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adell [148]
3 years ago
10

Answer question 83 and 84

Physics
1 answer:
Ne4ueva [31]3 years ago
6 0
83. Gravity is activity as a force on the cart.

84. The box has gathered kinetic energy and momentum and will continue going forward.
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Answer:

1060.41kg/m^3

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Bulk modulus is defined as the relative change in the volume of a body produced by a unit of compressive acting uniformly over its surface:

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\rho=\rho_o +\bigtriangleup \rho=\rho_o(1+\frac{\bigtriangleup P}{B})\\\\=1030 \times (1+ \frac{(680-1)\times10^5}{2.3\times 10^9})\\=1060.41kg/m^3

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The hotter an object is, the more kinetic energy it has, but i'm not sure what is the exact word missing??
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