Answer:
137.2J
Explanation:
Ep= mgh
Given,
and we know, g = 9.81 N/kg
Ep= 2 × 9.81 × 7
Ep= 137.2J
The energy that generates wind on an individual basis originates with
one's habitual diet. On a world-wide basis, it comes from the sun.
Answer:
B. The particles that make up material B have more mass than the
particles that make up material A.
Explanation:
Answer:
there is the increase the temperature of cold body and decrease the temperature of hot body
Answer:
It is an example of negative feedback mechanism
Explanation:
Negative feedback mechanism is the process by which the output of a system, process or mechanism is fed back into the input in order to reduce the error in the system.
In the system described in this question, the reabsorption of water is the output, a feedback signal is sent to the control center, which is the input in order to control the release of the hormone responsible for reabsorption of water into the blood.