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Two point charges Q1= -25uC and Q2= 50uC are separated by a distsance of 12cm the electric field at the point P is zero how far from Q1 is P?

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    an object moves to x(t)=5-3t+t^3. at t=4s the onjects' velocity is: a. 57 m/s b. 50 m/s c. 45 m/s d. 24 m/s

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    1.6

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