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eduard
3 years ago
15

When not in a vacuum, what force causes objects in freefall to fall at different speeds??

Physics
1 answer:
Deffense [45]3 years ago
4 0
Hi,

My best answer would be Gravity. Is it a multiple choice question? Or is it an essay question. 
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What is the period? Blank seconds.
FromTheMoon [43]

Answer:

Period refers to the time for something to happen and is measured in seconds/cycle

8 0
3 years ago
A chair of weight 90.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F =
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3 0
3 years ago
What is the weight of a 8-kg substance in N, kN, kg·m/s2, kgf, lbm·ft/s2, and lbf?
kvv77 [185]

Answer:

W = 78.48N\\W =0.0784kN\\W = 8kgf\\

W= 3.6lbf\\W= 115.2 lbm*ft/s2

Explanation:

if

m=8kg=3.6lb\\

and g=9.81 m/s2=32.16 ft/s2

and

W=m*g

we can just replace de mass and gravity and we have

W = 8kg * 9.81 \frac{m}{s^{2} } =78.48N\\W = \frac{78.48N}{1000} =0.0784kN\\W = 8kgf\\

W= 3.6lbf\\W= 3.6lbm *32.16 ft/s2 =115.2 lbm*ft/s2

5 0
4 years ago
A scientist discovered an elementary particle paired with another particle. It has a positive charge equal to two–thirds of the
julia-pushkina [17]
W boson has +1e or - 1e charge, Z boson has 0 charge.

Leptons have +1e, -1e or 0 charge.

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To be exact, only up-type quarks (Up, Down and Top quarks) have a +2/3e or two thirds of an electron charge.

So the correct answer is D) Quark.
6 0
3 years ago
What types of sound waves diffract more than others
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Explanation:

7 0
3 years ago
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