Basic Biomechanics 7th Edition by Susan Hall

تمرين 8

A 50 kg person performs a maximal vertical jump with an initial velocity of 2 m/s. (a) What is the performer's maximum kinetic energy during the jump? (b) What is the performer's maximum potential energy during the jump? (c) What is the performer's minimum kinetic energy during the jump? (d) How much is the performer's center of mass elevated during the jump? (a. 100 J, b. 100 J, c. 0, d. 20 cm)