Petter performed an experiment to test which of the three compounds his teacher game him was an ionic compound. Which compound (A, B, or C) is most likely an ionic compound?

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. the scale reads 830 n for the first 2.4 s after the elevator starts moving, then 930 n for the next 2.4 s. part a what is the elevator's speed 4.8 s after starting? express your answer with the appropriate units.

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?