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JulsSmile [24]
3 years ago
8

If 2 objects had the same momentum, what must be true about the mass of the object that traveled the fastest?

Physics
1 answer:
julsineya [31]3 years ago
4 0

Yes, the above-given statement is true

<u>Explanation:</u>

  • The product of the mass x the velocity will be the same for both. Momentum is the action of a body with a particular mass through space and there is the conservation of momentum.
  • Momentum is described as the mass of the object multiplied by its velocity.
  • <u>Momentum (p) = Mass (M) * Velocity (v)</u>
  • Therefore for two objects with many masses to have a similar momentum, then the lighter one has to be moving quicker than the heavier object.

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Answer:

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Explanation:

Resistivity of a material is expressed as;

p = RA/l

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Given

R = 5 ohms

A = 0.5mm^2

A = 5 * 10^-7m^2

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Substitute into the formula;

p = (5 *  5 * 10^-7m^2)/0.3

p = 25 * 10^-7/0.3

p = 0.0000025/0.3

p = 8.333*10^-6

Hence its resistivity at 20 degrees Celsius is 8.333*10^-6 ohms

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