Which of the following statements are true.
A. Conductors consist of metals, like silver, copper, iron. Insulators consist of nonmetals like wood, plastic, wool.
B. Conductors consist of nonmetals like wool, wood, plastic. Insulators consist of metals like silver, copper, iron.
C. Conductors consist of nonmetals like wood, gold, steel. Insulators consist of metals like plastic, wood, silver.

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Which of the following is an example of units for speed

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue