A baseball is thrown at 30° above the horizontal with a speed of 49.0 m/s. a) Determine the x and y components of the velocity along the trajectory.
b) How long does it take for the ball to reach its maximum height?
c) What is the maximum height?
d) How long is the baseball in the air?
e) What is the maximum range of the baseball?

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.