Laws Of Motion Question 278

Question: A particle of mass 0.3 kg subject to a force F=kx withk=15N/m . What will be its initial acceleration if it is released from a point 20 cm away from the origin?

Options:

A) 15m/s2

B) 3m/s2

C) 10m/s2

D) 5m/s2

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Mass(m)=0.3kgF=m.a=15x

a=150.3x=1503x=50x

a=50×0.2=10 m/m2



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