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

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Correct Option
b

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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💥💥💯

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