3 years ago

This person does work to stretch the rubber band. When will the potential energy be the greatest?

Physics

1 answer:

antiseptic1488 [7]3 years ago

7 0

the rubber band will be at its greatest when its fully stretched out

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Um carro viaja de uma cidade A a uma cidade B, distantes 200km.seu percurso demora 4 horas ,pois decorrida uma hora de viagem ,o

Aleksandr-060686 [28]

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Explanation:

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3 years ago

I need help with this please thank you!

Tresset [83]

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A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed

Tju [1.3M]

Answer:

v = 2.85 m/s

Explanation:

By the law of similarity of the triangle we can say

$\frac{height\: of\: man}{distance\: of \: man\: from \: spotlight} = \frac{height \:of \:image}{distance\: of \:wall\: from\: spotlight}$

here we know that

height of man = 2 m

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so we will have

$\frac{2}{x} = \frac{y}{12}$

$y = \frac{24}{x}$

now we have

$\frac{dy}{dt} = \frac{24}{x^2}\frac{dx}{dt}$

here we know

$\frac{dx}{dt} = speed = 1.9 m/s$

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$\frac{dy}{dt} = \frac{24}{4^2}(1.9)$

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4 years ago

I WILL MARK BRAINLIEST IF CORRECT!!!

Akimi4 [234]

Answer:

I'm fairly sure that the answer is "100 m/s"

Explanation:

Fnet=ma

a=Fnet/m

a=4 N / 0.040 kg

a=100 m/s

please check my work before you submit, i don't wanna let cha down :)

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3 years ago