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4 years ago

I hope you are able to read this question?? Help ASAP this question is on the quiz tommorow

Physics

1 answer:

Masteriza [31]4 years ago

8 0

You would be correct.

Because you have only JUST released the arrow, and how close he is to the target, it would have the same amount of energy when it strikes the target. Yes, the kinetic energy would be destroyed when you hit the target but not right away. And yes, the potential energy would also be destroyed once you release the arrow, but it goes straight back once it stops moving, aka when it hits the target, although it has only just stopped moving.

Hope this helps!

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Will you say thanks, for points?

Ede4ka [16]

Thank you, thx, thank you very much.

6 0

3 years ago

Why does conservation of energy not result in perpetual motion machines?

Colt1911 [192]

The first law of thermodynamics is the law of conservation of energy. It states that energy is always conserved. ... To keep a machine moving, the energy applied should stay with the machine without any losses. Because of this fact alone, it is impossible to build perpetual motion machines.

5 0

3 years ago

Read 2 more answers

Can any1 send me the answer for this?

kaheart [24]

Answer:

i think 4 is the answer

Explanation:

5 0

4 years ago

A long, straight wire of radius R carries a steady current I that is uniformly distributed through the cross section of the wire

vitfil [10]

Answer:

When $r \ge R$

$B = \frac{ \mu_o * I}{ 2 \pi r }$

When $r< R$

$B = [\frac{\mu_o * I }{ 2 \pi R^2} ]* r$

Explanation:

From the question we are told that

The radius is R

The current is I

The distance from the center

Ampere's law is mathematically represented as

$B[2 \pi r] = \mu_o * \frac{I r^2 }{R^2 }$

$B = \frac{ \mu_o}{2 \pi } * \frac{r}{R^2}$

When $r \ge R$

=> $B = \frac{ \mu_o * I}{ 2 \pi r }$

But when $r< R$

$B = [\frac{\mu_o * I }{ 2 \pi R^2} ]* r$

4 0

4 years ago

Determine o que se pede e diga qual transformaçao P=25 atm T=600 P=75atm T=?

Greeley [361]

Olá!!!

P= 25 atm, T=600
P=75atm, X
600×75=45 000
45000:25=1 800

Vamos resolver isso com uma regra de três, se P=25atm corresponde a T=600, P=75atm poderá corresponder a T=1 800.

Caso não seja esse tipo de resposta, pode avisar..

Espero ter ajudado!!

3 0

4 years ago