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Physics
Physics
Problem
A block of mass
m
m
m
attached to a spring of constant
k
k
k
oscillates with amplitude
A
A
A
and reaches a maximum speed
v
max
v_{\text{max}}
v
max
. What is the speed of the block when it is at a displacement
x
=
A
2
x = \tfrac{A}{\sqrt{2}}
x
=
2
A
from equilibrium? a)
v
max
3
\dfrac{v_{\text{max}}}{\sqrt{3}}
3
v
max
b)
v
max
2
\dfrac{v_{\text{max}}}{\sqrt{2}}
2
v
max
c)
v
max
2
\dfrac{v_{\text{max}}}{2}
2
v
max
d)
3
2
v
max
\dfrac{\sqrt{3}}{2}\,v_{\text{max}}
2
3
v
max
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