A stationary object of mass 4kg is set in motion by a net force of 5ON. If the object attains is speed of 5ms-1 in time. Calculate the value of t.
a
0.20s
b
0.40s
c
0.63s
d
0.80s
e
1.30s
Explanation
Correct Option
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Mjjkke
5 years ago
Nice working.......using force formula
F=ma
50=4@
Divide both side by 4@
@=50/4=12.5ms-²
Now let us used motion first formula to get our time which is
V=u+at
5=0+12.5t
t=0.4s💥💥💯

