In table tennis returning to serve takes quick movement that combines balance coronation costume rations for player need some coaching on technique to become better at returning serves one suggestion might be
Hold the paddle arm lower for faster reaction time
Keep the knees bent for agile movement to occur
Stand perpendicular to the net
Start with the paddle in the non-dominant hand

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct