Object A has a position as a function of time given by A(t) = (3.00 m/s)t ˆı + (1.00 m/s2 )t2 ˆ. Object B has a position as a function of time given by B(t) = (4.00 m/s)t ˆı + (-1.00 m/s2 )t2 ˆ. All quantities are SI units. What is the distance between object A and object B at time t = 3.00 s?

Along wire carrying a 4.2 a current perpendicular to the xy-plane intersects the x-axis at x=−1.7cm. a second, parallel wire carrying a 3.0 a current intersects the x-axis at x=+1.7cm. part a at what point on the x-axis is the magnetic field zero if the two currents are in the same direction? express your answer to two significant figures and include the appropriate units.

Why are nonmetals more likely to react with eachother by sharing electrons

If a rock is thrown upward on the planet mars with a velocity of 10 mys, its height in meters t seconds later is given by y − 10t 2 1.86t 2 . (a) find the average velocity over the given time intervals: (i) [1, 2] (ii) [1, 1.5] (iii) [1, 1.1] (iv) [1, 1.01] (v) [1, 1.001] (b) estimate the instantaneous velocity when t − 1.