3 years ago

After how many seconds does the motorcycle have positive acceleratolion

Physics

1 answer:

densk [106]3 years ago

3 0

After 4 seconds it has positive acceleration

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x = -1.20 m

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as we know that four masses and their position is given as

5.0 kg (0, 0)

2.9 kg (0, 3.2)

4 kg (2.5, 0)

8.3 kg (x, y)

As we know that the formula of center of gravity is given as

$x_{cm} = \frac{m_1 x_1 + m_2x_2 + m_3x_3 + m_4x_4}{m_1 + m_2 + m_3 + m_4}$

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Similarly for y direction we have

$y_{cm} = \frac{m_1 y_1 + m_2y_2 + m_3y_3 + m_4y_4}{m_1 + m_2 + m_3 + m_4}$

$0 = \frac{5(0) + 2.9(3.2) + 4(0) + 8.3 y}{5 + 2.9 + 4 + 8.3}$

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3 years ago

Please help with this :(

Angelina_Jolie [31]

Answer:

I'm sorry I don't have a answer but I like your pfp

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2 years ago

After how many seconds does the motorcycle have positive acceleratolion​

After how many seconds does the motorcycle have positive acceleratolion