The engine of a truck moving a straight road delivers constant power. The distance travelled by the truck in time t is proportional to
A. t B. t 2 C. vt D. t^3/2
abhishek singh
12 Years agoGrade
1 Answer
Pratyay Amrit
12 Years ago
P=`Fv
=>mav=k(some constant)
=>m(dv/dt)v=k
=>v=(t^1/2)*c(some other constant)
=>dx/dt=(t^1/2)*c
=>x=t^3/2*a(some other contant)
Thus, answer is (d)
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