Questions
A car is moving with uniform acceleration along a straight line between two stops and . Its speed at and are and , Then
detailed solution
Correct option is A
(14)2=(2)2+2as∴2as=192 unitsAt mid point, v2=(2)2+2as2=4+1922=100∴ v=10 m/sXA:AY=1:3XA=14s and AY=34sv12=(2)2+2as4=4+1924=52v1=52≠5 m/s10=2+at1(v=u+at)∴t1=8a14=10+at2∴t2=4a or t1=2t2S1=(2t)+12at2= distance travelled in first halfS2=2(2t)+12a(2t)2S3=S2-S1= distance travelled in second half. We can see that,S1≠S32Talk to our academic expert!
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A ball is dropped from a height of 49 m, the wind blows horizontally and imparts a constant acceleration of 4.90 ms-2 to the ball. Choose the correct statement(s).
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