Relevance. Rating Newest Oldest. Best Answer: Acceleration is a vector quantity [it have both magnitude (size) and direction] since it is the change in velocity over time in with velocity is a vector. As a vector quantity, acceleration is also the rate at which direction changes.Source(s): http://en.wikipedia.org/wiki/Acceleratio...cceleration is defined as the rate of change of velocity. Acceleration is inherently a vector quantity, and an object will have non-zero acceleration if its speed and/or direction is changing..
Dry feet are caused by a lack of moisture in the skin. There are several common factors that can lead to dry feet, including: Excessively hot showers or baths. A skin condition that dries the skin (eczema, psoriasis, etc.) Soaps that are non-moisturizing. Medical conditions such as diabetes or thyroid disease.
The reason the hands and feet sweat excessively is due to a medical condition called hyperhydrosis. Sufferers of this condition have overactive sweat glands in certain areas of their body â in this case primarily in the palms of the hands and the soles of the feet. Palmar Hyperhidrosis. Palmar hyperhidrosis is the medical name for sweaty hands, and the exact cause of this problem is still debatable.