: 0:21:13 Amanda Barfield: Attempt 2 Question 24 (4 points) Which of the followi

Question

: 0:21:13 Amanda Barfield: Attempt 2 Question 24 (4 points) Which of the following statements is not true? Scalar quantities can be expressed using only magnitude, that is, a number plus units Vector quantities must have magnitude and direction clearly indicated Speed is aways considered to be a scalar quantity Scaiar quantities, to be complete. must have a direction specified Save Question 25 (4 points) Who, quantity is defined as the distance divided by the time? 25 velocity O speed vector Save

Explanation / Answer

24) A vector quantity is a quantity which contains both magnitude(with units) and direction associated with it.

Hence,(b) is the true statement.

Velocity of an object is a vector quantity but speed is a scalar quantity.

Hence,(c) is the true statement

A scalar quantity is a quantity which contains only magnitude(with units) but not direction associated with it.

Hence (a) is true statement.

But (d) is NOT TRUE since it indicates that scala must contains direction associated with it.

Hence,(d) is the correct choice.

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