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Makovka662 [10]
4 years ago
7

Help me fast and i brainliest.

Physics
1 answer:
nexus9112 [7]4 years ago
8 0
There are correlation and causation between the force of the finger and the movement of the books
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Which object has a weight of about 22.5 n the book the rock the box the fish
Alex Ar [27]

Answer: The rock

Explanation:

8 0
2 years ago
10 POINTS!!! Determine the pressure of your book in pascals (Pa). Show your work! (the pressure of the book in psi is 0.03 psi)
Musya8 [376]

You've listed a lot of data here, in both metric and customary units,
and I'm not even sure it's all needed.  Let me try and boil it down:

Pressure on a surface =
               (total force on a surface)
divided by (area of the surface).

The answer to the question is the pressure expressed in pascals. 
There's actually enough information here to answer the question
in 2 different ways.  We could ...

-- simply convert (0.03 pound per inch²) to pascals, or
-- go through the whole calculation of force, area, and then their quotient. 

To me, converting 0.03 psi to Pa looks easier.

-- 1 pascal = 1 newton / 1 meter²

-- On Earth, 1 kilogram of mass weighs 9.8 Newtons and 2.2 pounds.
From this, we can calculate that

                    2.2 pounds of force = 9.8 newtons of force.

                     1 pound = 4.45 newtons

(0.03 pound/inch²) x (4.45 newton/pound) x (1inch/2.54cm)² x (100cm/1m)² =

 (0.03 x 4.45 x 1² x 100²) / (2.54² x 1²)    newton/meter²  =  206.9 Pa .

7 0
4 years ago
Some one please help me
sattari [20]
Seal the roof and remove the moisture. Mold cannot survive in a dry environment so this will help remove it in an ecologically fiend way.
3 0
3 years ago
3.) What is the velocity of a 5.5 kg object that has a momentum of 550 kg-m/s?
stepladder [879]

Answer:

idk

Explanation:

8 0
3 years ago
A series of evenly timed pulses create a wave that can be described as a _______<br><br> wave.
son4ous [18]

Answer:

Periodic

Explanation:

A periodic (or repetitive) wave has continuously repeating pattern with characteristics such as amplitude, wavelength and frequency. In a periodic wave, a series of pulses that are evenly timed would be created. In other words, the wave pattern in a periodic wave repeats at regular intervals.

An example of a periodic wave is the sound from the strings of a violin.`

8 0
3 years ago
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