A projectile is launched from ground level at 100m/s at an angle of 45.0 degrees above the horizantal, and it is subject only to gravity.
a)find the time the rocket reaches the peak height of it trajectory.
b)the horizontal range of the rocket from the launch point.
c)the maximum height above the ground the rocket reaches.
d)the horizontal speed of the rocket at the top of it trajectory.
e)The vertical speed of the rocket at the top of its trajectory.