An object is shot 8 m/s horizontally from a 7m tall cliff. How far away does it land?

Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?