A body travels 200 cm in the first 2s and 220 cm in the next 5 sec. calculate the velocity at the end of the seventh second from the start
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Time = t₁ = 2 sec
Time = t₂ = 5 sec
Total time = t₁ + t₂
= 7 sec
Distance traveled = 220 + 200 = 420 cm = 4.2 m
Speed = distance / time
= 4.2 / 7
= 0.6 m/s
Time = t₂ = 5 sec
Total time = t₁ + t₂
= 7 sec
Distance traveled = 220 + 200 = 420 cm = 4.2 m
Speed = distance / time
= 4.2 / 7
= 0.6 m/s
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