A 55.0-kg woman leaps vertically into the air from a crouching position in which her center of mass is 40.0 cm above the ground. As her feet leave the floor her center of mass is 90.0 cm above the ground and rises to 120 cm at the top of her leap. (a) What upward force, assumed constant, does the ground exert on her? (b) What maximum speed does she attain?

Amit Saxena , 9 Years ago

Grade upto college level