NEED HELP ON THIS ASAP!!

You throw a baseball directly upward at time t = 0 at an initial speed of 12.3 m/s. what is the maximum height the ball reaches above where it leaves your hand? at what times does the ball pass through half the maximum height? ignore air resistance and take g = 9.80 m/s2.

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration