What would a Munsell scale be used for

A) characterizing soil color

B) identifying mineral composition in soil samples

C) measuring soil density

D) identifying soil particle size

What happens to the period of a pendulum and the period of a spring as the amplitude of the oscillation increases? Briefly give an explanation for this relationship.

Compared to radio waves, ultraviolet rays have relatively

A hanging chair is suspended on a spring from the ceiling. The 5880 N/m spring stretches from 15 cm long to 25 cm long when you sit in the chair. How hard is the spring pulling to lift you?

A student is pushing a box across the room. To push the box three times farther, the student needs to do how much work?

Consider three identical metal spheres, a, b, and c. sphere a carries a charge of + 5q. sphere b carries a charge of - q. sphere c carries no net charge. spheres a and b are touched together and then separated.

What was the second weather condition that made it a struggle for some finches to survive

Tidal-power-generating facilities are common worldwide. True False

How do mountins building and volcanos relate to plate motion at convergent boundaries

A 20kg box is dropped 13m. how much work is done

Suppose a person whose mass is m is being held up against the wall with a constant tangential velocity v greater than the minimum necessary. Find the magnitude of the frictional force between the person and the wall