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Alex
3 years ago
10

A 60 N force is applied over a distance of 15 m. How much work was done?

Physics
1 answer:
GuDViN [60]3 years ago
3 0

Answer:

900J

Explanation:

w =f×s

60×15

=900J

thus the k.e of the body is 900j

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Answer:

Yes.

Explanation:

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3 years ago
A bug flying horizontally at 0.65 m/s collides and sticks to the end of a uniform stick hanging vertically. After the impact, th
irina [24]

The angular momentum is defined as,

L=I\omega

Acording to this text we know for conservation of angular momentum that

L_i=L_f

Where L_iis initial momentum

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How there is a difference between the stick mass and the bug mass, we define that

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L_i=mvl

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vector from the point of reference (O), and ve is the velocity

At the end with the collition we have

L_f=(I_b+I_s)\omega

Substituting

L_f=(ml^2+\frac{10ml^2}{3})\omega

L_f=\frac{13}{10}ml^2w

m(0.65)l=\frac{13}{10}ml^2 \omega

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Applying conservative energy equation we have

\frac{1}{2}(I_b+I_s)\omega^2=mgh+10mgh'

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7 0
3 years ago
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4 0
3 years ago
Read 2 more answers
Water flows over a section of Niagara Falls at the rate of 1.2×106 kg/s and falls 50.0 m. How much power is generated by the fal
quester [9]

Answer:

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