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.
1 Small blood vessels in the skin of hands and feet and prevent normal blood movements. Icy hands and feet are the result.  Raynaudâs Disease or blood vessels in the hands and feet overacting to cold temperatures or stressful situations are a major cause of freezing hands and feet.