Scientific endeavor should always be pursued, regardless of the known trade offs associated with the research. true or false.?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.

Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers total displacement?