Question

Shin

求解

169. A cannon fires a projectile as shown. The dashed line shows the trajectory in the
absence of gravity; points MNOP correspond to the position of the projectiole at one
second intervals. If g = 10 m/s², the lengths X,Y,Z are:
A) 5 m, 10 m, 15 m
B) 5 m, 20 m, 45 m
C)
10 m, 40 m, 90 m
D)
10 m, 20 m, 30 m
E)
0.2 m, 0.8 m, 1.8 m
M