Velocity example, a car moving at a constant 20 kilometres per hour in a circular path has a constant speed, but does not have a constant velocity because its direction changes. Hence, the car is considered to be undergoing an acceleration. Speed describes only how fast an object is moving, whereas velocity gives both how fast it is and in which direction the object is moving. If a car is said to travel at 60 km/h, its speed has been specified. However, if the car is said to move at 60 km/h to the north, its velocity has now been specified.
What Must Be Said "After we denounce the exaggeration, after we shake off the unjustified part of the charge, we must listen to these great people. They are not anti-Semites, they are expressing the opinion of many people. Instead of accusing them we should consider what we did that led them to express it. In the same newspaper, Anshel Pfeffer argued that: "Logic and reason are useless when a highly intelligent man, a Nobel laureate no less, does not understand that his membership in an organization that planned and carried out the wholesale genocide of millions of Jews disqualifies him from criticizing the descendants