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taurus [48]
3 years ago
7

I need help on this still stuck on it

Physics
1 answer:
jenyasd209 [6]3 years ago
6 0
The underlined offset 2 is called a subscript and it describes how many of the element preceding it per molecule of the entire molecule/compound. In the case of H20, it means there are 2 Hydrogen per H20 molecule.
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This definition can be expressed as

m_1u_1+m_2u_2 = (m_1+m_2)V_f

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m_{1,2} = Mass of each object

u_{1,2} = Initial Velocity of each object

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Rearranging the equation to find the final velocity we have,

V_f = \frac{m_1u_1+m_2u_2}{(m_1+m_2)}

Our values are given as

m_1 = 96Kg\\m_2 = 0.9Kg\\u_1 = 6.3m/s\\u_2 = 27.4m/s

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