Find the magnitude of the net force on a 20 kg mass if it accelerates uniformly from rest to 5.8m/second in 3s .
a) 44.4N
b) 38.6 N
c)22 2 N
d) 55.5 N
Answers
Answered by
0
Answer:
(D) 55.5 N
please check my answer and votes.
Answered by
2
Answer:
38.6666 or Option B
Explanation:
Force=ma
a=v-u/t
where u=0,v=5.8m/s and t=3s
a=0-5.8/3
m=20kg
ma=20X -5.8/3 =38.66666 or 38.6N
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