A projectile is launched with an initial velocity of 30 ms-1 at an angle of 60º above the horizontal. Calculate the magnitude and direction of its velocity 5.0s after launch.[Ans: 27 ms-1 , 57º below the horizontal]​

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis