A train is moving at a constant speed of 55.0 m/s. After 5.00
seconds, how far has the train
gone?
cara
(Units = m)

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.