After the collision, car 1 has a final velocity of 6m/s south. What is the final velocity of car2? a) 35m/s north
b) 35m/s south
c) 81 m/s north
d) 81 m/s south

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2