2. Two skateboarders. Jess and Tony, face each other on their skateboards and are initially at rest. Tony has 1.5 times as much mass as Jess. Tony pushes in the positive x direction on Jess's back with a force F, causing Jess to start moving away from Tony. What is the magnitude and direction of Jess’ acceleration? What is Tony's acceleration?

Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.