A penny dropped into a wishing well reaches the bottom in 1.70 seconds. What was the velocity at impact?
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Answer:
penny dropped into a wishing well reaches the bottom in 1.5 seconds. What was the velocity at impact?
Physics
1 Answer
sjc
Oct 23, 2017
15
m
s
−
1
Explanation:
Explanation:
we ahve
u
=
0
m
s
−
1
v
=
?
t
=
1.5
s
g
=
10
m
s
−
2
using
v
=
u
+
a
t
↓
v
=
0
+
10
×
1.5
v
=
15
m
s
−
1
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