Question

Travels 20 cm in the first 0.2 seconds and 22 cm in the next 0.4 second what will the will it will be the velocity at the end of the 0.7 second of from start

Answer 1

Answer:

7m/s

Explanation:

At point of initial velocity be 0 mper sec.. acceleration be 22-20/.2= 10m/s' 2

Now, v= u+at we have v= 0+10×.7=7m/s

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