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CBSE Class 11-science Answered

What will be the distance traversed in 4 seconds in question 7 ??

Asked by arunavamitra50 | 16 Jun, 2018, 10:08: AM
Expert Answer
for a small displacement ds in a time dt, velocity is defined as
 
ds/dt = v(t) or ds = v(t) dt
 
displacment S from t=0 to t=4 is given by begin mathsize 12px style integral subscript 0 superscript 4 v left parenthesis t right parenthesis d t space equals space k squared integral subscript 0 superscript 4 t to the power of bevelled 3 over 2 end exponent d t space equals space 2 cross times 64 over 5 equals space 25.6 space m end style
Answered by Thiyagarajan K | 16 Jun, 2018, 11:21: AM
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