Scientists who study races and their origins are called

A. anthropologists.

B. ethnologists.

C. paleontologists.

D. sociologists.

What are derived quantities? How do we get derived units?

Which object will have the greatest change in electrical energy? (1) an electron moved through a potential difference of 2.0 V (2) a metal sphere with a charge of 1.0 * 10^-9 C moved through a potential difference of 2.

You've been asked to teach a group of fifth-grade students about the electromagnetic spectrum. In your own words, how would you explain the electromagnetic spectrum?

A nail is an example of a double inclined plane. True False

What is the potential energy of a 150 kg diver standing on a diving board that is 10 m high? The potential energy isJ.

Which of the following scientists is incorrectly paired with their major discovery? Henri Becquerel - radioactivity Charles Darwin - theory of evolution James Hutton - rock cycle Charles Lyell - faunal succession

What units are used in the periodic table for atomic mass?

A construction foreman exerts 1300 Newtons of force trying to move a 1200-kg block of concrete. How many Joules of work does he perform?

It takes 9 seconds for a 10 newton force to move an object 4 meters to the right. What are the direction and magnitude of this force? A. The direction is to the right. The magnitude is 9 seconds. B. The direction is 4 meters.

West of a city, a certain eastbound route is straight and makes a steep descent toward the city. The highway has a 14% grade, which means that its slope is - 14 100.