), the formula becomes:

Average acceleration = (21.67 m/s - 0 m/s) / time

To find the time taken to reach this velocity, we need to use the formula for average speed:

Average speed = total distance/time

Rearranging the formula:

time = total distance / average speed

Plugging in the values:

time = 50 m / 21.67 m/s ≈ 2.31 seconds

Now we can calculate the average acceleration:

Average acceleration = (21.67 m/s - 0 m/s) / 2.31 s ≈ 9.39 m/s²

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Pipe of constant radius, we can use Bernoulli's equation, which relates the pressure, velocity, and height of a fluid at two points in a flow system.the pressure of water in the pipe is approximately 105,142 Pa.

System refers to a collection of related components or parts that work together to achieve a specific goal or purpose. The concept of a system can be applied to a wide range of fields and disciplines, including science, engineering, economics, and social sciences.

In science, a system is often defined as a portion of the universe that is being studied or analyzed. This can include anything from a single atom or molecule to an entire ecosystem or planet. By defining the boundaries of a system, scientists can focus their attention on understanding the interactions and relationships between the various components within that system.

In engineering, a system refers to a collection of components that are designed to work together to perform a specific function or task. This can include everything from simple mechanical systems like gears and pulleys to complex electrical or computer systems.

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Explanation:

do you understand it now

Answer:

Magnetic Field

Explanation:

Answer:

Magnetic field

Explanation:

Answer:

A , power

Explanation:

Hope this is useful. Have a lovely rest of your day! God bless you.