1.

A particle of mass 0.3 kg is subjected to a force F = Kx with K = 15 N/m, what will be its acceleration if it is released from a point x = 20 cm. (1) 1 m/s2 (2) 10 m/s2(3) 100 m/s2 (4) 0.1 m/s2

Answer»

(2) 10 m/s2

F = kx = 15 × 0.2 = 3 N

a = F / m = 3 / 0.3 = 10 m/s2



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