k e is energy of movement. When thing solidifies, atoms stop moving ke is less.
Answer:
D. Output force
Explanation:
The input force is the effort used to run the machine and this results in an output force.
Answer:
20 hertz of frequency produced.
Explanation:

Here we will find frequency and period should be in second, here given: 0.05 seconds
using the formula:


A day which in this case is longer than a year