1.

0.A particle ia moving east-wards with a velocity of 4 m/s. In 5 seconds the velocity changes to 3 m/snorthwards. Find the average acceleration in this time interval ?

Answer»

Vi=4i

Vf=3j

Avg acceleration =|(Vf -Vi)|/5

=|3j-4i)|/5=-1/5 m/s2



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