Question

a ball rolls off a cliff that is 143m high. Calculate the time it takes for the ball to hit the ground.​

Answer 1

Answer:

Projectile motion is the motion of an object thrown or projected into the air, subject to only the acceleration of gravity. The object is called a projectile, and its path is called its trajectory. The motion of falling objects, as covered in Problem-Solving Basics for One-Dimensional Kinematics, is a simple one-dimensional type of projectile motion in which there is no horizontal movement. In this section, we consider two-dimensional projectile motion, such as that of a football

Answer 2

2as = v2 - u2

2000 = v2

V = 44

V = u + at

44/10 = t

T = 4.4seconds