Question

An object starts from rest 8 travels with an acceleration of 5mls; what will be the velocity after 3 second
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Answer 1

Explanation :

♦ Object is Start from rest = u = 0

♦ Acceleration = 5 m/s²

♦ Time travelled = 3 sec,

According to Newton's first law,

Final velocity is obtained by :

V = u + at

V = 0 + 5 × 3. ( u = initial speed= 0)

V = 15 m/s

so we get final velocity V = 15 m/s

Answer 2

Answer:

According to Newton's first law ,

Final velocity is obtained by :-

V = u + at

V = 0 + 5 × 3. ( u = initial speed= 0)

V = 15 m/s

Explanation: