Which of the following phases changes at point B on the diagram shown below?

A)deposition
B)freezing
C)melting
D)boiling

Answer:

True

Explanation:

A convex lens can produce a real image, but not a viral image

Answer:

Explanation:

Special problems: Rural areas can be twice as dangerous as their city counterparts. ... Two common effects of driving on open highways are velocitation and ... Avoid speeding on rural roads or after you exit the freeway by checking your ... for a long period of time, be aware of a condition known as "highway hypnosis".

Driving on wide highways frequently results in velocitation and tiredness. The phenomena of accidentally raising speed on roads as a result of repeated exposure to greater speeds is known as velocitation.

It happens when drivers become acclimated to the faster speeds and may unintentionally go over the speed limit, endangering their safety.

Another frequent impact is fatigue, which can occur as a result of extended lengths of repetitive driving on wide-open highways. Fatigue can make it difficult to focus, respond quickly, and make decisions, which makes accidents more likely.

Despite the fact that highway hypnosis and visual effects can also happen when driving, open roads are uniquely linked to velocitation and weariness.

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Answer:

Rolling Friction

Explanation:

But only write rolling on the blank space

Answer:I miss her

Explanation:

Answer: Decreased risk of heart attack

Explanation:

thats the answer because it actually

increase rish of heart attack

Hope this helps :)

Answer:

the answer is C. It wont decrease your probability of a heart attack it will increase it

Explanation:

Answer:

D 15m/s

Explanation:

1)you find the speed covered in all the points e.g on speed=distance covered

time taken

a)300m\15s=20m/s

b)rest no distance covered

c)(1000-300)=700m time=(60-35)=25. 700m/25s=28m/s

d)(1200-1000)=300m time=(80-60)=20s

200m/20s=10m/s

thus the lowest speed was 10m/s at D

Average speed=average distance

average time

=1200m/80s. =15m/s

Answer:

Mass of object (m) = 5.102 kg

Explanation:

Given:

Horizontal Force (F) = 50 N

Find:

Mass of object (m) = ?

Computation:

We know that, acceleration due to gravity (g) = 9.8 m/s²

⇒ Horizontal Force (F) = mg

⇒ 50 N = m (9.8 m/s²)

⇒ Mass of object (m) =  50 / 9.8

⇒ Mass of object (m) = 5.102 kg

Mass of object (m) is 5.1 kg (Approx)

Answer:

Hey mate, here's ur answer

-------------------------------------------------------------

Loudness refers to how a sound seems to a listener, whether it's loud or soft.  

___________________________

Intensity is the sound power per unit area. It is independent of the sensitivity of the human ears.

___________________________

The loudness of a sound relates the intensity of any given sound to the intensity at the threshold of hearing. It is measured in decibels (dB).

___________________________

Hope this helps

#stayhomestaysafemate

:D

Answer: 5cm

Explanation:

Given the following :

Image height = 18cm

Object height = 10cm

u = object distance

v = image distance = 9 cm

Using the relation:

image height/object height= v/u

18/10 = 9/u

Cross multiply

18 × u = 10 × 9

18u = 90

u = 90/18

u = 5cm

Therefore,

Object distance from mirror = 5cm

Answer:

5 cm

Explanation:

correct on edge 2020/2021

Answer: D:

A periodic disturbance of a medium

Explanation:

A wave can be Mathematically defined by periodic disturbance of a medium. That is, oscillations of the waves about a fixed position or change in position from the resting equilibrium position. The wave oscillate from equilibrium position with amplitude periodically.

Answer:

thrity-two degrees Celsius

Answer:

True

Explanation:

Side affects can range from

Problems with periods to Loss of breasts

Answer:

Radio active waves

Explanation:

It transmits it by invisible waves to connect to internet or to use wireless headphones or wireless charger.

Explanation:

Action and reaction are two forces that are equal in magnitude but the direction is opposite.

When a dog walks along the ground, the action force is the force that dog applies on the ground. On the other hand, the reaction force is the force that the ground applies on the dog. It is based on Newton's third law of motion.

Answer:

Horizontal distance travelled by the ball.

A. 367m

Explanation:

Projectile motion is a motion in which an object moves in a parabolic path due to the action of gravity on it. Projectile motion only occurs when there is one force which is applied at the beginning, after that the only interference is from gravity. e.g the path of a golf ball after hit by a golfer.

Range of the projectile can be defined as the horizontal distance given by the ball. We need to find Range in this question.

The Range of a projectile is given by:

[tex]R = \frac{v^2\cdot{sin2}\theta}{g}[/tex]

where

v = initial velocity = 25 m/s

θ = 35°

g = 1.6 m/s²

Substitute the values in formula of R:

[tex]R= \frac{(25)^2\cdot{sin(2\cdot35)}}{1.6}\\R= \frac{(625)\cdot{sin(70)}}{1.6}\\R=367m[/tex]

Answer:

The mass of Mr. Thomson’s prius is 2650 kg.

Explanation:

We are given with, the kinetic energy of  Mr. Thomson’s prius is 641300 J

He is moving with a velocity of 22 m/s

It is required to find the mass of Mr. Thomson’s prius.

Due to his motion, a kinetic energy will possess by him. The mathematical form of kinetic energy is given by :

[tex]K=\dfrac{1}{2}mv^2[/tex]

Solving for m

[tex]m=\dfrac{2K}{v^2}[/tex]

Plugging all the values, we get :

[tex]m=\dfrac{2K}{v^2}\\\\m=\dfrac{2\times 641300}{(22)^2}\\\\m=2650\ kg[/tex]

So, the mass of Mr. Thomson’s prius is 2650 kg.

Answer:

he scientific and political arguments surrounding the health of our planet can make the whole topic seem beyond the grasp of the individual. How fast is the climate changing? Exactly what effect to humans have? And what will the government do about it?

How we treat Earth also involves trillions of little decisions by billions of individuals.

That in mind, on this Earth Day, LiveScience presents 10 ideas for saving energy and otherwise cutting down on your impact on the planet. The list was compiled by the Earth Day Network organization and republished here with permission

hope this helps u stay safe

Answer:

promote green energy.

Explanation:

Answer:

No phosphorus is not a metal.

Explanation:

Answer:

energy moves freely

just guessing

Answer:

C: Energy does NOT move freely

Explanation:

a closed system does not allow energy to flow, open systems do.

Answer:

Explanation:

When you sit by a campfire, most of the heat you are receiving from the fire does not come from hot air. ... This radiation carries energy which is converted to heat when it hits another object and is absorbed. In contrast, conduction involves the direct movement of heat through an object.

Answer:

awwh thanks for the free points

The special relativity hypothesis is accepted by all physicists. Even our satellites in orbit must synchronize their clocks and transmissions with those on Earth using Einstein's calculations.

According to special relativity, speed has an impact on space, time, and mass. Small amounts of mass (m) can be interchangeable with vast amounts of energy (E), as indicated by the classic equation E = mc2. This method of defining the link between energy and matter is included in the theory.

Therefore, The relationship between speed, mass, time, and space is described by Einstein's special relativity theory. It describes the equation e=mc2, which asserts that energy is equal to mass times the square of the speed of light.

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Answer: B & D

Explanation:

The objects are moving in opposite directions is the statements accurately describe the motion map, therefore the correct answer is option B

An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location.

It is a vector quantity to be displaced. This means that it is visually represented as an arrow that points from the starting position to the ending position and that it has both a direction and a magnitude.

The total distance traveled by an object is different than the total displacement covered by it because the displacement is a vector quantity and it is calculated on the basis of the shortest distance traveled by the body or object.

Thus, The objects are moving in opposite directions is the statements accurately describe the motion map, therefore the correct answer is option B

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Answer:

A.

W: Fahrenheit

X: Celsius

Y: Kelvin

Explanation:

this is correct, I took the test on edge.

The scales W X Y in that order are; Fahrenheit, Celsius and Kelvin.

The temperature scales essentially provide a basis for the measurement of temperature. The three main temperature scales are; Fahrenheit, Celsius and Kelvin. The Kelvin is called the absolute scale.

Given the values of the boling points of water, the scales W X Y in that order are; Fahrenheit, Celsius and Kelvin.

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True. There IS gravity in space. Tons of it.

When capacitors are in PARALLEL, they add up. (like resistors in series)

If you connect these four capacitors in parallel, the combination behaves like a single capacitor of (4 x 2.5) = 10 mF.

That's the greatest capacitance you can make with these four pieces.

Answer:

D. 4km/min

Explanation:

Since the question deals with "speed" and not "velocity", the direction does not matter.

the plane covers 40 + 20 km=60km in 10mins +5 mins=15mins

60 km - 15 mins

1min- 60÷15= 4 mins

therefore, your answer is D. 4km/min

The sum of the voltages across each branch is equal to the total voltage is

true about voltage in a series circuit.

This is the type of circuit in which the whole current flows through each

component and is not divided.

In a series circuit, the total voltage equals the sum of the voltages across

each branch where individual components are present.

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