What net force is necessary to give a 2 kg mass that is initially at rest an acceleration of 5 m/s^2? (2 points)

0.4 n

3 n

7 n

10 n

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

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.

The topics covered by the study of thermodynamics include a. energy changes during heating. b. energy changes during chemical reactions. c. color changes during chemical reactions. d. both (a) and (b)