Tracy (of mass 53 kg) and Tom (of mass 77 kg) are standingatrest in the center of the roller rink, facing each other, freetomove. Tracy pushes off Tom with her hands, and remains incontactwith Tom's hands, applying a constant force for 0.7s. Tracymoves0.45m during this time. When she stops pushing off Tom, shemovesat a constant speed.
a) What is Tracy's constantaccelerationduring her time of contact with Tom?
b) What is Tracy's final speed afterthiscontact?
c) What is correct about Tom's motion?
1. The force acting onTomis greater than the force acting on Tracy.
2. Tom's accelerationissmaller.
3. Tom's accelerationisgreater.
4. Toms final velocityisgreater than Tracy's.