Which of the vectors in the graph below is the negative of the vector v? A. b
b. a
C. c
D. d

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

A10-kg isto a of 10 m at aa0.9 kg/m.30 kg of ,at aas10-m .. ( 9.8 m/s2 g.)

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?