Question

short answer questions：

4. Motion of a Tossed Ball

Describe the motion of a tossed ball in terms of its velocity and acceleration throughout its travel. Keep in mind up is positive and down is negative, gravity always acts down towards the Earth.

Answer 1

when we toss a ball, there are three phases of its path

During upward motion

when ball projected upward, velocity of the ball is considered positive as it is moving upward and Acceleration is acting downward, so it must be negative.

at highest point

it is an instantaneous point at the top of its trajectory. Velocity of the object is zero and Acceleration of the object is still to the downwards (negative).

During downward motion

during this motion both Acceleration and velocity is in downward direction (negative). ==========

do comment in case any doubt, will reply for sure. Goodluck