Alex tested a substance that has a pH of 2. Which of the following could alex have tested? A) base B) salt C) water D) acid

A subway train is designed with a maximum acceleration of + 0.20 m/s^2 which allows for both passenger safety and comfort. a. If subway stations are 1.2 km apart, what is the maximum velocity that can be obtained between stations? b.

A car accelerates from 30 ft/s to 90 ft / sec in 6 seconds

Maxwell shoots a rubber band at his friend Jimmy. Which type of energy is converted into kinetic energy? A) elastic potential energy B) nuclear potential energy C) chemical potential energy D) gravitational potential energy

Which factors affect the electrical force between two objects? mass and distance between them charge and distance between them mass and electric field strength charge and mass

1. What is the inductance of a series RL circuit in which R = 1.0 K ohm if the current increases to one-third of its final value in 30 micro s?

If the volume of a container increases, then the pressure will: A. first increase and then decrease. B. increase. C. stay the same. D. decrease.

How does the theory of natural selection explain the diversity of life?

What law states that when matter undergoes a physical or chemical change, no atoms are created or destroyed?

Which statement would be a valid argument in favor of using nuclear power? There are few negative impacts from mining the fuel. Reactors are safe from natural disasters. There are little to no waste products from fission.

How would you convince somebody that the momentum of an isolated system is constant?