Two 5 kg objects are traveling at 5 m/s to the right and -5m/s to the left. Calculate the impulse of each object. You may label them object #1 and object #2.

Vi. on another planet, a spring with constant 4.7 n/m is set up and allowed to expand verticaly freely. 8.4kg mass is placed on the spring and the spring extends 5.28m. calculate the exected extension on earth.