Answer:
Explanation:
Kinetic energy is given by the following equation:
, where 
is mass in 
and 
is velocity in 
.
Since the cell phone's mass is given in grams, we need to convert this into kilograms:
.
Therefore, the kinetic energy of the cell phone is:
.
The ball should take twice as long to return to its original position as it took to reach its maximum height, so it should return to its original position at 
.
The force must be made over a distance
Answer: When someone experiences doubt, they tend to develop anxiety, in the situation. With something that has an uncertain outcome, they can lose a sense of knowing and control of the results. Being unaware of what could happen can create strong anxiety within a person. Not only this, but general uneasiness can bring anxiety along with panic attacks.
Explanation:
