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Syllabus

(i) | a cap + b cap | = 2cos theta/2

(ii) | a cap- b cap | = 2sin theta

S

from t = 0, its position varying with time

as x=2t^3-3t^2+1.

(a) At which time instants is its velocity

zero?

(b) What is the velocity when it passes

through origin?

calculate the magnitude of

i) the velocity of the particle at t = 3s

ii) acceleration of the particle at t = 3s

iii)force(F) applied on the particle

Kindly solve the following question..

respectively. How many ergs are equal to one joule ?

t after starting is given by s=15t-0.4t^2.Find the time when the velocity of the body will be 7m/s