Question

# Acceleration is defined as the rate of change of velocity. Unit of rate of change of acceleration is:

A
m/s2
B
m/s3
C
m/s
D
m2/s3

Solution

## The correct option is B $$m/s^{3}$$Acceleration has unit $$m/{s}^{2}$$.The rate of change of acceleration $$\dfrac { d\overset { \rightarrow }{ a } }{ dt } =\dfrac { { d }^{ 3 }y }{ d{ t }^{ 3 } } =\dfrac { m }{ { s }^{ 3 } }$$Hence, option B is correct.Physics

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