10. The velocity of a body moving a...
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10. The velocity of a body moving along a straight line with uniform acceleration 'a' reduces by 3/4 of its initial velocity in time t. The total time of motion of the body till its velocity becomes zero is mi coton W01

NEET/Medical Exams
Physics
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Lut initial Velocity be ( u ), Rinal velocity ( =(1-3 / 4) u=44 u ) [ begin{array}{l}=u+a t=frac{u}{u}=u+a t_{0} quad lambdaend{array} ] ofinal Vubcity is o at t [ begin{aligned} therefore quad O=& l_{t}+a t Rightarrow quad c=left(frac{3 u}{4 t_{0}}right) t=0 & Rightarrow t=frac{4}{3} t_{0} end{aligned} ]
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