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Dafna11 [192]
3 years ago
11

A force of 120 N is acting on a surface of area 100 cm 2 . Calculate the pressure acting on the surface.

Physics
1 answer:
defon3 years ago
6 0

Answer:

Thrust is the force acting normally to a surface. So, Thrust = 1200 N. And , Pressure = Thrust / Area. = 1200 / 0.001. = ...

Explanation:

this right like me

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To float in air, a blimp would be filled with helium (true or false)
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Answer :

TRUE

Explanation :

Helium is lighter and is much less dense than most of the gases in our atmosphere hence the blimp, if filled with helium will float in air
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Describe the change that occurs in the pattern of atmospheric temperature at the pauses
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4 0
3 years ago
Estimate under what set of conditions it is possible, despite the spherical shape of the working electrode, to use linear diffus
goldfiish [28.3K]

When the experimental measurements diverge at very low values of the voltages. When the ratio of current to saturated current is very small. That is, i/I less than or equal to 1/100. When there is a finite current at Voltage

V = 0

Diffusion will have influence on current - voltage curve in the working electrode which is ionization detector.

The estimation under set of conditions that is possible, despite the spherical shape of the working electrode, to use linear diffusion equations to theoretically predict the current vs voltage curve expected in this experiment will be:

  • When the experimental measurements diverge at very low values of the voltages
  • when the ratio of current to saturated current is very small. That is, i/I less than or equal to 1/100
  • When there is a finite current at Voltage V = 0

Where

i = electric current

I = saturated current

V = voltage supplied

The curve expected will therefore give exponential curve from positive to negative domain because of the diffusion of ions from different directions

Learn more here: brainly.com/question/23985719

8 0
3 years ago
It took Eric 11 hours to drive to a football game. On the way home, he was able to increase his average speed by 12mph and make
yarga [219]

Answer:

54mph

Explanation:

Speed is defined as the change in distance of a body with respect to time.

Let x be the speed of Eric on his way to the football game, if he used 11hours to the football game, his distance will be the product of his speed and time taken i.e

Distance = speed × time

Distance= x × 11

Distance = 11x... (1)

During his return journey, his speed increases by 12mph with a return drive in only 9hours i.e speed = x+12 and time is 9hours

Since distance = speed × time (return Journey)

Distance = (x+12)×9

Distance = 9x+84...(2)

Note that the distance to and fro the journey is the same as such we will equate equations 1 and 2 to get his initial speed "x" to have;

11x = 9x+84

11x-9x = 84

2x = 84

x = 42mph

This means that his initial speed on his way to the football game is 42mph. Since his speed increases by 12mph during his return drive, his return speed will be 42mph + 12mph which gives 54mph.

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