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gtnhenbr [62]
3 years ago
7

Answer the question in French:

Physics
1 answer:
frez [133]3 years ago
6 0

Bonjour

C'est la fille de ma mère mais ce n'est pas moi, qui est-ce ?

<em>She is my mother daughter but, she's not me ? Who is she ?</em>

<em />

<em>Ma sœur  </em><em> = my sister</em>

<em />

<em>☺☺☺</em>

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Answer: Acceleration

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What is the mass of a basketball that has Connecticut energy of 102 J and it's travelling at 5 m/s
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Answer:

8.16Kg

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The cable of the 1800kg elevator cab in Fig. 8−56 snaps when the cab is at rest at the first floor, where the cab bottom is a di
drek231 [11]

a ) The speed of the cab just before it hits the spring = 7.4 m / s

b ) The maximum distance x that the spring is compressed = 0.9 m

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a ) The speed of the cab just before it hits the spring,

Ki + Pi = K final + P final + W

1 / 2 m vo² + m g hi = 1 / 2 m v² + m g h + f d

0 + ( 1800 * 9.8 * 3.7 m ) = ( 1 / 2 * 1800 * v² ) + 0 + ( 4400 * 3.7 )

v = 7.4 m / s

b ) The maximum distance x that the spring is compressed,

Ki + Pi = K final + P final + W + Fs

1 / 2 m vo² + m g x = 1 / 2 m v² + m g h + f d + 1 /2 k x²

( 1/2 * 1800 * 7.4² ) + ( 1800 * 9.8 * x ) =0 + 0+ ( 4400 * x ) + ( 1/2 * 1800 * x² )

75000 x² + 13420 x - 50625 = 0

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c ) The distance that the cab will bounce back up the shaft,

Ki + Pi + Fs = K final + P final + W

1 / 2 m vo² + m g x + 1 /2 k x² = 1 / 2 m v² + m g h + f d

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h = 2.8 m

Therefore,

a ) The speed of the cab just before it hits the spring = 7.4 m / s

b ) The maximum distance x that the spring is compressed = 0.9 m

c ) The distance that the cab will bounce back up the shaft = 2.8 m

To know more about law of conservation of energy

brainly.com/question/12050604

#SPJ4

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1 year ago
Which of the following is an idea that robert hutchings goddard introduced in his “further developments” to his research "a meth
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<span>Wave energy is an idea that Robert Hutchings Goddard introduced in his “Further Developments” to his research "A Method of Reaching Extreme Altitudes"    </span>
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Fbejfsjnvfdjbesjkbf dsjlbc dsjlc
pav-90 [236]

Answer:

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Explanation:

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