Answer:
4. All of the above
Explanation:
The purpose of striking the ball in a volleyball game:
From the serve you could state that you need to place the ball in motion.
When returning a shot of, you normally want to change the direction of the ball's motion.
During a dropshot, you purposely want to slow down the ball's motion.
The correct answer must be all of the above.
♥ Convection.
♥ Conduction.
♥ Radiation.
♥ ( お力になれて、嬉しいです!) ♥
Answer:0.6kw
Power=force×velocity
Power=20×30=600w
In kw it's going to be 600/1000=0.6kw