Which of the following bonds strength ranks in the correct order? A. S-S < K-K < K-S
B. Mg-Mg < O-O < Mg-O
C. H-H < Ca-H < Ca-Ca
D. Na-Na < Na-Br < Br-Br

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.

If a rock weighing 54 n is submerged in a liquid with a density exactly twice that of water, what will be its new apparent weight reading in the liquid?