PHYSICS HIGH SCHOOL

Air pressure decreases asa. velocity increases.
b. elevation increases.
c. acceleration decreases.
d. gravity increas

Answers

Answer 1
Answer: Elevation increases
Answer 2
Answer:

Answer:

As elevation increases, air pressure decreases, molecules spread out, and air temperature cools.

Explanation:

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A student who has trouble hearing and must have a written copy of class lectures in order to participate in class is considered to have which of the following?

Answers

For this, the student has problems when participating in class discussions. I believe that this type of student has a participation restriction disability. This disability refers to an individual who cannot focus or is not capable of participating in social activities.

Answer: The answer is c

Explanation:

A runner achieves a velocity of 11.1 m/s 9 seconds after he begins. What is his acceleration? What distance did he cover?

Answers

Acceleration=\frac { Final\quad Velocity\quad -\quad Initial\quad Velocity }{ Time } \n

Therefore:

Acceleration=\frac { 11.1\quad m/s\quad -\quad 0\quad m/s }{ 9\quad seconds } \n \n =\frac { 11.1\quad m/s }{ 9\quad seconds } \n \n =1.23\quad m/{ s }^( 2 )\quad (2\quad decimal\quad places)

As the runner was travelling for 9 seconds, he covered a distance of 99.9 metres. 9 seconds x 9 seconds  = 81 seconds squared, and the runner covers roughly 1.23 metres in distance every second squared.

Explanation:

Acceleration=

Time

FinalVelocity−InitialVelocity

Therefore:

\begin{gathered}Acceleration=\frac { 11.1\quad m/s\quad -\quad 0\quad m/s }{ 9\quad seconds } \\ \\ =\frac { 11.1\quad m/s }{ 9\quad seconds } \\ \\ =1.23\quad m/{ s }^{ 2 }\quad (2\quad decimal\quad places)\end{gathered}

Acceleration=

9seconds

11.1m/s−0m/s

=

9seconds

11.1m/s

=1.23m/s

2

(2decimalplaces)

As the runner was travelling for 9 seconds, he covered a distance of 99.9 metres. 9 seconds x 9 seconds = 81 seconds squared, and the runner covers roughly 1.23 metres in distance every second squared.

A solid magnesium flare has a mass of 1300 g and a volume of 743 cm3 what is the density of the magnesium

Answers

Answer:

density = 1.75 g/cm^3

Explanation:

As we know that the mass of the magnesium is given as

mass = 1300 g

volume of the magnesium is

volume = 743 cubic cm

so we will have

density = (mass)/(volume)

so we will have

density = (1300)/(743)

density = 1.75 g/cm^3

How do simple machines make work easier? A.They change the strength or direction of a force.


B.They maintain the distance of a force.


C.They apply force quickly.


D.They decrease the power available.

Answers

I believe it is c. hope this Helps :)

The process of a liquid becoming a gas is call what

Answers

Vaporization of a sample of liquid is a phase transition from the liquid phase to the gas phase.

How is a combustion reaction like the respiration reaction? list as many similarities as you can

Answers

They both have produce oxides, use up oxygen, and release energy as well.
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