Speed is a scalar quantity that measures how fast an object is moving, while velocity is a vector quantity that not only measures the speed of an object, but also its direction of motion. In other words, speed tells us how fast an object is going, while velocity tells us how fast and in what direction it is going.
Acceleration is the rate of change of velocity over time. When a ball is thrown, it experiences a change in velocity as it goes from rest to a certain speed and direction. This change in velocity is what we call acceleration.
The speed of a thrown ball is affected by three main factors: the initial force applied to the ball, the angle at which it is thrown, and the air resistance acting on the ball. The stronger the initial force and the smaller the angle of throw, the faster the ball will travel. Air resistance, on the other hand, will slow down the ball's speed.
Yes, a thrown ball can have a constant speed and changing velocity if it is thrown in a circular motion. In this case, the ball's speed remains constant, but its velocity changes because it is constantly changing direction.
Understanding the physics of thrown balls can help us analyze and predict the motion of objects in sports, such as baseballs, footballs, and basketballs. It can also be applied in engineering and design, such as in the development of vehicles and projectiles.