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Aleks [24]
3 years ago
8

More current makes a ________ electromagnet. A) longer B) Stronger C) weaker

Physics
2 answers:
galben [10]3 years ago
8 0

I'd say stronger, telling by my research. not 100% sure though.

konstantin123 [22]3 years ago
6 0
I think it's b, I'm not sure
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Two students on roller skates stand face-toface, then push each other away. One student has a mass of 93 kg and the second stude
Maksim231197 [3]

Answer:

\frac{v_1}{v_2} = 0.698

Explanation:

As we know that the two students are standing on skates

So there is no external force on the system of two students

So we can say that momentum is conserved

So here initially both students are at rest and hence initial momentum is zero

So we have

P_i = P_f

m_1v_1 + m_2v_2 = 0

\frac{v_1}{v_2} = \frac{m_2}{m_1}

\frac{v_1}{v_2} = \frac{65}{93}

\frac{v_1}{v_2} = 0.698

6 0
4 years ago
Why do telescopes give modern astronomers an advantage over people in the past
pochemuha

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4 years ago
The body is subjected to a force of 0,4 N m with a shoulder of 5 cm. What is the magnitude of this force?​
igor_vitrenko [27]

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8N

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5 0
3 years ago
A skier (m=59.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 3
marissa [1.9K]

Answer:

35.20 m

Explanation:

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g(H-h)=\frac{1}{2}v^2

\Rightarrow H=\frac{v^2}{2g}+h

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D= horizontal distance=13.9 m

H= maximum height attained

Also, the horizontal distance covered by the skier is

D=vt

=v\frac{2g}{h}

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thus, height H in terms of D  is given by

H=\frac{D^2}{2h}+h

H=\frac{13.9^2}{2\times3}+3

H=35.20 m

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3 years ago
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