a) A projectile launcher is set up in lab at a height of 1.05 meters above the lab floor. A projectile is launched with an initial speed of 1.07 m/s at an angle of 49 degrees above horizontal. What is the horizontal distance which the projectile travels before it hits the ground?
b) A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37.0o above the horizontal. If the mass of the box and the books is 40.0 kg, what is the normal force on the box?
c) Question 6 In the 2008 Summer Olympics, Michael Phelps won the 100-m butterfly swim in a time of 50.58 seconds. The second place swimmer, Milorad C%u030Cavic%u0301, finished with a time of 50.59 seconds. Based on this information, how far ahead of C%u030Cavic%u0301 was Phelps when Phelps finished the race? answer it in CM