A vector is a quantity which has direction as well as magnitude.
Vector quantities
Vectors are quantities that are fully described by both a magnitude and a direction
Velocity
The rate of change of displacement with respect to time.
venomous
capable of injecting venom by means of a bite or sting
Virus
A microorganism that is smaller than a bacterium that cannot grow or reproduce apart from a living cell. A virus invades living cells and uses their chemical machinery to keep itself alive and to replicate itself.
Viruses
Infective agents that typically consist of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Visual Pollution
An aesthetic issue and refers to the impacts of pollution that impair one's ability to enjoy a vista or view. Visual pollution disturbs the visual areas of people by creating negative changes in the natural environment. Examples could include: the presence of overhead power lines, motorway billboards, scarred landforms , open storage of trash, and municipal solid waste .
Waste
Garbage, trash, rubbish
Water Pollution
Water pollution is the contamination of water bodies such as lakes, rivers, and oceans.
Watt
A unit of power . Rate of working of 1 Joule per second.
Western Diamondback
A venomous rattlesnake species found in the United States and Mexico.
Wilderness
Land remaining in an undisturbed condition, with few if any traces of human activities.
Wildlife
Animals living in the wilderness without human intervention
Wind Power
Power (energy per second) derived from the wind .
Zero Error
Any indication that a measuring system gives a false reading when the true value of a measured quantity is zero, eg the needle on an ammeter failing to return to zero when no current flows.
A zero error may result in a systematic uncertainty.
