Ql: a- Given the time-varying vector B= icost +j3cyt + k 2z² t³ find the first and second time derivatives dB/dt and d'B/dr. b- A particle of mass m moves along a frictionless, horizontal plane with a speed given by v(x) = a/x, where x is its distance from the origin and a is a positive constant. Find the force F(x) to which the particle is subject.
Ql: a- Given the time-varying vector B= icost +j3cyt + k 2z² t³ find the first and second time derivatives dB/dt and d'B/dr. b- A particle of mass m moves along a frictionless, horizontal plane with a speed given by v(x) = a/x, where x is its distance from the origin and a is a positive constant. Find the force F(x) to which the particle is subject.
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Transcribed Image Text:Ql: a- Given the time-varying vector
B= icost +j3cyt + k 2z² t³
find the first and second time derivatives dB/dt and d'B/dr.
b- A particle of mass m moves along a frictionless, horizontal plane with a
speed given by v(x) = a/x, where x is its distance from the origin and a is a
positive constant. Find the force F(x) to which the particle is subject.
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