Forces and Motion Question
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An 1kg object moves along the x-axis according to the function x(t)=mt3+nt2+pt+q, where m,n,p and q are real numbers. If the magnitude of the net force acting at t1=1sis 4 Newtons and at t2=2sis 10 Newtons, what is the magnitude of the force at t3=3s?
- 10 N
- 12 N
- 13 N
- 14 N
- 16 N