Assertion: racket's string | /r/CapableOf | return more energy
Facets:
Source sentences:
text: The strings and the ball both rebound quickly enough to return much of their energy, so at a given impact speed between ball and frame, a stiffer racquet, which keeps more energy in the strings and the ball, returns more energy in the form of outgoing ball speed.
text: The strings and the ball both rebound quickly enough to return much of their energy, so at a given impact speed between ball and frame, a stiffer racquet, which keeps more energy in the strings and the ball, returns more energy in the form of outgoing ball speed.