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# Tennis ball trajectory watch

1. I am doing my mathematical investigation on this
Yesterday while I was perusing through internet I saw that this has already been done
How can I still do this topic and make it more inovative
2. (Original post by BioOx)
I am doing my mathematical investigation on this
Yesterday while I was perusing through internet I saw that this has already been done
How can I still do this topic and make it more inovative
Projectiles are very well understood for obvious reasons. It is therefore unlikely you will be able to find some aspect of this topic that has not already been explored in some depth.
3. (Original post by Mr M)
Projectiles are very well understood for obvious reasons. It is therefore unlikely you will be able to find some aspect of this topic that has not already been explored in some depth.
Lets say that I have the model for the projectile motion
What can I the explore and add something personal there
I though about comparing backhand and forehand trajectories but I do not know how!?
4. (Original post by BioOx)
Lets say that I have the model for the projectile motion
What can I the explore and add something personal there
I though about comparing backhand and forehand trajectories but I do not know how!?
As you don't seem to want to look at air resistance any more, I think you are going to end up looking at impulse and spin and you may well end up with a physics project rather than a mathematics project. If you Google the Magnus Effect, you will see that the effect of spin on tennis balls in flight is also well understood.
5. (Original post by Mr M)
As you don't seem to want to look at air resistance any more, I think you are going to end up looking at impulse and spin and you may well end up with a physics project rather than a mathematics project. If you Google the Magnus Effect, you will see that the effect of spin on tennis balls in flight is also well understood.
Yeah my teacher expressed his concern that this might end up as a physics project....How can I make it mathematical
6. (Original post by BioOx)
Yeah my teacher expressed his concern that this might end up as a physics project....How can I make it mathematical
I honestly think you're going to struggle, certainly if you don't want to consider things like air-resistance.

I know there's a STEP question about a tennis serve, (something about serving angles to get the ball over the net and still hit inside the service box), but although it's a bit beyond a typical A-level question it's not really enough for a full project.

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