The purpose of my experiment is to see if I throw the ball 3 times on the wall at different speeds how fast it will come back to me.
The independent variable is trying to see how fast will the ball come back to me each time I throw it. The dependent variable is how many seconds will each ball come back to me when I throw it.
If I throw 1 ball 3 times at different forces then the ball will come back to me at different speeds this will happen because every action has a equal and opposite reaction, so the more force I use to throw the ball the faster it comes back to me.
To do this experiment the materials you will need is:-A tennis ball-An empty wall maybe not fully empty but empty enough to be able to throw a ball on it
Step 1: Go grab a ballStep 2: Find a wall that's mostly empty (has no paintings, tables, and etc.)Step 3: Go on your knees, and be at least 2 feet (24 inches) away from the wallStep 4: Throw the ball lightly on the wall but hard enough for the ball to bounce off the wall and come back to you
What I noticed is that the harder I threw my yellow tennis ball the less time it took for the ball to come back to me. The first time I threw the ball it came to me in 1 second. The second time I threw the ball it came back to me in half a second. The third time I threw the ball it came back to me in less than half a second.
I have now figured out that the more force I use to throw the ball the less time it takes for it to come back.
Step 5: Throw the ball again but at a harder force. Step 6: Throw the ball harder than you threw it before
I also think that how fast the ball comes back to me depends on what ball your using . Like if you using a hard bouncy ball like me for this experiment I think it will come back to you quicker, but if you have a soft less bouncier ball I think it will come to you slower. However, this experiment is not about which ball your are using.