cat21
This page lists questions and answers that were posted by visitors named cat21.
Questions
The following questions were asked by visitors named cat21.
The world's fastest humans can reach speeds of about 11 m/s. In order to increase his gravitational potential energy by an amount equal to his kinetic energy at full speed, how high would such a sprinter need to climb? How do you set this up?
14 years ago
An ice hockey puck slides along the ice at 12 m/s. A hockey stick delivers an impulse of 4.0 kg*m/s causing the puck to move off in the opposite direction with the same speed. What is the mass of the puck? I tried all sorts of ways to set this up and I ju...
14 years ago
Answers
The following answers were posted by visitors named cat21.