a wet snowball of massm travelling at speed v stricks a true. it sticks to the tree and stops. does this example violant to law of conservation of momentum

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

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?