According to current scientific estimates, when did the big bang occur?.

To Find: Diameter of soap bubble =? Solution: By Laplace's law of spherical membrane for a bubble. (Pi– Po) = 4T / r.

Answer:

I guess answer is 10m/s.

Explanation:

Kinetic Energy=1/2 mv^2

or,2000J=1/2×10kg×v^2

or2000J=5kg.v^2

or,2000J/5kg=v^2

or,100J/kg=v^2

or,v=10m/s

Answer:

4 kg m/s

Explanation:

When finding momentum after a collision, you can just add the momentums together, this would be 10 kgm/s -6 kgm/s to get 4 kgm/s

The total momentum of the carts after the collision is 4 kgm/s.

The momentum of an object is the product of mass and velocity of the object.

P = mv

The total momentum of the carts is calculated as follows;

P = P₁ + P₂

P = -6 + 10

P = 4 kgm/s

Thus, the total momentum of the carts after the collision is 4 kgm/s.

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Thrust acceleration is the  application of  great pressure to the accelerator to increase speed.

Thrust acceleration

Generally,greater pressure is applied to the accelerator it is obvious that the driver of the system is making an attempt to increase speed of the system for a specific time frame

Therefore, when greater pressure is applied to the accelerator to increase speed it is refereed to as thrust acceleration.

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Answer:

23 electrons

Explanation:

i just know because im a god

Answer:

A unit of pressure equal to the air pressure at sea levels is called 1atm. • 1atm = 760mmHg at 0°Celsius under the standard gravitational force or you can say standard gravity. • 1atm is also equal to 14.7 pounds per sq. Inch ( 1.01325 × 105 pascals )

Explanation:

Please Mark as BRAINLIEST

Answer:

Answer:

This week in class, we’re reading "The Water of Life" by Howard Pyle.

In Howard Pyle’s “The Water of Life”, a king abuses his power by asking a faithful servant to complete difficult tasks for him, hoping to win the love of a princess.

As we read, we will be discussing the themes of Morality, Power & Greed, and Resilience & Success as they relate to the text. We are trying to answer these big questions :

"What is good and how do we know?", "Why do people succeed?", and "How does power corrupt?"

Explanation:

Answer:

Explanation:

It is not exactly a physics question...

The story "The Water Of Life" is about a king and his faithful servant.

The servant worn an armlet on his arm.

The following words were written on the armlet: Who thinks to wear me on an arm, must lack both guile and thought of harm."

That writing further develops the story as it reflects on the king's sending his servant to help a princess who was upset after her bird died.  The story's theme is about power, greed and resilience.

By dividing the moments around the y-axis and around the x-axis,

respectively, by the total mass, the x- and y-coordinates of the centre of

mass may be determined.

formula's:

Elastic force is the type of force which the catapult applies to the stone.

This is a launching device which is composed of rubber and used in the study of projectile motion.

The type of force present in a rubber is elastic force which is applied as a result of pressure on it when the individual launches the stone towards the required target.

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The catapult applies elastic force to the stone which is converted to kinetic energy of the flying stone.

Elastic potential energy is the type of energy that is stored in an elastic material.

The catapult is an elastic material that converts elastic energy into kinetic energy of flying stone.

Thus, the catapult applies elastic force to the stone which is converted to kinetic energy of the flying stone.

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The personality traits extraversion and openness are are categorized as Energy because their mental energy is typically directed action and creativity.

Personality traits refers to characters and attitudes that describes an individual.

Many researchers believe there are five key personality traits:

The personality traits extraversion and openness are are categorized as Energy because their mental energy is typically directed action and creativity.

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Answer:

distance of object from mirror=distance of image from mirror

so distance between object and image=distance of object from mirror+distance of image from mirror

=2 x distance of object from mirror

=2 x (3+0.4)m

=2 x (3.4)m

=6.8 m

Explanation:

hope this helps :)

Answer:

The two most common advantages of the ring system are as follows:

- Voltage drop across the circuit is less or negligible when compared with the tree system.

- More appliances can be connected across the circuits as the supply is radially distributed across the space

We have that the  advantages of ring system wiring is given as

Question Parameters:

Generally, A ring system wiring is  wiring method where we see the sockets and distribution outlets to be connected in a ring-like manner.

We have that its advantage are

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From the given graph of position v/s time, the velocity can be determined by calculating the slope of the linear curve. The slope of the line is  4 m/s.

Velocity of an object is the measure of the distance it travelled per unit time. Velocity is a vector quantity having magnitude and direction. It has the common unit of m/s.

Velocity is the ratio of change in distance to the change in time. Hence, let Δx be the distance and Δt be the time change.Then velocity is :

v =  Δx / Δt .

In the given graph the distance covered within 2 seconds is 8 m. Then the velocity is :

v = 8/2 = 4 m/s.

It is the slope of the linear curve in the graph. Therefore, the velocity of the object is 4 m/s.

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Answer:

From the given graph of position v/s time, the velocity can be determined by calculating the slope of the linear curve. The slope of the line is  4 m/s.

Explanation:

it is right

Explanation:

the intersection behavior

The heat capacity depends is the heat absorbed by the calorimeter as

the temperature changes.

Response:

Mass of the vessel. m₁ = 200 gram

Temperature of the water, T₁  = 24°C

Mass of the warm water, m₂ = 112 grams

Temperature of the warm water, T₂ = 42°C

Resultant temperature of the water, T₃ = 30°C

The heat capacity of the water = 4.184 J·Kg⁻¹·K⁻¹

Let C represent the thermal capacity of the calorimeter

We have;

Change in heat, ΔH = m·c·ΔT

Therefore;

112 × 4.184 × (42 - 30) = 200 × 4.184 × (30 - 24) + C×(30 - 24)

5623.296 = 5020.8 + 6·C

6·C = 5623.296 - 5020.8 = 602.496

[tex]The \ heat \ capacity \ of \ the \ calorimeter, \ C = \dfrac{602.496}{6} = \mathbf{ 100.416}[/tex]

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Answer:

B. glasses, prism, and passing through water

Explanation:

*Note:- When light is bounced back it is called reflection.

[tex]\red{ \rule{35pt}{2pt}} \orange{ \rule{35pt}{2pt}} \color{yellow}{ \rule{35pt} {2pt}} \green{ \rule{35pt} {2pt}} \blue{ \rule{35pt} {2pt}} \purple{ \rule{35pt} {2pt}}[/tex]

Which group of objects refract light energy?

Answer:

sulphite is what equation

Explanation:

gas

liquid

solid

aqueous

Answer:

108 N

Explanation:

F = ma

F = (90kg)(1.2m/s^2)

F = 108 N

Answer: Epidermis tissue.

Explanation: Layer of cells covering surface of entire plant, what it does is Acts as a barrier to fungi and other microorganisms and pathogens. the thin layer because it Allow for light to pass through, thereby allowing for photosynthesis in the tissues below

Answer:

i think it A sorry if i get it wrong but it should be A

Explanation:

Answer:

In 250 BC, Eratosthenes measured the circumference to be about 24,500 miles:

by this method, 12 deg = 12 / 360 = 1/30 of the planet's surface\

30 * 500 km = 15,000 km in circumference, about 9,200 miles

Energy is being produced in two different ways.

1st. when you run, exercise, etc allot of energy is being produced from your body in form of heat.

2nd. energy which is in form of coal, electricity, gas etc.

Definition: the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and work—i.e., energy in the process of transfer from one body to another.

hope this helps you

have a great day :)

Explanation:

Hi there!

Mass of the container (m) = 15000 kg

Also from the figure;

Volume of the container (V) = l*b*h

{ From figure length = 2m , breadth = 1.1m, height = 2.5m}

So,

V = (2*1.1*2.5) m³

= 5.5m³

Then;

Density (d) = m/v

= 15000/5.5

= 2727.27 kgm³

Therefore, the density is 2727.27 kgm³.

Hope it helps!

Answer:

360 degrees is one full rotation starting at zero

it take 2 s  to the flag to rotate once in a full circle  with 3 rad/s of angular velocity.

Angular velocity is "rate of change of angular displacement with respect to time". i.e. ω= dθ/dt. it is also defined as angular displacement over time. i.e. ω = angular displacement/Time.

Angular velocity shows how much angle can be covered in unit time. It's SI unit rad/s.

Angular acceleration is rate of change of Angular velocity with respect to time.

i.e. α = dω/dt if an object changes its angular velocity in short time, we can say that it has greater angular acceleration. It is expressed in rad/s².

In this problem we have to calculate time, but the angular velocity id not given.

Consider the angular velocity is 3 rad/s.

Given,

Angular displacement θ = 2π

angular velocity ω = 3 rad/s

Time t = ?

Time = θ/ω

Time = 2π/3 rad/s = 2 s

Hence the answer is 2s.

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The uncertainty in the position of the proton is 1.1 x 10⁻¹³ m.

The velocity of the proton is calculated as follows;

[tex]v = \frac{1}{10} \times 3\times 10^8 \ m/s = 3 \times 10^7 \ m/s[/tex]

precision of the velocity, Δv = 0.01 x 3 x 10⁷ = 3 x 10⁵ m/s

The uncertainty in the position of the proton is calculated as follows;

[tex]\Delta xm\Delta v= \frac{h}{4\pi} \\\\\Delta x = \frac{h}{4\pi m\Delta v} \\\\\Delta x = \frac{6.67 \times 10^{-34} }{4\pi \times 1.67 \times 10^{-27} \times 3\times 10^5} \\\\\Delta x = 1.1 \times 10^{-13} \ m[/tex]

Thus, the uncertainty in the position of the proton is 1.1 x 10⁻¹³ m.

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Answer:

the car

Explanation:

Answer:

5km

Explanation:

Just helping

If 50km divided by 10hrs =5

Sorry if I'm wrong but that's what I got

Answer:

and became negativity charged

Explanation:

this is because it has an extra electron and does not maintain extet or duplet structure

The speed of the object falling freely from rest for the given distance is 50.09m/s.

Given the data in the question:

A free fall is simply any motion of a body where gravity is the sole influence.

From the third equation of motion;

[tex]v^2 = u^2 + 2gh[/tex]

Where v is final velocity, u is initial velocity, h is height and g is acceleration due to gravity ( [tex]g = 9.8m/s^2[/tex] ).

To determine the speed of the falling object, we input our values into the expression.

[tex]v^2 = u^2 + 2gh\\\\v^2 = (0)^2 + [ 2 * 9.8m/s^2 * 128m ]\\\\v^2 = 2 * 9.8m/s^2 * 128m\\\\v^2 = 2508.8m^2/s^2\\\\v = \sqrt{2508.8m^2/s^2} \\\\v = 50.09m/s[/tex]

Therefore, the speed of the object falling freely from rest for the given distance is 50.09m/s.

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