A spring has a spring constant of 53 N/m. How much elastic potential energy is stored in the spring when it is compressed by 0.21 m?
A. 1.17 J
R 11.1 J
C. 2.33 J
D. 5.57 J

What happens when you slowly pulled the carboard?

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.

You can melt ice by applying pressure because the solid/liquid line has a slope.