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sineoko [7]
3 years ago
6

.Express 3.0x10-4 -1.7x10-6 with proper significant figure.

Physics
1 answer:
Sav [38]3 years ago
5 0
Because of BOMDAS, you do the multiplication first.

(3.0x10) - 4 - (1.7x10) - 6

= 30 - 4 - 17 - 6

= 3
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Your car burns gasoline as you drive up a large mountain. What energy transformation is the car performing?
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Chemical energy to Mechanical energy

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A 10,000 N net force is accelerating a car at a rate of 5.5m/s^2. What is the cars mass
ycow [4]

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If a net horizontal force of 175 N is applied to a bike whose mass is 43 kg what acceleration is produced? What average net force is ... A 10,000 N net force is accelerating a car at a rate of 5.5 m/s2. What is the car's mass? A boy pedals his ...

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3 years ago
Two identical loudspeakers are driven in phase by a common oscillator at 750 Hz and face each other at a distance of 1.24 m. Loc
Juli2301 [7.4K]

Answer:

0.2286  m,  0.686 m and  1,143 m

therefore we see that there is respect even where the intensity is minimal

Explanation:

Destructive interference to the two speakers is described by the expression

       Δr = (2n +1) λ/2

where r is the distance,  λ the wavelength and n an integer indicating the order of the interference

let's locate the origin on the left speaker

let's find the wavelength with the equation

        v =  λ f

         λ = v / f

we substitute

      Δr = (2n + 1) v / 2f

let's calculate for difference values ​​of n

     Δr = (2n +1) 343/(2 750)

     Δr = (2n + 1) 0.2286

we locate the different values ​​for a minimum of interim

    n     Δr (m)

     0    0.2286

     1     0.686

     2    1,143

therefore we see that there is respect even where the intensity is minimal

6 0
3 years ago
Artificial gravity is a must for any space station if humans are to live there for any extended length of time. Without artifici
wariber [46]

Answer:

Hi myself Shrushtee.

Explanation:

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The distance traveled by the man in one revolution is simply the circumference of the space station, C = 2p R. From this result, you should be able to deduce the time it takes for the space station to sweep out a complete revolution.

<h2><em><u>P</u></em><em><u>lease</u></em><em><u> mark</u></em><em><u> me</u></em><em><u> as</u></em><em><u> brainleist</u></em></h2>
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