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vagabundo [1.1K]
3 years ago
9

a 2 kg laptop sits on the floor near a 4 kg jar of pennies. if the force of gravity between them is 3.42× 10⁻¹⁰ , how far apart

are they?
Physics
1 answer:
MissTica3 years ago
8 0

The answer is 1.25 m

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The intensity of a sound wave at a fixed distance from a speaker vibrating at 1.00 kHz is 0.600 W/m2.
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Answer:

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Explanation:

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Energy may be measured in?​
hram777 [196]

Answer:

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6 0
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Starting from rest, a 6.79 kg block slides 2.82 m down a rough 20.7 ◦ incline. The coefficient of kinetic friction between the b
Veronika [31]

Answer:

23.52092 J

Explanation:

m = Mass of block = 6.79 kg

s = Sliding distance = 2.82 m

\theta = Angle of slide = 20.7°

\mu = Coefficient of kinetic friction = 0.425

g = Acceleration due to gravity = 9.8 m/s²

Work done by the force of gravity is given by

W=mgsin\theta\\\Rightarrow W=6.79\times 9.8\times sin20.7\\\Rightarrow W=23.52092\ J

The work done by the force of gravity is 23.52092 J

8 0
2 years ago
Monochromatic light of wavelength, lambda, is traveling in air. The light then strikes a thin film having an index of refraction
kumpel [21]

Answer:

The  correct option is  H

Explanation:

From the question we are told that

    The index of refraction of  coating is  n_1

       The  index of refraction of material  is  n_2

   

Generally the condition for constructive for a thin film interference is mathematically represented

            2 *  t  = [ m  + \frac{1}{2}] \frac{\lambda}{n_1 }

Here  t represents the thickness

For minimum thickness  m =  0

So

           2 *  t  =0  + \frac{1}{2}\frac{\lambda}{n_1 }

=>        t  =\frac{\lambda}{4n_1 }

3 0
2 years ago
According to research, college graduates are more likely to engage in all of the following EXCEPT:
Ksivusya [100]
Strange question. I’d say B)
7 0
3 years ago
Read 2 more answers
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