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What values are needed to calculate speed?A distance and momentumB distance and timeC mass and timeD mass and momentum

Question

What values are needed to calculate speed?

  • A. distance and momentum
  • B. distance and time
  • C. mass and time
  • D. mass and momentum
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Solution

Break Down the Problem

  1. Identify the factors that are needed to calculate speed.

Relevant Concepts

  1. Speed is defined by the formula: Speed=DistanceTime \text{Speed} = \frac{\text{Distance}}{\text{Time}} This means that speed requires two key values: distance and time.

Analysis and Detail

  1. Let's consider the options:
    • A) Distance and momentum: Momentum is not relevant for calculating speed.
    • B) Distance and time: This pair is essential as per the definition above.
    • C) Mass and time: Mass is unrelated to the calculation of speed.
    • D) Mass and momentum: Neither of these variables is needed for speed calculation.

Verify and Summarize

  1. The key takeaway is that the calculation of speed directly depends on distance and time.

Final Answer

The correct answer is B) distance and time.

This problem has been solved

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