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Margaret [11]
4 years ago
11

For an object moving at a constant speed, we would expect the velocity-time graph for this object to have a ______ shape.

Physics
1 answer:
pickupchik [31]4 years ago
6 0
The answer is A, the graph would have a horizontal shape. The answer is A.
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At 0.0 degrees Celsius, a wire cable is 410.0000 meters in length. When the temperature increased to 30.0 degrees Celsius, the w
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Answer: The coefficient of expansion for the wire 0.000028 (^oC)^{-1}.

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Original length of the wire = L= 410.0000 m

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Increase in Length of the wire = \Delta L=0.3444 m

\frac{\Delta L}{L}=\alpha _{L}\times \Delta T=\alpha _{L}\times (T_2-T_1)

\alpha _L=\frac{\Delta L}{L\times (T_2-T_1)}=\frac{0.3444 m}{410.0000 m\times (30.0^oC-0.0^oC)}

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The coefficient of expansion for the wire 0.000028 (^oC)^{-1}.

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