You are obviously not familiar with the game of Baseball, so let me try and explain. The baseball bat is held both, and gripped similarly to the way you would grip an axe or shovel. The pitcher then pitches the ball, and the batter swings the bat in an attempt to strike the ball and put it into play.
In the simplest terms, striking is hitting the ball.
it is the striking batsman who ran
The batter swinging the bat.
Which of what ? There's no list of choices, no examples, no suggestions, nothing to choose from.
Yes
Striking the ball with the foot.
No, but swinging the bat is a lever.
Astronomically, you only get smaller masses orbiting larger ones - try imagining a tennis ball on the end of a string, with you swinging the tennis ball around. Now imagine the tennis ball swinging you!
Astronomically, you only get smaller masses orbiting larger ones - try imagining a tennis ball on the end of a string, with you swinging the tennis ball around. Now imagine the tennis ball swinging you!
the purpose is to change the ball's speed
The centripetal force acting on a tether ball swinging around a pole is provided by the tension in the tether. This force is directed towards the center of the circular path the ball is following and is necessary to keep the ball in its circular motion.
No. It is an example of kinetic energy.