View the step-by-step solution to:

# Question 13: Tracy (of mass 49 kg) and Tom (of mass 73 kg) are standing at rest in the center of the roller rink, facing each other, free to move.

Question 13:
Tracy (of mass 49 kg) and Tom (of mass
73 kg) are standing at rest in the center of the
roller rink, facing each other, free to move.
Tracy pushes off Tom with her hands and re-
mains in contact with Tom’s hands, applying
a constant force for 0.95 s. Tracy moves 0.5 m
during this time. When she stops pushing off
Tom, she moves at a constant speed.

A)What is her constant acceleration during her time of contact with Tom?

B)What is Tracy’s final speed after this con-
tact?

C)What force was applied to Tracy during
this time?

Solution:
a.) Given, Since, So, the acceleration is, b.) As, and So, the final speed is, c.) As, Tracy’s mass, So, the force applied to the Tracy, and acceleration,

### Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

### -

Educational Resources
• ### -

Study Documents

Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

Browse Documents