Help help i need help pls A freight train initially moving at +10m/s decelerates at a rate of -0.1m/s^2. How far does it move in 30 seconds?

Which of the following describes silver? a. a material that has a high resistance and prevents charges from moving freely b. a material that has a low resistance and allows charges to move freely c. a material that has a low resistance and prevents charges from moving freely d. a material that has a high resistance and allows charges to move freely