PHYSICS HIGH SCHOOL

If acceleration due to gravity is 9.8 m/s on earth and you have a mass of 75kg what is your weight force

Answers

Answer 1
Answer:

Answer:

w=mg

w=[75][9.8]

w=735

Explanation:

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A circuit component with a high resistance will have a low electric current. a. Trueb. False

What is air pressure?

Answers

Air Pressure is a force that is exerted onto your body by air molecules.

What is the pressure of the oxygen coming straight out of the O₂ flush valve (bypass)? a. 2000-2200 PSI b. 12-16 PSI c. 50-60 PSI d. 5-6 PSI"

Answers

Final answer:

The pressure of oxygen coming out of the O₂ flush valve (bypass) is typically around 50-60 PSI.

Explanation:

The pressure of oxygen coming straight out of the O₂ flush valve (bypass) can vary depending on the specific system, but it is typically in the range of 50-60 PSI (pounds per square inch).

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The change in pitch of a train's horn as it passes while you are standing still can be explained by A. the Doppler effect.
B. ultrasonic vibrations.
C. sympathetic vibration.
D. resonance.

Answers

The change in pitch of a train's horn as it passes while you are standing still can be explained by the Doppler effect. The correct option among all the options given in the question is option "A". When the sound source from the horn of the train comes closer, the sound seems to come closer each time a sound wave gets emitted. So it comes closer to us in a bunched form. The reverse happens when the train has just passed with each emitted sound going further and further away. The frequency of the sound seems to get lower as the train moves further away. 

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The Earth rotates on its axis every __________ and revolves around the Sun every __________.a. day . . . year
b. month . . . day
c. year . . . month
d. year . . . day

Answers

The Earth rotates on its axis every __day________ and revolves around the Sun every _____year_____.

What is Rotation and Revolution of earth ?

Rotation refer to an object's spinning motion about its own axis

Revolution refers to the object's orbital motion around another object

The earth rotates on its axis 23 hours, 56 minutes and 4 seconds which is approximately equal to one day whereas the earth revolve around sun in 365 days , 6hours , 9minutes  which is nearly equal to  an year.

Hence , correct option is a) day . . . year

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Earth rotates about this axis once each day (approximately 24 hours)
and revolves around the sun every year ..
Hope this helped ! :)

Which of the following is the best example of uniform circular motion? A.The motion of the second hand on a clock
B.A child swinging on a park swing
C.A golf ball after it has been hit off the tee
D.A skier curving back and forth across a wide slope

Answers

The only choice that describes ANYTHING moving in a circle is ' A '.

The park swing and the skier go back and forth. 
The golf ball goes up and then down, once.

What is the Galaxy we live in called?

Answers

The Milky Way is a spiral galaxy type so it has arms sort of like an octopus. We live in the Milky Way
Milky Way is spiral galaxy type so it arm sort of an octopus that's what we like in . I hope this helps(:
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