Velma passes mort at a speed of 0.75c. at this speed, the "time dilation factor" is 1.5. in other words, mort observes a 1-second tick of velma's clock to take 1.5 seconds. suppose that they are born at the same time, and that velma observes herself to live 30 years. according to mort's observations, how old is he when velma dies

The statement defines the use of ethics.

What is the main goal of recommended dietary allowances (rdas)? to inspect school cafeterias across the united states to regulate foods sold at supermarkets and farmers' markets to investigate claims of tainted food being served in restaurants to indicate daily nutrient requirements

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.