A particle of mass 0.3 kg is subjected to a force \[F=-\text{ }kx\]with\[k=15\text{ }N/m.\]What will be its initial acceleration, if it is released from a point 20 cm away from the origin?
AIEEE Solved Paper-2005
A)\[3\text{ }m/{{s}^{2}}\]
B) \[15\text{ }m/{{s}^{2}}\]
C) \[5\text{ }m/{{s}^{2}}\]
D) \[\text{10 }m/{{s}^{2}}\]
Correct Answer:
D
Solution :
Given, and As ...(i) and ...(ii) [from Eqs. (i) and (ii)] or Initial acceleration