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charle [14.2K]
2 years ago
6

What is being described in the following definition: An opening in the floor, platform, or pavement that measures 12 inches or m

ore, and through which persons may fall.
A.
Floor Hole

B.
Floor Opening

C.
Wall Opening

D.
Railing
Physics
1 answer:
azamat2 years ago
3 0
Answer is Floor Opening
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➷ Earth's gravity is approximately 9.81

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weight = 45.126

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PLEASE PLEASE PLEASE A mad scientist places massive amounts of charge on basketball sized aluminum balls. The charge on the ball
bazaltina [42]

Answer:

4.2 x 10⁷N

Explanation:

Given parameters:

Charge on ball:

             q₁  = 3C

              q₂ = 14C

Distance between balls  = 9000m

Unknown:

Force acting on the two balls

Solution:

The force experienced by the two charges is given by coulombs law. It is mathematically expressed as;

                      F  = \frac{k q_{1} q_{2} }{r^{2} }

where k  = 9 x 10⁹Nm²/C²

           q is the charges

             r is the distance

Input the variables and solve;

                 

        F  = \frac{9 x 10^{9} x 3 x 14 }{9000}  = 4.2 x 10⁷N

8 0
3 years ago
If you had an unlimited amount of mass to hang, what would be the range of possible accelerations for the system?
LenaWriter [7]

Answer:

The entire cart/hanging mass system follows the same law, ΣF = ma. This means that plotting force vs. acceleration yields a linear relationship (of the form y = mx).

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2 years ago
640 nanometer setara dengan​
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Answer:

640 nanometer setara dengan​ 6.4e-7 meter

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2 years ago
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