PHYSICS HIGH SCHOOL

Which of the following most directly shows how physics affects society?A. A car comes equipped with side air bags.
B. A business conducts meetings over the Internet.
O C. A surgeon performs a heart transplant.
D. A singer wins an award for a song she wrote.

Answers

Answer 1
Answer:

the answer is definitely A.

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A water wave travels 36 meters in 15 seconds. What is the speed of the wave?540 m/s
2.4 m/s
0.42 m/s
1.9 m/s

Answers

Since the question above is looking for the SPEEd of the WAVE, the formula that should be used is SPEED = DISTANCE / TIME. You just need to substitute the distance (36 meters) and the time (15 seconds) to the formula. You should be able to get SPEED = 2.4 m/s.

A water wave travels 36 meters in 15 seconds. What is the speed of the wave?

2.4 m/s

Cellular telephones use what type of wave?

Answers

Cellphones use radio frequency waves to transmit sound through the speaker and the microphone. The radio frequency energy that is given off by cell phones is a type of electromagnetic energy.
I hope I helped! =D
cellular telephones use radio frequency waves

How many elective courses does a college student typically have to take to earn a bachelors degree?

Answers

6 elective courses
i hope this helps :)

Which type of star has the widest range in brightness and surface temperature?a. giant
b. white dwarf
c. neutron
d. main sequence

Answers

Answer:

the best answer is Giant.

Explanation:

I believe It's...

d. main sequence

Which coefficient is needed in front of NaNO3 to balancethe equation Na2S +Zn[NO3]2_ZnS+NaNO#

Answers

So Let's adjust the condition! So to ken how to compose what number of components are on each of the sides from this condition.  The coefficient has to require the apply that the entire aggravate that is denotes we have to decide what number of is on the reactants side so: Na=2 , O=6, N=2 So there is a subscript of 3, so we can now surmise that we can duplicate 2*3=6. So the final answer shall be 2.

Nitrogen is used to proctect steel from water because nitrigen has?

Answers

Nitrogen is used to protect steel from water because nitrogen has stable physical properties that enables the nitrogen to be resistant to water molecules. Nitrogen also serves as a coat for the steel to not be corroded easily
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