Question
A body is moving in a straight line, starting its journey from origin. At any instant, its velocity is given by,K1t(K1−1) when K1 is a constant and t is the time. Find the acceleration of the particle, when it is at a distance s from the origin:
Answer: Option B
:
B
v=K1t(K1−1)=dxdt∫sodx=s=∫K1t(K1−1).dt=t(K1)t=(S)1/K1a=dvdt=K1(K1−1)tK1−2=K1(K1−1)(S)(1−2/K1)
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:
B
v=K1t(K1−1)=dxdt∫sodx=s=∫K1t(K1−1).dt=t(K1)t=(S)1/K1a=dvdt=K1(K1−1)tK1−2=K1(K1−1)(S)(1−2/K1)
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