Q1. A .3kg baseball travelling at 48 m/s approaches a waiting batter. When the ball is hit, its back, sailing away at 80 m/s. conclude the magnitudes of its initial and final moment?
Q2. Mars Rover When the Mars rover was deployed on the surface of Mars in July 1998, radio signals took about 14 {rm min} to travel from Earth to the rover. How far was Mars from Earth at that time?
Q3. A moth at about eye level is 13 cm in front of a plane mirror; you are behind the moth, 28 cm from the mirror. For what distance should you focus your eyes to see the image of the moth in the mirror; that is, what is the distance between the eyes and the apparent position of image?