A particle oscillates between the points x=40mm "and"x=160mmwith an aceleration a=k(100-x), where k is a constant . The velocity of the particle is 18 m m//s when x=100 mm and is zero at both x=40 mm and x=160mm. Determine (a) the value of k (b) the velocity when x=120mm.

A particle oscillates between the points x=40mm "and"x=160mmwith an ac

1.	A particle oscillates between the points x=40mm "and"x=160mmwith an aceleration a=k(100-x), where k is a constant . The velocity of the particle is 18 m m//s when x=100 mm and is zero at both x=40 mm and x=160mm. Determine (a) the value of k (b) the velocity when x=120mm.
Answer» ANSWER :`0.09s^(-2)`(B)`+-16.97 mm//s`