The cartesian coordinates of a point in the xy plane are x = −6.46 m, y = −3.78 m. Find the distance r from the point to the origin. Answer in units of m.

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Scientists and engineers design new technologies to solve problems. often, a new technological design will contain a flaw. which of the following is true about such a flaw? a. it should be studied so that the design can be fixed or a new design can be proposed. b. it means that the problem being investigated cannot be solved. c. it means that the people who proposed the design should not be scientists or engineers. d. it makes the technological design useless.

In which section of nuclear fussion occura. reactor vesselb. heat exchangerc. condenserd. cooling tower