Question

please tell me fast and correct​

Answer 1

Answer:

9) Negative

10) Meter

Explanation:

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Answer 2

Answer:

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Explanation:

1st ans.

Speed zero refers to no speed. Speed is termed as the "distance traveled by the time taken". Speed fraction may be considered as 10.5 kilometers and speed positive may be considered as moving in that positive direction as 10 Km.

2nd ans

Displacement (symbolized d or s ), also called length or distance, is a one-dimensional quantity representing the separation between two defined points. The standard unit of displacement in the International System of Units( SI ) is the meter (m).