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Mathematics
Mathematics
Problem
For motion of an object along the x-axis, the velocity
v
v
v
depends on the displacement
x
x
x
as
v
=
3
x
2
−
2
x
v=3x^2-2x
v
=
3
x
2
−
2
x
, then what is the acceleration at
x
=
2
m
x=2\text{m}
x
=
2
m
. 1)
48
ms
−
2
48\text{ms}^{-2}
48
ms
−
2
2)
80
ms
−
2
80\text{ms}^{-2}
80
ms
−
2
3)
18
ms
−
2
18\text{ms}^{-2}
18
ms
−
2
4)
10
ms
−
2
10\text{ms}^{-2}
10
ms
−
2
1)
48
ms
−
2
48\text{ms}^{-2}
48
ms
−
2
2)
80
ms
−
2
80\text{ms}^{-2}
80
ms
−
2
3)
18
ms
−
2
18\text{ms}^{-2}
18
ms
−
2
4)
10
ms
−
2
10\text{ms}^{-2}
10
ms
−
2
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