An electron changes its velocity from 100m/s towards south to 100m/s towards west in 0.1 seconds.
The average acceleration is given by?
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UP 0 DOWN 0 0 2
2 Answers
1change in vel=final vel - initial vel
= -100i - (-100j)
= -100i+100j
thus the change in vel is √(1002+1002)=100√2 in a direction 45°W of North.
acc=(change in vel)/time=100√2/0.1=1000√2 in direction 45°W of North