The position vector of a particle is given as 1 = 4/3 t^(3/2) i- (t^2)/2 j +2t , t is time in sec.
(a) find the magnitude of rate of change of velocity at t = 1 sec.
(b) find the distance travelled between t= 0 and t = 5 sec
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the process by which green plants prepare their own food with the help of air water and sunlight is known as photosynthesis.
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