194k views
0 votes
A sledder is at rest atop a 5.0-m high hill. She’s texting and doesn’t realize her sled starting to slip, moving her to the bottom, and then up to the top of the adjacent 3.0-m high hill. How fast is the she going at point (B)? Ignore friction. (round to the nearest hundreth; use g=10m/s^2).

User Dabo
by
3.4k points

1 Answer

3 votes

Answer: V = 7.75m/s

Step-by-step explanation:

In this problem, we will consider conservation of energy where gravitational potential energy is converted into kinetic energy.

Please find the attached file for the solution.

A sledder is at rest atop a 5.0-m high hill. She’s texting and doesn’t realize her-example-1
User Chaitanya Chitturi
by
3.0k points