PHYSICS HIGH SCHOOL

What kinds of bonds can happen between the elements of a compound

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Answer 1
Answer: What kinds of bonds can happen between the elements of a compound?

Covalent and Ionic

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Process of changing a liquid into a gas

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Boiling. The temperature at which a liquid begins to boil is called the boiling point.

Answer:

Evaporation jsut took teST LOL

Explanation:

How does friction slow things down?

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Friction slows things down because the force that is created through the interaction between two objects begins to decrease the acceleration and velocity of the object. Therefore, the object begins to slow down. 
friction slows things down because the tiny rough bumps on all surfaces hook on each other and slow down the object and produce heat

Compare the time taken by the RC car to cover the same distance. Do some go faster or slower?

Answers

There isn;t enough given values to define and determine what is asked. But since
distance = speed / time, time = distance / speed


Calculate the acceleration of a boat that has been cruising at 15 m/s but speeds up to 45 m/s in about 6 seconds. Don’t forget your units, m/s2. In order to calculate the acceleration of the boat we first have to identify the suited formula for acceleration in this scenario. 

Hence, a = vf – vi / t. Vi = 15 m/s Vf = 45 m/s T = 6 seconds   

Solution: 
A = 45 m/s – 15m/s / 6s 
A = 5m/s^2

The shorter the time required to cover the same distance, the greater the speed of the RC car.

Further explanation

Acceleration is rate of change of velocity.

\large {\boxed {a = (v - u)/(t) } }

\large {\boxed {d = (v + u)/(2)~t } }

a = acceleration (m / s²)v = final velocity (m / s)

u = initial velocity (m / s)

t = time taken (s)

d = distance (m)

Let us now tackle the problem!

The formula for finding speed is:

\large {\boxed {v = (s)/(t)} }

v = velocity (m/s)

s = distance (m)

t = time taken (s)

From the formula above, it is clear that speed is inversely proportional to travel time. The shorter the time required to cover the same distance, the greater the speed of the RC car.

For example, let's look at the data in the table in the attachment. RC Car B has the greatest speed

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Answer details

Grade: High School

Subject: Physics

Chapter: Kinematics

Keywords: Velocity , Driver , Car , Deceleration , Acceleration , Obstacle , Speed , Time , Rate

A plane leaves the airport in Galisteo and flies 170 km at 68.0° east of north; then it changes direction to fly 230 km at 36.0° south of east, after which it makes an immediate emergency landing in a pasture. When the airport sends out a rescue crew, in which direction and how far should this crew fly to go directly to this plane?

Answers

Answer:

The direction will be 84.86^\circ and the distance 250.75km.

Explanation:

Let's say A is the displacement vector which represents the first 170km and B the one for the next 230km. Then the components of these vector will be:

A_x=170cos(68^(\circ))\n A_y=170sin(68^\circ)\n\nB_x=230cos(-36^\circ)\nB_y=230sin(-36^\circ)

The vector which point from the origin to the final position of the plane will be R=A+B. We sum components on x and y independetly (vector property):

R_x=A_x+B_x=170cos(68^(\circ))+230cos(-36^\circ)=63.68km+186.07km=249.75km

R_y=A_y+B_y=170sin(68^\circ)+230sin(-36^\circ)=157.62km-135.19km=22.43km

If \theta is the direction of R then:

tan(\theta )=(R_x)/(R_y) ⇒ \theta = arctan((R_x)/(R_y)) ⇒ \theta = 84.86^\circ.

The distance will be given by the magnitud of the vector R:

R=√(R_x^2 + R_y^2) ⇒ R=√(R_x^2 + R_y^2) = 250.75.

Explain how technology and science are related

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When you're playing Angry Birds on your smart phone, you likely don't realize how important science is to what you're doing. As the birds catapult through the air, science is probably the last thing on your mind. Aside from the physics involved in sending feathered projectiles flying through the air, there's a far deeper connection between science and playing your favorite games. That's because all technology, from smart phones to medical scanners to cars, are intimately connected with science. Without science, they wouldn't exist.

Science is the study of the natural world by collecting data through a systematic process called the scientific method. And technology is where we apply science to create devices that can solve problems and do tasks. Technology is literally the application of science. So it really is impossible to separate the two. In this lesson, we're going to go into a little bit more detail about how science and technology are related, including some examples.

Answer:( Related to the weather)

dressing for the forecast. seeing a flag blow. preparing for a hurricane. (Related to Technology) turning on the lights. riding in a car or bus. downloading a song.

Explanation:

Hey tiger has a mass of 34 KG and runs with a speed of 8.5 m/s what is the Connecticut Energy of the tiger?

Answers

The Tiger has a mass of 34 Kg and runs with a speed of 8.5 m/s, the Connecticut Energy of the tiger 289 Kg m/s.

What is meant by Momentum?

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

Mathematically, the momentum of an object is given as;

P = mv

where;

m is the mass of the object

v is the velocity of the object

The principle of conservation of linear momentum states that the total momentum of an isolated system is always conserved.

That is the sum of initial momentum of the system is equal to the sum of the final momentum of the system.

Mass of tiger , m = 34 kg .

Velocity of tiger , v = 8.5 m/s .

Substituting the above values in given formula,

P = mv

= 34 × 8.5

= 289 Kg m/s.

The Connecticut Energy of the tiger 289 Kg m/s.

Learn more about Momentum,

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Answer:

The kinetic energy of the tiger is 1228.25 J.

Explanation:

KE=1/2m*v^2

m=34

v=8.5

KE=1/2*34*8.5^2

KE=17*72.25

KE=1228.25 J
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