Best Answer: Today, the national average for the diamonds chosen for engagement rings with regard to carat weight is 0.38 carats. In general, the carat weight averages of engagement ring diamonds are increasing.
Now have you ever wondered what is up with tennis players and the noises they make when hitting the ball back and forth. Well, they have every right to make these noises. Venus Williams served the world's fastest tennis ball among women which was clocked at 56.95 m/s (127.4 mph). That's twice the speed limit on a regular highway in New York City. Tilden holds the title of World's fastest tennis ball served among men with a speed of 73.14 m/s (163.6 mph).
Tennis players learning how to hit a kick serve should first learn the technique behind this shot. Learning a proper tennis kick serve involves correct technique, placement and accuracy. Players learning how to hit a kick serve must learn the proper tennis technique in order to execute this shot. Most tennis players want to learn how to hit a kick serve, because they understand the inherent advantages of possessing a kick serve that bounces high and away from the returner.