Use the slope equation to determine the velocity of motion of an object moving as graphed by line segment b on the displacement / time graph

Which of the following correctly describes the early view of catastrophism?

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

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.