A series circuit contains a 4.60-H inductor, a 6.50-Ω resistor, and a 5.50-V battery. The current is initially zero when the circuit is connected at

t = 0.

At what time will the current reach the following?

(a) 33.3% of its final value
(b) 95.0% of its final value

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

If two students are running down the hall toward each other, trying to get to class, and they have the same mass and acceleration, what will happen when they collide? will their forces cancel out or will each one experience a reaction?