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Jet001 [13]
3 years ago
13

Which property of a substance can be determined using a pH indicator?

Physics
2 answers:
Tanzania [10]3 years ago
7 0

Answer: B

Explanation:

pH has to do with properties of water

Novay_Z [31]3 years ago
4 0

Answer: B

Explanation: hope it's right.

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What is the value of x?<br><br> 6x−2(x 4)=12
Ymorist [56]

Answer: The value of x is -6.

Explanation:

To calculate the value of 'x', we need to solve each function happening inthe equation.

The equation provided to us is 6x-2(4x)=12

To solve this, we will multiply 4x with 2 and then subtract the like terms and finally, we evaluate the value of 'x'.

6x-8x=12\\\\-2x=12\\\\x=\frac{12}{-2}\\\\x=-6

Hence, the value of x will be -6.

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4 years ago
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A car speeds up as it rolls down a hill. which is this an example of? positive acceleration negative acceleration relative veloc
alex41 [277]
Positive acceleration
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4 years ago
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¿Piensas que algunos fenómenos meteorológicos pueden deberse a las relaciones que existen entre las variables de presión, volume
lakkis [162]

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3 years ago
100 POINTS PLEASE HELP ASAP!!!!
elena-s [515]

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B

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3 years ago
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A construction crane's cable lifts a 49.5-kg box upward with an acceleration of 1.30 m/s2. Find the tension in the rope.
Basile [38]

Verrrrry interesting question !

Force= (mass) x (acceleration)

               (49.5kg) x (1.3 m/s²) =

       <u> Net</u> force on the box is  <u>64.25 newtons upward</u>.

That's the <u>net</u> force.  It's the combination of the tension in the rope
pulling the box up, and the force of gravity pulling the box down.

 Force of gravity = "weight" = (mass) x (gravity) =
 
                                                     (49.5) x (9.8) = <u>485.1 newtons downward</u>

The tension in the rope must be enough to balance the downward force
of gravity PLUS provide another 64.25 newtons upward.

       <em>Tension =</em> (485.1) + (64.25) = <em>549.35 newtons</em>


6 0
4 years ago
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