ICSE Class 7 Answered
A cyclist is travelling at 20m/s,is accelerating at4 m/s2,what isit's velocity after 5 seconds ??
Asked by sanjananuthakki555 | 18 Aug, 2020, 12:21: PM
Expert Answer
v =?
t=5 s
u = 20 m/s
a = 4m/s2
a = (v-u)/t
4 =(v-20)/5
4×5 = v - 20
20 + 20 = v
Thus, v = 40 m/s
Thus, velocity after 5 seconds is 40 m/s
Answered by Shiwani Sawant | 18 Aug, 2020, 12:37: PM
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