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.
Along with painful mouth sores, hand, foot and mouth disease causes fever and a rash on both the hands and the feet. Hand, foot and mouth is due to a virus that lives in the intestines, and it is very contagious, said William Schaffner, an infectious diseases specialist at Vanderbilt University. He noted that late summer and early fall are when enteroviruses -- those related to the intestines -- seem to spread readily.