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What is the SI unit of length?

A

When its velocity is positive, so the signs are opposite.

B

Vertically downwards, towards Earth's centre.

C

For constant velocity, v=st\boxed{v=\frac{s}{t}}v=ts​​, giving the SI unit m s−1\text{m s}^{-1}m s−1.

D

The metre (m).

Card 1 of 25

3.1.2 Derived quantities and units Flashcards

  1. A Level
  2. /Maths
  3. /3.1.2 Derived quantities and units

25 flashcards on OCR A Level Maths 3.1.2 Derived quantities and units: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards