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Physics
Physics
Problem
A ball rolling on a horizontal surface slows down uniformly from
20
m s
−
1
20\,\text{m s}^{-1}
20
m s
−
1
to rest in
5
s
5\,\text{s}
5
s
. The distance travelled before it stops is a)
75
m
75\,\text{m}
75
m
b)
50
m
50\,\text{m}
50
m
c)
25
m
25\,\text{m}
25
m
d)
100
m
100\,\text{m}
100
m
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