Find the best solutions to your problems with the help of IDNLearn.com's expert users. Find reliable solutions to your questions quickly and easily with help from our experienced experts.

A soft tennis ball is dropped onto a hard floor from a height of 1.80 m and rebounds to a height of 1.22 m. (Assume that the positive direction is upward.)
Calculate its velocity (in m/s) just before it strikes the floor.