Answer:
500 J
Explanation:
Emechanical=U+K,i.e., the mechanical energy Emechanical is the sum of the potential energy U and kinetic energy K.
So, the object has a mechanical energy of 200+300=500 J.
Answer: True
Explanation:
Confessions which are taken after the lengthy interrogations during the incommunicado detention have been considered as involuntary.
This is because in this case the person is put into much pressure that his only wish is to escape of the situation anyhow.
The concerned person is not allowed to meet his family, interdependent physician and he is not even allowed to tell any body about his arrest.
In this case the confessions taken are not considered voluntary.
20.4 21.3 are the correct answers
It compares to ours because we mostly the same blood cells
