Astarship voyages to a distant planet 10 ly away. the explorers stay 3.0 yr , return at the same speed, and arrive back on earth 26 yr after they left. assume that the time needed to accelerate and decelerate is negligible. a what is the speed of the starship? b. how much time has elapsed on the astronauts' chronometers? answer in years.

If an object with an initial temperature of 300 k increases its temperature by 1°c every minute, by how many degrees fahrenheit will its temperature have increased in 10 minutes? (a) 6°f (b) 10°f (c) 18°f (d) 30°f

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?