[" Q.11The motion of a particle is described by the equation "],[x=a+bt^(2)" where "a=15cm" and "b=3cm/s^(2)." Its instanta- "],[" neous velocity at time "3" sec will be "-],[[" (A) "36cm/sec," (B) "18cm/sec(C)16cm/scc(D),32cm/sec]]

The motion of a particle is described by the equation x = a+bt^(2) where a = 15 cm and b = 3 cm//s . Its instantaneous velocity at time 3 sec will be

The motion of a particle is described by the equation x = a+bt^(2) where a = 15 cm and b = 3 cm//s . Its instantaneous velocity at time 3 sec will be

The motion of a particle is described by the equation x = a+bt^(2) where a = 15 cm and b = 3 cm//s^2 . Its instantaneous velocity at time 3 sec will be

The motion of a particle is described by the equation x = at^(2) + bt^(3) where a = 15 cm and b = 3 cm//s^2 . Its instantaneous velocity at time 5 sec will be

The motion of a particle along x-axis is given by equation x = 9+ 5t^2 , where x is the distance in cm and t is time in second. Find instantaneous velocity after 3 seconds

The motion of a particle is described as S =2-3t+4t^(3) what is the acceleration of the paricle at the point where its velocity is zero ?

[" 14.If the particle is moving along a straight line "],[" given by the relation "x=2-3t+4t^(3)" where "s" is "],[" in cms.,and "t" in sec.Its average velocity "],[" during the third sec is "],[[" 1) "73cm/s," 2) "80cm/s],[" 3) "85cm/s," 4) "90cm/s]]