Question

Which of the following describes acceleration?

1:s/m
2:m/\(\sf s^2\)
3:\(\sf m^2\)
4:m/s

Answer 1

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What do you think it should be?

Answer 2

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Answer 3

from physic knowledge i think 2. is right

Answer 4

That is correct because acceleration is equal to velocity over time. The units for velocity are meters per second and time is seconds, so you have, \[\frac{ \frac{ m }{ s } }{ s }\]
Instead of dividing, you can multiply by switching the numerator and denominator, so \[\frac{ m }{ s }*\frac{ 1 }{ s }\]

Answer 5

That will give you your units, which the second option is the only one with the correct units.