a body travelled 200 cm in 2 seconds and 220cm in next 5 seconds. find velocity in 7 secondsa
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Answer:
total distance : 200 cm + 220 cm= 420cm
Total time: 5 s + 2s= 7s
Velocity = distance / time
= 420/7
= 60 m/s
Answered by
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average velocity=total distance travelled by total time taken
° average velocity= 200+220/5+2= 420/7 =
60 cm/s
so the average velocity in 7 second will be 60 cm/s
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