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Arlecino [84]
3 years ago
12

Select the correct answer.

Physics
1 answer:
Tcecarenko [31]3 years ago
5 0

Answer:

c

Explanation:

<em>i </em><em>think </em><em>the </em><em>answer </em><em>is </em><em>c </em><em>because</em><em> </em><em>the </em><em>acceleration</em><em> </em><em>is </em><em>directly</em><em> </em><em>proportional</em><em> to</em><em> </em><em>the </em><em>force </em><em>but </em><em>inversely</em><em> proportional</em><em> to</em><em> the</em><em> </em><em>mass </em><em>of </em><em>the </em><em>body </em><em>according</em><em> to</em><em> the</em><em> </em><em>equation</em>

<em>a=</em><em>f/</em><em>m</em>

<em>hope </em><em>this </em><em>helps</em>

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Answer:

0J

Option: B

Explanation:

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The work function is W = m × g ×h × cosθ

\text { Where, in this case theta }=90^{\circ}

Hence,  

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Therefore work done is 0 J.

7 0
4 years ago
A brick falls from 12 m scaffolding. What is the final velocity of the brick if it was initially at rest? How much time passes d
Rama09 [41]

Answer:

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Explanation:

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3 years ago
In a mass spectrometer, a single-charged particle (charge e) has a speed of 1.0 × 10 6 m/s and enters a uniform magnetic field o
Nonamiya [84]

Answer:

The mass is  m  =6.4*10^{-28} \ kg

Explanation:

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    The  magnetic field is  B = 0.20 \ T

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Now this centripetal force is due to the force exerted on the charge by the magnetic field on the charge which is mathematically represented as

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     F_m  =  e v  B  sin(90)

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Now given that it is this  magnetic force that is causing the circular motion we have that

       F_c  =  F_m

=>     \frac{mv^2}{r }  =  ev  B

=>     m  = \frac{e * B  *  r  }{v }

substituting values

       m  = \frac{ 1.60 *10^{-19} *  0.20   *  0.020   }{1.0*10^{6} }

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8 0
4 years ago
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Answer:

b.

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Answer:

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