Once the ball leaves the racquet, it becomes a projectile. The ball is initially hit at an angle of 18º above the horizontal, and therefore the ball starts to rise. However, since the ball still has gravity acting upon it, at a certain point it will lose all upwards (positive) velocity and start to gain downward (negative) velocity, which means it will start to fall.
One part of projectile motion in a tennis serve is how high up in the air your racquet makes contact with the ball or what angle you hit the ball at. In any tennis serve the optimal height to hit the ball at is as high as you can reach it with your racquet, which for most professional tennis players is around 3 meters off the ground (biomechanics blog).
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Projectile motion in relation to tennis
A tennis player hits a ball 2.0 m above the ground. The ball leaves his racquet with a speed of 20.0 m/s at and angle of 5 degrees above the horizontal. The horizontal distance to the net is 7.0 m, and the net is 1.0 m high.
September 11, 2011. This weekend as I went to tennis practice and watched the US Open, I envisioned the projectile motion of the tennis ball traveling through the air. The tennis ball travels in a parabolic path as it travels over the net. It has a constant horizontal velocity and 0 horizontal acceleration. Gravity acts as a force on the tennis ball in the vertical direction.
More Tennis Projectile images
A tennis player serves in a match.He hits the tennis ball so that it flies off the racket with a velocity of 50m/s at 10° to the horizontal. Sx=11m. Sy=2.4 - 1.07 = 1.33m. ux=50cos10°. uy=50sin10°.
Calculating Projectile Motion: Tennis Player. A tennis player wins a match at Arthur Ashe stadium and hits a ball into the stands at 30 m/s and at an angle [latex]45^\circ[/latex] above the horizontal . On its way down, the ball is caught by a spectator 10 m above the point where the ball was hit.
What do tennis and basket balls have in common with kangaroos? The ball or body is in motion through the air, the only forces acting on it being its weight and the resistance to its motion due to the air. A motion like this is called a projectile motion and is very common especially in sport, for example basketball and tennis.