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Physics
Physics
Problem
An elastic ball bounces elastically off a smooth vertical wall. Just before impact, the ball's velocity is vector
v
⃗
\vec{v}
v
with magnitude
10
m/s
10\,\text{m/s}
10
m/s
at an angle of
30
∘
30^{\circ}
3
0
∘
to the normal. Find the velocity of the ball's image just before impact.
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