What is the net work done on the 20kg block while it moves the 4 meters?

A. 240J

B. - 200J

C. 120J

D. 0J

What could be done to change this carbide ion to a neutral carbon atom? remove 2 electrons add 2 electrons remove 4 electrons add 4 electrons

Find the volume of a sphere that has a radius of 2 cm. 8 cm³ 12.6 cm³ 61.2 cm³ 25 cm³ 33.5 cm³

What do fire investigators begin their search with?

How do u convert 3.5mol to umol

Since protons (p*) with a positive charge and neutrons (nº) without a charge are located in the nucleus, what is the overall charge of the nucleus portion of an atom: positive, negative, or no charge at all? Explain.

Whats a similarity between distance and displacement

What is the difference between analog and digital sound transmission?

A 20 kilogram ball rolls down a 10 meter ramp at the rate of 15 meters per second.

Why does the falling speed of a ball keeps increasing every second when it is dropped from a building?

In your own words describe an interaction between the chromosphere and the hydrosphere