Answer:
the time of motion of the ball is 6.89 ms.
Explanation:
Given;
angular speed, ω = 38 rad/s
angular distance, θ = 15 degrees
Angular distance in radian;

Time of motion is calculated as;

Therefore, the time of motion of the ball is 6.89 ms.
Answer:
there is the increase the temperature of cold body and decrease the temperature of hot body
Answer: You could dissolve it by heating it back up, then just cooling it down again.
Hope that helps!