Which of the following has the greatest impulse? Which has the greatest momentum? a. A 6000 kg elephant charging at a constant velocity of 11 m/s.
b. A 200 gram bullet fired from rest to 300 m/s.
c. A 18,000 kg fire truck parked on the street.

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?