Physics
WAEC 1992
What change in velocity would be produced on a body of mass 4kg if a constant force of 16 N acts on it for2 s?
-
A.
0.5 ms-1
-
B.
2.0ms-1
-
C.
8.0 ms-1
-
D.
32.0 ms-1
-
E.
128.0 ms-1
Correct Answer: Option C
Explanation
F =
m(v - u)/t
; (v - u) =
Ft/m
= 8.0
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