[填空题]
A projectile is shot fr:jd/dt2 uvrg* om ea0h 9bj/ 9 mfuk1;8g wcb6rjjthe edge of a cliff 125 m above ground level with an initial speed of at an angle of 37.0º with the horizontal,1a9k0hjj m8 9cgbbju6/fr ;ew as shown in Fig. below.
(a) Determine the time taken by the projectile to hit point P at ground level.
(b) Determine the range X of the projectile as measured from the base of the cliff. At the instant just before the projectile hits point P, find
(c) the horizontal and the vertical components of its velocity,
(d) the magnitude of the velocity, and
(e) the angle made by the velocity vector with the horizontal. $^{\circ}$ below the horizon
(f) Find the maximum height above the cliff top reached by the projectile.
