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23 September, 20:30

Identify the following quantities as scalar or vector: the speed of a snail, the time it takes to run a mile, the free-fall acceleration. a. vector, scalar, scalar c. vector, scalar, vector b. scalar, scalar, vector d. scalar, vector, vector

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  1. 23 September, 20:41
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    Answer: b) Scalar, scalar, vector.

    Explanation: A scalar is just a number, this can be the speed for example, while a vector is a number that also has a direction, for example, velocity.

    the speed of a snail: This is just a quantity, this would be a scalar.

    the time it takes to run a mile. Just a quantity, this is a scalar.

    the free-fall acceleration. The acceleration is the rate of change of the velocity, so this has a magnitude and a direction, so this is a vector.

    Then the correct answer is b) Scalar, scalar, vector.
  2. 23 September, 20:42
    0
    B scalar scalar vector
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