Is the ans. -30m/s2?
The velocity of a particle moving in a straight line is decreasing at the rate of 3m/s per metre of displacement at an instant when the velocity is 10 m/s.Determine the acceleration of the particle at this instant.
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3 Answers
Vivek @ Born this Way
·2012-05-31 02:45:05
Yes it is correct. We have dv/ds = -3 m/s and ds/dt = 10 m/s
hence a = dv/dt = dv/ds * ds/dt = -30 m/s2
Anik Chatterjee
·2012-05-31 02:48:14
ya ya got it thanks....-30m/s2 is correct.....got it by (a=vdvds)...